1997 HONDA Prelude

Honda Prelude 1997 - BUZZERS, RELAYS & TIMERS

Honda Prelude 1997 BUZZERS, RELAYS & TIMERS

Component	Component Location
A/C Compressor Clutch Relay	On left front corner of engine compartment. See Fig. 3 .
A/T Reverse Relay	Above underdash fuse/relay box, on bracket. See Fig. 4 .
ABS Fail-Safe Relay	Above underdash fuse/relay box, on bracket. See Fig. 4 .
ABS Pump Motor Relay	In underhood fuse/relay box. See Fig. 3 .
Accessory Socket Relay	Above underdash fuse/relay box, on bracket. See Fig. 4 .
ATTS Fail-Safe Relay (Type SH)	Above underdash fuse/relay box, on bracket. See Fig. 4 .
Blower Motor Relay	On front of underdash fuse/relay box. See Fig. 4 .
Condenser Fan Relay	On left front corner of engine compartment. See Fig. 3 .
Dimmer Relay	In underhood fuse/relay box. See Fig. 3 .
Fog Lamp Relay (2)	Behind driver's left air vent.
Headlamp Relay	In underhood fuse/relay box. See Fig. 3 .
Horn Relay	Above underdash fuse/relay box, on bracket. See Fig. 4 .
Lamp Flasher Relay	On lower left dash panel.
Moonroof Close Relay	On front of underdash fuse/relay box. See Fig. 4 .
Moonroof Open Relay	On front of underdash fuse/relay box. See Fig. 4 .
PGM-FI Main Relay	Behind dash, left of steering column. See Fig. 4 .
Power Window Relay	On front of underdash fuse/relay box. See Fig. 4 .
Radiator Fan Relay	In underhood fuse/relay box. See Fig. 3 .
Rear Window Defogger Relay	On front of underdash fuse/relay box. See Fig. 4 .
Seat Heater Relay (Canada)	Above underdash fuse/relay box, on bracket. See Fig. 4 .
Shift Lock Relay (A/T)	Below center console, forward of gear shift lever. See Fig. 6 .
Starter Cut Relay	Behind dash, left of steering column. See Fig. 4 .
Turn Signal/Hazard Relay	On front of underdash fuse/relay box. See Fig. 4 .
Unlock Relay	On lower left dash panel.
Windshield Wiper Intermittent Relay	On left rear of engine compartment. See Fig. 3 .

Honda Prelude 1997 - CIRCUIT PROTECTION DEVICES

Honda Prelude 1997 CIRCUIT PROTECTION DEVICES

Component	Component Location
Diode, A/C	Above left side of front passenger's footrest, taped to harness.
Diode 1, 2 & 3	Behind dash, left of steering column, taped to harness.
Diode, Security (2)	Behind driver's left air vent.
Diode, Shift Lock	Above front passenger's footrest, taped to ECM breakout.
Diode, Turn Signal Lamp	Next to underdash fuse/relay box, taped to harness.
In-Line Fuse, ATTS (Type SH)	Behind underdash fuse/relay box, taped to harness.
In-Line Fuse, Fog Lamp	In front of underdash fuse/relay box, taped to harness.
In-Line Fuse, Security (3)	Behind dash, left of steering column, taped to harness.
SRS Fuse Block	On front of underdash fuse/relay box. See Fig. 4 .
Underdash Fuse/Relay Box	Behind left kick panel. See Fig. 4 .
Underhood Fuse/Relay Box	On right rear corner of engine compartment. See Fig. 3 .

Honda Prelude 1997 - CONTROL UNITS

Honda Prelude 1997 CONTROL UNITS

Component	Component Location
ABS Control Unit	Behind right kick panel. See Fig. 6 .
ABS Modulator Unit	On left side of engine compartment.
ATTS Control Unit (Type SH)	On underside of front passenger's footrest. See Fig. 6 .
Cruise Control Unit	Behind dash, right of steering column. See Fig. 4 .
Daytime Running Lamps Control Unit (Canada)	Behind dash, right of steering column. See Fig. 4 .
Engine Control Module (ECM)	On underside of front passenger's footrest. See Fig. 6 .
Immobilizer Control Unit	Behind dash, on left side of steering column. See Fig. 4 .
Multiplex Control Unit (Door)	In driver's door. See Fig. 7 .
Multiplex Control Unit (Driver's)	On rear of underdash fuse/relay box. See Fig. 4 .
Multiplex Control Unit (Passenger's)	Behind right kick panel. See Fig. 6 .
Security Control Unit	Behind dash, right of steering column.
SRS Unit	Below center of dash. See Fig. 6 .
Transmission Control Module (TCM)	On underside of front passenger's footrest. See Fig. 6 .

Honda Prelude 1997 - MOTORS

Honda Prelude 1997 MOTORS

Component	Component Location
ABS Pump Motor	On left side of engine compartment.
Blower Motor	Below right side of dash.
Control Motor, Mode	Behind dash, right of steering column.
Control Motor, Recirculation	Behind glove box.
Door Lock Assembly (2)	In rear of respective door.
Fan Motor, Condenser	Behind left side of radiator.
Fan Motor, Radiator	Behind right side of radiator.
Moonroof Motor	On rear underside of ceiling.
Window Motor (2)	In front of respective door.
Windshield Washer Motor	Behind left side of front bumper, in washer fluid reservoir.
Windshield Wiper Motor	Below left side of air scoop.

Honda Prelude 1997 - SENDING UNITS & SENSORS

Honda Prelude 1997 SENDING UNITS & SENSORS

Component	Component Location
ABS Wheel Sensor (4)	On inside of respective wheel.
Countershaft Speed Sensor	On top of transmission.
Crankshaft Position/Top Dead Center (CKP/TDC) Sensor	On lower left side of engine. See Fig. 1 .
Engine Coolant Temperature (ECT) Sensor	On right side of engine, below distributor assembly. See Fig. 1 .
Engine Coolant Temperature Sending Unit	On right side of engine, below distributor assembly.
Exhaust Gas Recirculation (EGR) Valve & Lift Sensor	On top right side of engine. See Fig. 1 .
Steering Angle Sensor (Type SH)	On steering column.
Fuel Tank Pressure Sensor (California)	On right side of firewall. See Fig. 1 .
Heated Oxygen Sensor (HO2S), Primary	On underside of vehicle, front of TWC converter. See Fig. 2 .
Heated Oxygen Sensor (HO2S), Secondary	On underside of vehicle, rear of TWC converter. See Fig. 2 .
Intake Air Temperature (IAT) Sensor	On top left rear of engine. See Fig. 1 .
Knock Sensor (KS)	On rear of engine, above oil filter. See Fig. 1 .
Lateral Acceleration (Lg) Sensor (Type SH)	On left side of front passenger's footwell.
Mainshaft Speed Sensor	On lower front of transmission.
Manifold Absolute Pressure (MAP) Sensor	On top of throttle body assembly. See Fig. 1 .
Oil Pressure Sensor, Left (Type SH)	On transmission.
Oil Pressure Sensor, Right (Type SH)	On transmission.
Oil Temperature Sensor (Type SH)	On transmission.
Throttle Position (TP) Sensor	On rear side of throttle body assembly. See Fig. 1 .
Vehicle Speed Sensor (VSS)	On top of transmission. See Fig. 1 .
Yaw Rate Sensor (Type SH)	On left side of trunk.

Honda Prelude 1997 - SOLENOIDS & SOLENOID VALVES

Honda Prelude 1997 SOLENOIDS & SOLENOID VALVES

Component	Component Location
A/T Clutch Pressure Control Solenoid Valve, A & B	On lower front of transmission.
Cruise Control Actuator	On right rear of engine compartment.
Evaporative Emission (EVAP) Bypass Solenoid Valve (California)	On right side of firewall. See Fig. 1 .
Evaporative Emission (EVAP) Control Canister Vent Shut Valve (California)	On right side of firewall. See Fig. 1 .
Evaporative Emission (EVAP) Purge Control Solenoid Valve	On right side of firewall. See Fig. 1 .
Exhaust Gas Recirculation (EGR) Control Solenoid Valve	On left side of engine compartment. See Fig. 1 .
Idle Air Control (IAC) Valve	On top center rear of engine. See Fig. 1 .
Intake Air Bypass (IAB) Control Solenoid Valve	On lower left rear of engine. See Fig. 1 .
Intake Control Solenoid Valve	On right side of engine compartment. See Fig. 1 .
Solenoid, Left (Type SH)	On transmission.
Solenoid, Linear (Type SH)	On transmission.
Solenoid, Lock-Up Control	On top front of transmission.
Solenoid, Right (Type SH)	On transmission.
Solenoid, Shift Control	(3) On lower front of transmission.
Solenoid, Shift Lock	Below right side of gear selector.
VTEC Solenoid Valve	On top right side of engine, next to coolant inlet.

Honda Prelude 1997 - SWITCHES

Honda Prelude 1997 SWITCHES

Component	Component Location
2nd Clutch Pressure Switch	On top rear of transmission.
A/C Pressure Switch	On lower right front side of radiator.
A/T Gear Position Switch	On lower right side of transmission.
Back-Up Lamp Switch	On top front of transmission.
Brake Fluid Level Switch	In brake fluid reservoir.
Brake Switch	Behind dash, on top of brake pedal support.
Clutch Interlock Switch	Behind dash, on top of clutch pedal support.
Clutch Switch	Behind dash, on top of clutch pedal support.
Disarm/Valet Switch	On lower left dash panel.
Door Switch (2)	In respective door pillar.
Driver's Seat Belt Switch	In driver's seat belt buckle.
Engine Oil Pressure Switch	On rear of engine, below oil filter.
Evaporative Emission (EVAP) Purge Flow Switch (49 States & Canada)	On right side of firewall. See Fig. 1 .
Hood Switch	On front of engine compartment, next to hood latch.
Parking Brake Switch	At base of park brake lever.
Parking Pin Switch	On left side of base of shift lever.
Power Steering Pressure (PSP) Switch	On lower left rear of engine compartment. See Fig. 1 .
Radiator Fan Switch	On right side of engine, on coolant inlet.
Trunk Latch Switch	On center of trunk lid, at latch assembly.
VTEC Pressure Switch	On top right side of engine, next to coolant inlet.

Honda Prelude 1997 - MISCELLANEOUS

Honda Prelude 1997 MISCELLANEOUS

Component	Component Location
A/C Compressor Clutch	On lower left front of engine.
A/C Thermostat	Behind left side of glove box.
Accessory Socket	On center of dash, below radio.
Alternator	On left side of engine.
Blower Motor Resistors	Behind glove box.
Cable Reel	On top of steering column, below steering wheel.
Data Link Connector (DLC)	On left side of front passenger's footwell. See Fig. 5 .
Dash Lamps Brightness Controller	In dash, right of steering column. See Fig. 4 .
Distributor Assembly	On right side of engine. See Fig. 1 .
Electrical Load Detector (ELD) Unit	In underhood fuse/relay box. See Fig. 1 .
Fuel Injector (4)	On top of engine, at each cylinder intake port.
Fuel Pump	On top of fuel tank.
Fuel Tank Unit	On top of fuel tank.
Ignition Coil	On right side of engine.
Junction Connector C112	Behind dash, left of steering column.
Junction Connector C117	At underside of engine, right of oil filter.
Junction Connector C306	Behind left kick panel, taped to harness.
Junction Connector C406	Behind left side of dash, taped to harness.
Junction Connector C456	Behind right kick panel, taped to harness.
Junction Connector C479	Left of front passenger's footwell area, taped to harness.
Junction Connector C559	On rear left side of dashboard, taped to harness.
Multiplex Control Unit Inspection Connector	Behind dash, left of steering column.
Rear Window Defogger Coil	On underside of rear shelf.
Service Check Connector	On left side of front passenger's footwell. See Fig. 5 .
Siren	Behind left side of front bumper.
SRS Memory Erase Signal (MES) Connector	Behind dash, left of steering column.
Starter	On right side of engine.
Steering Lock	On top of steering column, below steering wheel.
Stereo Amplifier	On underside of rear shelf.
Test Tachometer Connector	On right side of engine compartment.
Thermal Protector	On A/C compressor.
Trailer Lighting Connector	On left rear of trunk, taped to harness.

Honda Prelude 1997 - CONNECTORS

Honda Prelude 1997 CONNECTORS

Component	Component Location
C119 (Gray, 10-Pin)	Above transaxle.
C140 (Gray, 10-Pin)	At right side of engine compartment.
C141 (Gray, 14-Pin)	At right side of engine compartment.
C142 (Blue, 14-Pin)	At right side of engine compartment.
C143 (A/T) (Gray, 14-Pin)	At right side of engine compartment.
C143 (M/T) (Gray, 8-Pin)	At right side of engine compartment.
C144 (Blue, 14-Pin)	At right side of engine compartment.
C146 (Gray, 8-Pin)	At underside of engine, left of transaxle.
C201 (Green, 12-Pin)	Behind right side of dash.
C301 (Gray, 14-Pin)	Behind right kick panel.
C302 (Gray, 14-Pin)	Behind left kick panel.
C303 (Brown, 7-Pin)	Behind left kick panel.
C314 (Orange, 10-Pin)	At left side of engine compartment.
C402 (Gray, 16-Pin)	Behind upper left side of dash.
C403 (Gray, 20-Pin)	Behind upper left side of dash.
C410 (Gray, 6-Pin)	Behind dash, left of steering column, on bracket.
C412 (Gray, 10-Pin)	Behind dash, left of steering column, on bracket.
C430 (Green/Gray, 25-Pin)	In driver's door jam.
C453 (Except SH) (M/T) (Gray, 6-Pin)	In driver's door jam.
C453 (SH) (A/T) (Gray, 22-Pin)	Above left side of front passenger's footrest.
C454 (Gray, 20-Pin)	Above left side of front passenger's footrest.
C461 (Except SH & Canada) (Gray, 8-Pin)	Above left side of front passenger's footrest.
C461 (SH & Canada) (Gray, 12-Pin)	Behind right kick panel.
C462 (Gray, 22-Pin)	Behind right kick panel.
C463 (Gray, 6-Pin)	Behind right side of dash.
C464 (Green/Gray, 25-Pin)	In passenger's door jam.
C482 (Except SH) (Gray, 10-Pin)	Below center of dash.
C483 (Green, 12-Pin)	Below center of dash.
C486 (Gray, 8-Pin)	Below console.
C517 (Gray, 10-Pin)	At right side of trunk.
C569 (Gray, 8-Pin)	Below center of dash.
C604 (Gray, 6-Pin)	On inside of right taillight assembly.
C607 (Gray, 6-Pin)	On inside of left taillight assembly.
C654 (Gray, 6-Pin)	In driver's door.
C657 (Gray, 6-Pin)	In driver's door.
C687 (Gray, 6-Pin)	In passenger's door.

Honda Prelude 1997 - GROUNDS

Honda Prelude 1997 GROUNDS

Component	Component Location
G1	At right front side of engine compartment. See Fig. 1 .
G2	At left side of engine compartment. See Fig. 1 .
G3	Behind center of front bumper. See Fig. 1 .
G101	At top rear side of engine. See Fig. 1 .
G201	At right front corner of engine compartment. See Fig. 1 .
G301	At left front corner of engine compartment. See Fig. 3 .
G302	At left front corner of engine compartment. See Fig. 3 .
G401	Behind left kick panel. See Fig. 6 .
G402	Behind right kick panel. See Fig. 6 .
G403	Behind right kick panel. See Fig. 6 .
G404	Behind right kick panel. See Fig. 6 .
G471	At left side of front passenger's footwell. See Fig. 6 .
G501	Under front passenger's seat.
G551	At right side of driver's footwell. See Fig. 4 .
G601	At right rear side of trunk. See Fig. 7 .
G801	At right side of driver's footwell. See Fig. 4 .
G901	Behind right side of dash.