Buick Terraza CXL 2006 - 2006 GENERAL MOTORS Montana SV6, Relay, Terraza & Uplander

Buick Terraza CXL 2006 - BUZZERS, RELAYS & TIMERS

Buick Terraza CXL 2006 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
A/C Clutch Relay	In engine compartment fuse box. See Fig. 27 .
CHMSL Resistor	In liftgate harness, 25 cm (10 in) from CHMSL. See Fig. 31 .
Heated Seat Relay - Driver	Under driver seat.
Heated Seat Relay - Passenger	Under passenger seat.
Rear Window Washer Fluid Pump Relay	Right rear of underhood compartment. See Fig. 36 .
Sit-N-Lift(R) Seat/Brake Transmission Shift Interlock Relay	In Sit-N-Lift(R) seat base.
Sit-N-Lift(R) Seat Diode 1	In Sit-N-Lift(R) seat base harness.
Sit-N-Lift(R) Seat Diode 2	In Sit-N-Lift(R) seat base harness.
Sit-N-Lift(R) Seat Diode 3	In Sit-N-Lift(R) seat base harness.
Sit-N-Lift(R) Seat/Door Jamb Switch Relay	In Sit-N-Lift(R) seat base.
Sit-N-Lift(R) Seat/Ignition Relay	In Sit-N-Lift(R) seat base.

Buick Terraza CXL 2006 - CIRCUIT PROTECTION DEVICES

Buick Terraza CXL 2006 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Blower Motor Resistor Assembly	Below right side of dash, in front HVAC module.
Diode 3	In engine compartment fuse box. See Fig. 27 .
Fuse Block - I/P	Right side of dash, behind access panel. See Fig. 39 .
Fuse Block - Underhood	In underhood compartment, above right front wheel well. See Fig. 24 .
Theft Light Emitted Diode (LED)	Center of dash, near windshield defrost vent, left of ambient light sensor.

Buick Terraza CXL 2006 - CONTROL UNITS

Buick Terraza CXL 2006 CONTROL UNITS LOCATION

Component	Location
Accessory AC/DC Power Control Module	Behind right rear interior body panel. See Fig. 10 .
Blower Motor Control Module - Auxiliary	In rear HVAC module, behind left rear interior body panel. See Fig. 9 .
Body Control Module (BCM)	Below left side of dash, left of steering column. See Fig. 3 .
Digital Radio Receiver	Behind left side of dash. See Fig. 11 .
Electronic Brake Control Module (EBCM)	Lower left side of engine compartment, on left strut tower. See Fig. 1 .
HVAC Control Module	In dash center trim panel, beneath radio. See Fig. 12 .
Ignition Control Module (ICM) (3.5L)	On top rear of engine. See Fig. 19 .
Ignition Control Module (ICM) (3.9L)	Top of valve cover. See Fig. 57 .
Inflatable Restraint Front Passenger Presence System (PPS) Module	Under passenger seat
Inflatable Restraint I/P Module	Above dash compartment.
Inflatable Restraint Sensing And Diagnostic Module (SDM)	On floor below passenger seat. See Fig. 41 .
Inflatable Restraint Side Impact Module - Left	In left front seat back. See Fig. 32 .
Inflatable Restraint Side Impact Module - Right	In right front seat back. See Fig. 33 .
Inflatable Restraint Side Impact Sensing Module (SISM) - Left	In left "B" pillar. See Fig. 40 .
Inflatable Restraint Side Impact Sensing Module (SISM) - Right	In right "B" pillar.
Inflatable Restraint Steering Wheel Module	In center hub of steering wheel.
Inflatable Restraint Steering Wheel Module Coil	In steering column.
Left Sliding Door Module (LSDM)	Behind left rear interior body panel. See Fig. 50 .
Memory Seat Module - Driver (AG0)	Under driver seat. See Fig. 32 .
Powertrain Control Module (PCM)	Left side of engine compartment, in air cleaner assembly. See Fig. 18 .
Rear Object Sensor Control Module	Behind right rear interior body panel. See Fig. 25 .
Remote Control Door Lock Receiver (RCDLR)	Behind top left side of dash. See Fig. 55 .
Right Sliding Door Module (RSDM)	Behind right rear interior body panel. See Fig. 51 .
Sit-N-Lift(R) Seat Module	In Sit-N-Lift(R) seat base.
Theft Deterrent Exciter Module	In steering column surrounding lock cylinder. See Fig. 4 .
Throttle Actuator Control (TAC) Module (3.5L)	Left side of intake. See Fig. 17 .
Throttle Actuator Control (TAC) Module (3.9L)	Rear of engine, on throttle body assembly. See Fig. 59 .
Torque Converter Clutch (TCC) Release Switch	Inside automatic transmission.
Vehicle Communication Unit (VCU)	Behind upper left side of dash, to left of steering column. See Fig. 12 .

Buick Terraza CXL 2006 - MOTORS

Buick Terraza CXL 2006 MOTORS LOCATION

Component	Location
Air Temperature Actuator	Behind center of dash. See Fig. 12 .
Air Temperature Actuator - Auxiliary	Behind left rear interior body panel. See Fig. 9 .
Air Temperature Actuator - Left	Behind center of dash. See Fig. 12 .
Automatic Level Control (ALC) Compressor (AWD)	On left rear frame. See Fig. 6 .
Automatic Level Control (ALC) Compressor (FWD)	On left rear frame.
Blower Motor	Below right side of dash, in front HVAC module. See Fig. 28 .
Blower Motor - Auxiliary	Behind left rear interior body panel. See Fig. 9 .
Cooling Fan - Left	Behind left side of radiator. See Fig. 23 .
Cooling Fan - Right	Behind right side of radiator. See Fig. 23 .
Defrost Actuator	Behind center of dash, on left side of front HVAC module. See Fig. 12 .
Door Lock Actuator - Left Middle	In left sliding door. See Fig. 50 .
Door Lock Actuator - Liftgate	In liftgate. See Fig. 26 .
Door Lock Actuator - Right Middle	In right sliding door. See Fig. 51 .
Fuel Pump & Sender Assembly	In top of fuel tank.
Mode Actuator - Auxiliary (C69)	In rear HVAC module, behind left rear interior body panel. See Fig. 9 .
Rear Quarter Window Actuator - Left	Behind left rear interior body panel. See Fig. 9 .
Rear Quarter Window Actuator - Right	Behind right rear interior body panel. See Fig. 10 .
Rear Window Washer Fluid Pump	Attached to washer fluid reservoir in underhood compartment, rear of windshield washer fluid pump. See Fig. 29 .
Rear Window Wiper Motor	Inside liftgate. See Fig. 26 .
Recirculation Actuator	Above blower motor, on right side of front HVAC module. See Fig. 28 .
Seat Adjuster Motor Assembly - Driver	Under driver seat. See Fig. 32 .
Seat Adjuster Motor Assembly - Passenger	Under passenger seat. See Fig. 33 .
Seat Recline Motor - Driver	In driver seat back.
Seat Recline Motor - Passenger	In passenger seat back.
Sit-N-Lift(R) Seat Lift Motor	In Sit-N-Lift(R) seat base.
Sliding Door Motor - Left	Behind left rear interior body panel. See Fig. 50 .
Sliding Door Motor - Right	Behind right rear interior body panel. See Fig. 51 .
Sliding Door Unlatch Actuator - Left	Inside left sliding door. See Fig. 50 .
Sliding Door Unlatch Actuator - Right	Inside right sliding door. See Fig. 51 .
Starter Motor (3.5L)	On lower front of engine, near transmission. See Fig. 20 .
Starter Motor (3.9L)	Left rear of engine block. See Fig. 59 .
Swivel Motor	In Sit-N-Lift(R) seat base.
Vent And Floor Actuator	Behind center of dash, on left side of front HVAC module. See Fig. 12 .
Window Motor - Driver	Inside left front door. See Fig. 15 .
Window Motor - Passenger	Inside right front door. See Fig. 16 .
Window Switch - Driver	Mounted on left front door trim.
Window Switch - Passenger	Mounted on right front door trim.
Windshield Washer Fluid Pump	Attached to washer fluid reservoir in underhood compartment, forward of rear window washer fluid pump. See Fig. 29 .
Windshield Wiper Motor	In underhood compartment, mounted on cowl. See Fig. 29 .

Buick Terraza CXL 2006 - SENDING UNITS & SENSORS

Buick Terraza CXL 2006 SENDING UNITS & SENSORS LOCATION

Component	Location
Accelerator Pedal Position (APP) Sensor	On accelerator bracket. See Fig. 3 .
A/C Refrigerant Pressure Sensor	On high pressure hose, near high pressure hose connection to A/C compressor. See Fig. 27 .
Ambient Air Temperature Sensor	At left radiator support, behind front bumper fascia. See Fig. 23 .
Ambient Light Sensor	In center of dash upper trim panel. See Fig. 2 .
Automatic Level Control (ALC) Sensor (AWD)	Right of left rear wheel, attached to lower control arm. See Fig. 6 .
Automatic Level Control (ALC) Sensor (FWD)	Right of left rear wheel, attached to lower control arm.
Automatic Transmission Fluid Temperature (TFT) Sensor	Inside automatic transmission.
Automatic Transmission Input Shaft Speed (A/T ISS) Sensor	Inside automatic transmission. See Fig. 8 .
Battery Current Sensor	Right front of engine compartment, near battery. See Fig. 24 .
Brake Pedal Position Sensor	Above brake pedal assembly. See Fig. 3 .
Camshaft Position (CMP) Sensor (3.5L)	Right side of engine, above timing chain cover. See Fig. 17 .
Camshaft Position (CMP) Sensor (3.9L)	Top front of engine. See Fig. 59 .
Crankshaft Position (CKP) Sensor (3.5L)	On lower rear of engine, near knock sensor (KS) bank 1. See Fig. 19 .
Crankshaft Position (CKP) Sensor (3.9L)	Top front of engine. See Fig. 56 .
Engine Coolant Temperature (ECT) Sensor (3.5L)	In left side of rear cylinder head, above transmission. See Fig. 18 .
Engine Coolant Temperature (ECT) Sensor (3.9L)	Top rear of engine. See Fig. 56 .
Engine Oil Pressure (EOP) Sensor (3.9L)	Lower left side of engine block. See Fig. 59 .
Evaporator Temperature Sensor	In front HVAC module, mounted to evaporator core. See Fig. 28 .
Fuel Tank Pressure (FTP) Sensor	Top of fuel tank. See Fig. 22 .
Heated Oxygen Sensor (HO2S) 1 (3.5L)	In right bank exhaust manifold, before catalytic converter. See Fig. 21 .
Heated Oxygen Sensor (HO2S) 1 (3.9L)	In right bank exhaust manifold, before catalytic converter. See Fig. 57 .
Heated Oxygen Sensor (HO2S) 2 (3.5L)	In exhaust, after catalytic converter. See Fig. 21 .
Heated Oxygen Sensor (HO2S) 2 (3.9L)	In exhaust, after catalytic converter. See Fig. 58 .
Inflatable Restraint Front End Sensor-Left	On left radiator support. See Fig. 23 .
Inflatable Restraint Front End Sensor-Right	On right radiator support. See Fig. 23 .
Inflatable Restraint Front Passenger Presence System (PPS) Sensor	Under upholstery in passenger seat cushion.
Inflatable Restraint Front Passenger Presence System (PPS) Sensor	Under upholstery in passenger seat cushion.
Inflatable Restraint Passenger Seat Belt Tension Retractor Sensor	Part of passenger seat belt retractor. See Fig. 41 .
Knock Sensor (KS) Bank 1 (3.5L)	Right side of engine block. See Fig. 19 .
Knock Sensor (KS) Bank 2 (3.5L)	Left side of engine block. See Fig. 20 .
Knock Sensor (KS) 1 (Early Production) (3.9L)	Left side of engine block. See Fig. 59 .
Knock Sensor (KS) 1 (Late Production) (3.9L)	Right side of engine block. See Fig. 57 .
Knock Sensor (KS) 2 (Early Production) (3.9L)	Right side of engine block. See Fig. 57 .
Knock Sensor (KS) 2 (Late Production) (3.9L)	Left side of engine block. See Fig. 59 .
Manifold Absolute Pressure (MAP) Sensor (3.5L)	Top right rear of engine. See Fig. 17 .
Manifold Absolute Pressure Sensor (3.9L)	Top of intake manifold. See Fig. 57 .
Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor	In air intake. See Fig. 18 .
Object Sensor - LR Corner	Left outer edge of rear bumper fascia. See Fig. 31 .
Object Sensor - LR Middle	Left center area of rear bumper fascia. See Fig. 31 .
Object Sensor - RR Corner	Right outer edge of rear bumper fascia. See Fig. 54 .
Object Sensor - RR Middle	Right center area of rear bumper fascia. See Fig. 31 .
Steering Wheel Speed Position Sensor	Near bottom of steering column. See Fig. 4 .
Throttle Actuator Control (TAC) Module	On throttle body. See Fig. 43 .
Transmission Fluid Temperature (TFT) Sensor	Bottom of automatic transmission. See Fig. 8 .
Vehicle Speed Sensor (VSS)	Lower right rear of underhood compartment, mounted to right side of transmission. See Fig. 8 .
Wheel Speed Sensor (WSS) (AWD)- LR	Attached to left rear hub. See Fig. 6 .
Wheel Speed Sensor (WSS) (FWD)- LR	Attached to left rear wheel hub.
Wheel Speed Sensor (WSS) - LF	Attached to left front wheel hub.
Wheel Speed Sensor (WSS) - RF	Attached to right front wheel hub.
Wheel Speed Sensor (WSS) - RR	Attached to right rear wheel hub.
Yaw Rate And Lateral Acceleration Sensor	At left front corner of right front floor. See Fig. 5 .

Buick Terraza CXL 2006 - SOLENOIDS & SOLENOID VALVES

Buick Terraza CXL 2006 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
A/C Compressor Clutch Solenoid	Part of A/C compressor, behind A/C compressor pulley. See Fig. 27 .
A/T Shift Lock Control Solenoid Connector	On right middle underside of steering column. See Fig. 4 .
Automatic Level Control (ALC) Solenoid Valve	Behind left rear interior body panel. See Fig. 7 .
Camshaft Position (CMP) Actuator Solenoid	Right middle of engine, above crankshaft pulley on timing chain cover.
Camshaft Position (CMP) Actuator Solenoid	Front of engine. See Fig. 59 .
Differential Clutch Pump Actuator Check Valve	Mounted in lower front of rear differential. See Fig. 6 .
Door Lock Actuator-Liftgate	In liftgate. See Fig. 35 .
Evaporative Emission (EVAP) Canister Purge Solenoid Valve (3.5L)	On left side of engine, rear of throttle body. See Fig. 18 .
Evaporative Emission (EVAP) Canister Purge Solenoid Valve (3.9L)	Top rear of intake manifold. See Fig. 59 .
Evaporative Emission (EVAP) Canister Vent Solenoid Valve	Under vehicle, above fuel tank. See Fig. 22 .
Exhaust Gas Recirculation (EGR) Valve	On left top rear of engine. See Fig. 18 .
Fuel Injector 1 (3.5L)	On top right rear of engine, at #1 cylinder. See Fig. 17 .
Fuel Injector 1 (3.9L)	On top of engine, at #1 cylinder. See Fig. 56 .
Fuel Injector 2 (3.5L)	On top right front of engine, at #2 cylinder. See Fig. 17 .
Fuel Injector 2 (3.9L)	On top of engine, at #2 cylinder. See Fig. 56 .
Fuel Injector 3 (3.5L)	On top middle rear of engine, at #3 cylinder. See Fig. 17 .
Fuel Injector 3 (3.9L)	On top of engine, at #3 cylinder. See Fig. 56 .
Fuel Injector 4 (3.5L)	On top middle front of engine, at #4 cylinder. See Fig. 17 .
Fuel Injector 4 (3.9L)	On top of engine, at #4 cylinder. See Fig. 56 .
Fuel Injector 5 (3.5L)	On top left rear of engine, at #5 cylinder. See Fig. 17 .
Fuel Injector 5 (3.9L)	On top of engine, at #5 cylinder. See Fig. 56 .
Fuel Injector 6 (3.5L)	On top left front of engine, at #6 cylinder. See Fig. 17 .
Fuel Injector 6 (3.9L)	On top of engine, at #6 cylinder. See Fig. 56 .
Fuel Pump and Sender Assembly	Mounted on top of fuel tank.
Fuel Tank Pressure (FTP) Sensor	Mounted on top of fuel tank.
Heated Oxygen Sensor (HO2S) 1	Rear of engine, in exhaust manifold.
Heated Oxygen Sensor (HO2S) 2	In exhaust system, behind catalytic converter.
Inflatable Restraint Front End Sensor - Left	Left side of underhood compartment on upper front of radiator support.
Inflatable Restraint Front End Sensor - Right	Right side of underhood compartment on upper front of radiator support.
Intake Manifold Tuning (IMT) Solenoid Valve	Front of intake manifold. See Fig. 59 .
Knock Sensor (KS) Bank 1	On rear center of engine.
Knock Sensor (KS) Bank 2	On front center of engine, near starter.
Manifold Absolute Pressure (MAP) Sensor	On top rear of engine, in upper intake manifold.
Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor	Left side of underhood compartment, between air cleaner and throttle body.
Pressure Control Solenoid Valve	Inside automatic transmission. See Fig. 8 .
Secondary Air Injection (AIR) Solenoid	Left rear of engine. See Fig. 18 .
Starter Motor Solenoid	On starter motor. See Fig. 20 .
Starter Solenoid	Left rear of engine block. See Fig. 59 .
Torque Converter Clutch (TCC) Pulse Width Modulation (TCC PWM) Solenoid Valve	Inside automatic transmission. See Fig. 8 .
1-2 Shift Solenoid (1-2 SS) Valve	Inside automatic transmission. See Fig. 8 .
2-3 Shift Solenoid (2-3 SS) Valve	Inside automatic transmission. See Fig. 8 .

Buick Terraza CXL 2006 - SWITCHES

Buick Terraza CXL 2006 SWITCHES LOCATION

Component	Location
Automatic Level Control (ALC) Inflator Air Switch	In left rear interior body panel. See Fig. 7 .
Brake Fluid Level Switch	At left rear of engine compartment, in master cylinder fluid reservoir. See Fig. 37 .
Door Contact Plate - Left C1	In lower rear of left "B" pillar. See Fig. 40 .
Door Contact Plate - Left C2	In lower front of left sliding door. See Fig. 50 .
Door Contact Plate - Right C1	In lower rear of right "B" pillar. See Fig. 41 .
Door Contact Plate - Right C2	In lower front of right sliding door. See Fig. 51 .
Door Jamb Switch - Liftgate	In bottom middle of liftgate. See Fig. 26 .
Door Lock Switch - Driver	Mounted on left front door trim.
Door Lock Switch - Passenger	Mounted on right front door trim. See Fig. 16 .
Driver Door Key Switch	In rear center of left front door. See Fig. 15 .
Engine Oil Level Switch (3.9L)	Base of oil pan. See Fig. 57 .
Engine Oil Pressure (EOP) Switch	Front center of engine block, above starter. See Fig. 20 .
Heated Seat Element-Passenger Cushion	In passenger's seat element. See Fig. 33 .
Hood Ajar Switch	Upper center of radiator support, on hood latch. See Fig. 23 .
Ignition Switch	On top lower steering column under cover. See Fig. 4 .
Internal Mode Switch (IMS)	Inside automatic transmission.
Lever Assembly-Manual Shaft Detent W/Shift Position Switch-Internal Mode Switch (IMS)	Top of transmission assembly. See Fig. 8 .
Lift Lower Limit Switch	In Sit-N-Lift(R) seat base.
Lift Upper Limit Switch	In Sit-N-Lift(R) seat base.
Park Brake Switch	On park brake assembly. See Fig. 3 .
Seat Belt Switch - Left	In driver seat belt buckle assembly. See Fig. 32 .
Seat Belt Switch - Right	In passenger seat belt buckle assembly. See Fig. 33 .
Sliding Door Detent Switch - Left	Inside left sliding door. See Fig. 50 .
Sliding Door Detent Switch - Right	Inside right sliding door. See Fig. 51 .
Sliding Door Jamb Switch - Left	On lower left "C" pillar. See Fig. 9 .
Sliding Door Jamb Switch - Right	On lower right "C" pillar. See Fig. 10 .
Sliding Door Open/Close Switch - Left	On left "B" pillar. See Fig. 40 .
Sliding Door Open/Close Switch - Right	On right "B" pillar. See Fig. 53 .
Swivel Inside Limit Switch	In Sit-N-Lift(R) seat base.
Swivel Outside Limit Switch	In Sit-N-Lift(R) seat base.
Transmission Fluid Pressure (TFP) Manual Valve Position Switch Assembly	In transmission valve body. See Fig. 8 .
Turn Signal/Multifunction Switch	On left side of upper steering column. See Fig. 34 .

Buick Terraza CXL 2006 - MISCELLANEOUS

Buick Terraza CXL 2006 MISCELLANEOUS LOCATION

Component	Location
Audio Coupling Transformer (UMS)	In rear headliner console, part of PhatNoise Harness.
Battery	Right front of engine compartment. See Fig. 36 .
Block Heater	Right side of engine block. See Fig. 57 .
Cellular Microphone	In headliner console.
Cellular & Navigation Antenna	Mounted on left front roof panel. See Fig. 11 .
Data Link Connector (DLC)	Below left side of dash, to left of steering column. See Fig. 13 .
Digital Radio Antenna Connectors	Upper right side of roof, above headliner. See Fig. 11 .
Generator	At upper right rear of engine. See Fig. 24 .
Heated Seat Element - Driver Back	Behind upholstery in seat back. See Fig. 32 .
Heated Seat Element - Driver Cushion	Under upholstery in seat cushion. See Fig. 32 .
Heated Seat Element - Passenger Back	Behind upholstery in seat back. See Fig. 33 .
Heated Seat Element - Passenger Cushion	Under upholstery in seat cushion.
Horn - Left	Left front of vehicle, below left headlamp housing. See Fig. 23 .
Horn - Right	Right front of vehicle, below right headlamp housing. See Fig. 23 .
Radio Antenna	On right fender. See Fig. 11 .
Rear Parking Assist (RPA) Diagnostic Connector	Behind right rear interior body panel. See Fig. 25 .
Remote Control Door Lock Receiver (RCDLR)	Below left side of dash to right of steering column.
Seat Belt Pretensioner - LF	In driver seat belt retractor assembly. See Fig. 40 .
Seat Belt Pretensioner - RF	In passenger seat belt retractor assembly. See Fig. 41 .
Vehicle Communication Unit (VCU) Antenna Connectors	Behind upper left side of dash, to left of steering column. See Fig. 11 .

Buick Terraza CXL 2006 - CONNECTORS

Buick Terraza CXL 2006 CONNECTORS LOCATION

Component	Location
C101 (Black, 16 Pin)	Left front of engine compartment, near middle of strut tower. See Fig. 42 .
C102 (Black, 16 Pin)	Right front of engine above water pump. See Fig. 17 .
C103 (Black, 4 Pin)	Behind left headlamp. See Fig. 38 .
C104 (Black, 4 Pin)	Behind right headlamp. See Fig. 38 .
C108 (Black, 1 Pin)	Right side of engine compartment, rear of battery. See Fig. 36 .
C110 (Gray, 4 Pin)	Top center of fan shroud. See Fig. 38 .
C120(Black, 4 Pin)	Right side of engine compartment, below engine fuse block. See Fig. 38 .
C126 (Black, 2 Pin)	Left side of engine compartment, below air cleaner. See Fig. 38 .
C175 (20 Pin)	On left side of automatic transmission. See Fig. 42 .
C200 (Black, 40 Pin)	Under right side dash lower hush panel. See Fig. 45 .
C201 (Black, 40 Pin)	Below left side of dash, left of steering column. See Fig. 4 .
C203 (Black, 30 Pin)	Under left side dash, near lower hush panel. See Fig. 44 .
C204 (Blue/Gray, 40 Pin)	In lower right "B" pillar. See Fig. 45 .
C205 (2 Pin)	Near right air temperature actuator. See Fig. 28 .
C206 (Black, 2 Pin)	In lower right "B" pillar.
C217 (Blue/Gray, 2 Pin)	Near body control module (BCM).
C219 (Blue/Gray, 2 Pin)	Near body control module (BCM).
C254 (Yellow, 4 Pin)	Under right side dash lower hush panel.
C301 (Black, 40 Pin)	Driver door harness to body harness, in left "B" pillar. See Fig. 15 .
C302 (Black, 40 Pin)	In right "B" pillar. See Fig. 16 .
C305 (Gray, 16 Pin)	On floor near left In right "B" pillar. See Fig. 6 .
C306 (AWD) (Black, 2 Pin)	On underbody, toward rear muffler. See Fig. 6 .
C306 (FWD) (Black, 2 Pin)	On underbody, toward rear of muffler.
C308 (Black, 23 Pin)	In middle of right "B" pillar. See Fig. 53 .
C309 (AWD) (Black, 2 Pin)	On underbody, forward of spare tire. See Fig. 6 .
C309 (FWD) (Black, 2 Pin)	On underbody, forward of spare tire.
C313 (Black, 12 Pin)	Under driver seat. See Fig. 47 .
C314 (Gray, 18 Pin)	Under passenger seat. See Fig. 47 .
C317 (Black, 6 Pin)	Under driver seat.
C318 (Black, 6 Pin)	Under passenger seat.
C360 (Gray, 18 Pin)	Under passenger seat.
C380 (3 Pin)	In lower right "C" pillar.
C382 (Gray, 6 Pin)	Under Sit-N-Lift(R) seat.
C384 (Black, 2 Pin)	Under Sit-N-Lift(R) seat.
C400 (Black, 6 Pin)	Right rear of roof above headliner. See Fig. 10 .
C402 (6 Pin)	Right rear of roof above headliner. See Fig. 10 .
C405 (Black, 4 Pin)	Behind left rear interior body panel. See Fig. 48 .
C409 (Black, 6 Pin)	Under vehicle behind left rear tire.
C420 (Black, 4 Pin)	Above right rear corner of headliner. See Fig. 10 .
C426 (Black, 1 Pin)	Behind right rear interior body panel. See Fig. 48 .
C440 (Black, 6 Pin)	On underbody, behind right rear wheel. See Fig. 48 .
C479 (Black, 6 Pin)	Outside vehicle behind left tail lamp housing. See Fig. 48 .
C480 (Black, 6 Pin)	Outside vehicle behind right tail lamp housing. See Fig. 48 .

Buick Terraza CXL 2006 - GROUNDS

Buick Terraza CXL 2006 GROUNDS LOCATION

Component	Location
G100	Right side of engine compartment on upper front of radiator support. See Fig. 38 .
G101	Left side of engine compartment on upper front of radiator support. See Fig. 38 .
G102	Right side of engine compartment on frame rail, right of engine fuse block. See Fig. 24 .
G113	At engine to transmission stud above G115. See Fig. 24 .
G115	At engine to transmission stud nearest starter, below G113. See Fig. 24 .
G200	On right side of dash support beam, above dash compartment. See Fig. 28 .
G201	On left side of dash support beam, above BCM. See Fig. 3 .
G301	On lower left "B" pillar. See Fig. 40 .
G302	On lower right "B" pillar. See Fig. 53 .
G400	On lower right "D" pillar. See Fig. 10 .
G401	On lower left "D" pillar. See Fig. 9 .
Steering Wheel Ground	Behind air bag. See Fig. 13 .

Buick Terraza CXL 2006 - SPLICES

Buick Terraza CXL 2006 SPLICES LOCATION

Component	Location
Splice Pack SP205	On dash harness near headlamp switch connector, behind left dash access panel. See Fig. 44 .
Splice Pack SP370	In mobility seat base harness.
Splice Pack SP372	In mobility seat base harness.
S100	In right headlamp harness, 8 cm from C104. See Fig. 38 .
S101	In left headlamp harness, 8 cm from C103. See Fig. 38 .
S102	In forward lamp harness, 6.5 cm from breakout for G100, toward C110. See Fig. 38 .
S103	In forward lamp harness, 5 cm from breakout for C103, toward left horn. See Fig. 38 .
S104	In forward lamp harness, 13 cm from breakout for G100, toward C110. See Fig. 38 .
S106	In forward lamp harness, 10 cm from breakout for C104 toward C110. See Fig. 38 .
S135	In engine harness, 5 cm from breakout for starter motor. See Fig. 42 .
S140	In fuel injector harness, 4 cm from breakout for fuel injector 2 toward fuel injector 3. See Fig. 17 .
S142 (3.5L)	In fuel injector harness, 3 cm from breakout for MAP sensor toward fuel injector 3. See Fig. 17 .
S142 (3.9L)	In fuel injector harness, 5 cm (2 in) from breakout to fuel injectors 5 and 6. See Fig. 56 .
S155	In engine harness, 10 cm from breakout for MAF/IAT sensor toward PCM. See Fig. 42 .
S171	In transmission harness, 9.5cm from C175.
S175	In engine harness, 59 cm from engine fuse block. See Fig. 42 .
S200	In dash harness, 6.5 cm from breakout for C204 toward G200. See Fig. 46 .
S202	In dash harness, 10.5 cm from breakout for C204 toward G200. See Fig. 46 .
S204	In dash harness, 10 cm from breakout for C204 toward dash fuse block. See Fig. 46 .
S206	In dash harness, right front passenger compartment, 10 cm from pass through to engine compartment. See Fig. 46 .
S246	In dash harness, 12.5 cm from breakout for recirculation actuator toward left side of dash. See Fig. 46 .
S253	In dash harness, main bundle, 9 cm from breakout for vent and floor actuator toward right side of dash. See Fig. 46 .
S255	In dash harness, main bundle, 9 cm from breakout for APP sensor toward left side of dash. See Fig. 46 .
S257	In dash harness, 8.5 cm from breakout for IPC toward right side of dash. See Fig. 46 .
S259	In dash harness, main bundle, 5 cm from breakout for defrost actuator toward right side of dash. See Fig. 46 .
S271	In dash harness behind radio, 20 cm from main bundle toward right side of dash. See Fig. 46 .
S273	In dash harness, 15 cm from breakout for C203 toward right side of dash. See Fig. 46 .
S277	In steering column harness, 20 cm from C201. See Fig. 4 .
S279	In steering column harness, 20 cm from C201. See Fig. 4 .
S293	In steering wheel harness, 8 cm from right steering wheel control switch assembly. See Fig. 14 .
S295	In steering wheel harness, 10 cm from left steering wheel control switch assembly. See Fig. 13 .
S297	In steering wheel harness, 15 cm from right steering wheel control switch assembly. See Fig. 14 .
S300	In body harness, 20 cm from breakout for passenger seat belt retractor toward C204. See Fig. 49 .
S302	In body harness, 16 cm from breakout for SDM toward rear of vehicle. See Fig. 49 .
S304	In body harness, 5 cm from breakout for passenger seat belt retractor toward rear of vehicle. See Fig. 49 .
S306	In body harness, 21 cm from C200. See Fig. 47 .
S311	In body harness, 5.5 cm from breakout for C313 toward rear of vehicle. See Fig. 49 .
S313	In body harness, 10 cm from breakout for C313 toward rear of vehicle. See Fig. 49 .
S315	In body harness, 18.5 cm from breakout for C313 toward rear of vehicle. See Fig. 49 .
S317	In body harness, 23.5 cm from breakout for C313 toward rear of vehicle. See Fig. 49 .
S331 (W/ E59)	In body harness, 6.5 cm from breakout for left side impact sensor toward left seat belt pretensioner. See Fig. 49 .
S333	In body harness, main bundle, 10 cm from breakout for branch to DVD player toward C301. See Fig. 49 .
S335	In body harness, main bundle, 5 cm from breakout for branch to DVD player toward C301. See Fig. 49 .
S339	In body harness, 109.2 cm from DVD player. See Fig. 49 .
S340	In passenger seat harness, 27cm from breakout for seat belt switch toward seat heater relay.
S340	In passenger seat harness, 6.5cm from breakout for seat belt switch toward seat heater relay.
S351	In driver seat harness, 6.5cm from breakout for seat belt switch toward seat heater relay.
S353	In driver seat harness, 4.5cm from breakout for seat adjuster toward memory seat module.
S357	In driver seat harness, 20.5cm from breakout for seat adjuster toward memory seat module.
S360	In mobility seat interface harness, 57cm from breakout for C314.
S361	In mobility seat interface harness, 52cm from breakout for C314.
S362	In mobility seat interface harness, 9cm from breakout for C206.
S364	In mobility seat interface harness, 8cm from breakout for C219.
S366	In mobility seat interface harness, 10cm from right sliding door jamb switch.
S370	In mobility seat base harness.
S371	In fuel tank harness, 30 cm from C305. See Fig. 22 .
S372	In mobility seat base harness.
S373	In mobility seat base harness.
S374	In mobility seat base harness.
S375	In mobility seat base harness.
S376	In mobility seat base harness.
S377	In mobility seat base harness.
S378	In mobility seat base harness.
S379	In mobility seat base harness.
S380	In headliner harness, 6.5 cm from breakout for C308 toward center courtesy/reading lamp. See Fig. 30 .
S382	In headliner harness, 6.5 cm from breakout for C308 toward right sunshade. See Fig. 30 .
S384	In headliner harness, 13 cm from breakout for C308 toward right sunshade. See Fig. 30 .
S386	In headliner harness, 19.5 cm from breakout for C308 toward right sunshade. See Fig. 30 .
S388	In headliner harness, 6.5 cm from breakout for right sunshade toward left sunshade. See Fig. 52 .
S400	In body harness, 10 cm from breakout for right tweeter toward rear object sensor control module. See Fig. 49 .
S402	In body harness, 5 cm from breakout for right tweeter toward rear object sensor control module. See Fig. 49 .
S404	In body harness, 6.5 cm from breakout for C480 toward right power sliding door module. See Fig. 49 .
S411	In body harness, 6 cm from breakout for left tweeter speaker toward left sliding door module. See Fig. 49 .
S413	In body harness, 6.5 cm from breakout for C479 toward left "C" pillar. See Fig. 49 .
S415	In body harness, 5 cm from breakout for C405 toward C479. See Fig. 49 .
S431	In ALC jumper harness, inside vehicle, 24cm from pass-through.
S433	In ALC jumper harness, inside vehicle, 16cm from pass-through.
S479	In left tail lamp harness, 18cm from C479.
S480	In rear parking assist harness, 18 cm from breakout for right middle object sensor toward left middle sensor. See Fig. 54 .
S482	In rear parking assist harness, 24 cm from breakout for right middle object sensor toward left middle sensor. See Fig. 54 .
S484	In right tail lamp harness, 18cm from C480.
S551	In driver door harness, 20 cm from breakout for driver window switch. See Fig. 15 .
S555	In driver door harness, 10 cm from breakout for driver window switch. See Fig. 15 .
S660	In passenger door harness, 20 cm from breakout for passenger window switch. See Fig. 16 .
S666	In passenger door harness, 10 cm from breakout for passenger window switch. See Fig. 16 .
S751	In dash harness, main bundle, 15.5 cm from breakout for vent and floor actuator toward right side of dash. See Fig. 50 .
S751	In left sliding door harness, 12cm from breakout left middle door lock actuator toward rear of door.
S848	In right sliding door harness, 12 cm from breakout right middle door lock actuator toward rear of door. See Fig. 51 .
S900	In liftgate harness, 6.5 cm from breakout for right license lamp toward rear window wiper motor. See Fig. 35 .
S911	In liftgate harness, 6.5 cm from breakout for left license lamp toward right license lamp. See Fig. 35 .
S913	In liftgate harness, 26.5 cm from CHMSL. See Fig. 35 .
S915	In liftgate harness, 20 cm from CHMSL. See Fig. 35 .