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VW PASSAT 2003 – 2.0 l/85 kW – Simos, engine code AZM . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW PASSAT 2003 - Battery - starter - alternator - voltage regulator



Wiring Diagram  VW PASSAT 2003 - Battery - starter - alternator - voltage regulator https://portal-diagnostov.com/license.html
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ABattery
BStarter
CAlternator
C1Voltage regulator
DIgnition/starter switch
J207Starter inhibitor relay
T2a2-pin connector, black
T3a3-pin connector, white, on protective housing for control units on left in engine compartment
T99-pin connector, black
T10b10-pin connector, black, on protective housing for control units on left in engine compartment
T10d10-pin connector, brown, on protective housing for control units on left in engine compartment
   1 Earth strap, battery body
   500 Screw connection 1 (30), on relay plate
   A17 Connection (61), in dash panel wiring harness
   A52 Positive connection 2 (30), in dash panel wiring harness
   D97 Connection (50), in engine compartment right wiring harness
*Only models with manual gearbox
---Only models with automatic gearbox

Wiring Diagram VW PASSAT 2003 - Simos control unit - ignition system - terminal 30 voltage supply relay



Wiring Diagram  VW PASSAT 2003 - Simos control unit - ignition system - terminal 30 voltage supply relay https://portal-diagnostov.com/license.html
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J317Terminal 30 voltage supply relay, in protective housing for control units
J361Simos control unit, in protective housing on left in engine compartment
N152Ignition transformer
PSpark plug connector
QSpark plug
S232Fuse in fuse holder
S243Fuse in fuse holder
T3a3-pin connector, white, on protective housing for control units on left in engine compartment
T4a4-pin connector, black, on output stage for ignition coils
T10e10-pin connector, orange, on protective housing for control units on left in engine compartment
T121121-pin connector, on Simos control unit
   28 Earth point, on bulkhead
   85 Earth connection 1, in engine compartment wiring harness
   A20 Connection (15a), in dash panel wiring harness
   D52 Positive connection (15a), in engine compartment wiring harness
---Only models with cruise control system (CCS)
*Not with all levels of equipment

Wiring Diagram VW PASSAT 2003 - Simos control unit - coolant temperature display sender - oil level and oil temperature sender - heater element



Wiring Diagram  VW PASSAT 2003 - Simos control unit - coolant temperature display sender - oil level and oil temperature sender - heater element https://portal-diagnostov.com/license.html
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G2Coolant temperature sender
G62Coolant temperature sender
G266Oil level and oil temperature sender
J361Simos control unit, in protective housing on left in engine compartment
N79Heater element for crankcase breather
S5Fuse in relay plate fuse holder
T10b10-pin connector, black, on protective housing for control units on left in engine compartment
T10d10-pin connector, brown, on protective housing for control units on left in engine compartment
T121121-pin connector, on Simos control unit
   28 Earth point, on bulkhead
   85 Earth connection 1, in engine compartment wiring harness
   A74 Connection (15a, fuse 5), in dash panel wiring harness
**Not with all levels of equipment
---Only models with automatic gearbox

Wiring Diagram VW PASSAT 2003 - Simos control unit - knock sensors - engine speed sender



Wiring Diagram  VW PASSAT 2003 - Simos control unit - knock sensors - engine speed sender https://portal-diagnostov.com/license.html
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G28Engine speed sender
G61Knock sensor 1
G66Knock sensor 2
J361Simos control unit, in protective housing on left in engine compartment
T3b3-pin connector, grey, on bulkhead
T3c3-pin connector, green, on bulkhead
T3e3-pin connector, black, on bulkhead
T121121-pin connector, on Simos control unit

Wiring Diagram VW PASSAT 2003 - Simos control unit - throttle valve module - brake servo pressure sensor



Wiring Diagram  VW PASSAT 2003 - Simos control unit - throttle valve module - brake servo pressure sensor https://portal-diagnostov.com/license.html
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G186Throttle valve drive (electric power control)
G187Throttle valve drive angle sender 1 (electric power control)
G188Throttle valve drive angle sender 2 (electric power control)
G294Brake servo pressure sensor
J338Throttle valve module
J361Simos control unit, in protective housing on left in engine compartment
T4v4-pin connector, black, on brake servo pressure sensor
T6a6-pin connector, black, on throttle valve control module
T10b10-pin connector, black, on protective housing for control units on left in engine compartment
T121121-pin connector, on Simos control unit
---Only models with automatic gearbox

Wiring Diagram VW PASSAT 2003 - Simos control unit - brake servo relay - vacuum pump for brakes



Wiring Diagram  VW PASSAT 2003 - Simos control unit - brake servo relay - vacuum pump for brakes https://portal-diagnostov.com/license.html
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E15Heated rear window switch
J28Air conditioning system and heater blocking diode
J255Climatronic control unit
J314Air conditioning system cut-off control unit
J361Simos control unit, in protective housing on left in engine compartment
J569Brake servo relay
S131Fuse 1
T3s3-pin connector, red, on protective housing for control units on left in engine compartment
T6h6-pin connector, black, on heated rear window switch
T1212-pin connector, black
T15s15-pin connector, red, on protective housing for control units on left in engine compartment
T16b16-pin connector, brown, on Climatronic control unit
T121121-pin connector, on Simos control unit
V192Vacuum pump for brakes
   A64 Connection (30, speed boost), in dash panel wiring harness
---Only models with automatic gearbox
*Only models with Climatronic
**Only models with air conditioning system

Wiring Diagram VW PASSAT 2003 - Simos control unit - fuel pump relay - injectors



Wiring Diagram  VW PASSAT 2003 - Simos control unit - fuel pump relay - injectors https://portal-diagnostov.com/license.html
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DIgnition/starter switch
J17Fuel pump relay
J393Convenience system central control unit
J361Simos control unit, in protective housing on left in engine compartment
N30Injector, cylinder 1
N31Injector, cylinder 2
N32Injector, cylinder 3
N33Injector, cylinder 4
S234Fuse in fuse holder
T10b10-pin connector, black, on protective housing for control units on left in engine compartment
T10e10-pin connector, orange, on protective housing for control units on left in engine compartment
T121121-pin connector, on Simos control unit
   30 Earth connection 1, next to relay plate
   81 Earth connection 1, in dash panel wiring harness
   504 Screw connection 1 (87), on relay plate
   A2 Positive connection (15), in dash panel wiring harness
   A86 Connection (50a), in dash panel wiring harness
   D95 Connection (injectors), in engine compartment wiring harness
---Only models with automatic gearbox

Wiring Diagram VW PASSAT 2003 - Simos control unit - Lambda probes - air mass meter



Wiring Diagram  VW PASSAT 2003 - Simos control unit - Lambda probes - air mass meter https://portal-diagnostov.com/license.html
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G39Lambda probe
G70Air mass meter
G108Lambda probe 2
J361Simos control unit, in protective housing on left in engine compartment
T44-pin connector, black
T4c4-pin connector, brown
T121121-pin connector, on Simos control unit
   E30 Connection (87a), in engine wiring harness

Wiring Diagram VW PASSAT 2003 - Simos control unit - activated charcoal filter system solenoid valve - variable intake manifold changeover valve - secondary air system



Wiring Diagram  VW PASSAT 2003 - Simos control unit - activated charcoal filter system solenoid valve - variable intake manifold changeover valve - secondary air system https://portal-diagnostov.com/license.html
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J299Secondary air pump relay (373), in protective housing for control units on left in engine compartment
J361Simos control unit, in protective housing on left in engine compartment
N80Activated charcoal filter system solenoid valve 1 (pulsed)
N156Variable intake manifold changeover valve
S130Secondary air pump fuse, in protective housing for control units on left in engine compartment
S229Fuse in fuse holder
T10e10-pin connector, orange, in protective housing for control units on left in engine compartment
T121121-pin connector, on Simos control unit
V101Secondary air pump motor
   28 Earth point, on bulkhead
   E30 Connection (87a), in engine wiring harness

Wiring Diagram VW PASSAT 2003 - Simos control unit - cruise control system (CCS) switch - brake light switch - clutch pedal switch - brake pedal switch for CCS



Wiring Diagram  VW PASSAT 2003 - Simos control unit - cruise control system (CCS) switch - brake light switch - clutch pedal switch - brake pedal switch for CCS https://portal-diagnostov.com/license.html
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E45Cruise control system switch, position 0 = OFF in detent, position 1 = OFF with button, position 2 = ON, position 3 = RES
E227Cruise control system (CCS) SET button
FBrake light switch
F36Clutch pedal switch
F47Cruise control system brake pedal switch/diesel direct injection system
J361Simos control unit, in protective housing on left in engine compartment
S7Fuse in relay plate fuse holder
S13Fuse in relay plate fuse holder
T1010-pin connector, black, next to steering column
T15a15-pin connector, white, on protective housing for control units on left in engine compartment
T121121-pin connector, on Simos control unit
   A89 Connection 2 (54), in dash panel wiring harness
   A104 Positive connection 2 (15), in dash panel wiring harness
   A130 Connection (cruise control system), in dash panel wiring harness
   A154 Connection (brake pedal switch), in dash panel wiring harness
---Only models with cruise control system (CCS)
**Only models with manual gearbox

Wiring Diagram VW PASSAT 2003 - Simos control unit - accelerator position sender - Hall sender



Wiring Diagram  VW PASSAT 2003 - Simos control unit - accelerator position sender - Hall sender https://portal-diagnostov.com/license.html
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G40Hall sender
G79Accelerator position sender
G185Accelerator position sender 2
J104ABS with EDL control unit
J361Simos control unit, in protective housing on left in engine compartment
T6b6-pin connector, on accelerator position sender
T10d10-pin connector, brown, on protective housing for control units on left in engine compartment
T15a15-pin connector, white, on protective housing for control units on left in engine compartment
T15s15-pin connector, red, on protective housing for control units on left in engine compartment
T3131-pin connector, on ABS with EDL control unit
T121121-pin connector, on Simos control unit
   A60 Connection (speed signal), in dash panel wiring harness
   A121 Connection (high bus), in dash panel wiring harness
   A122 Connection (low bus), in dash panel wiring harness
*Only models with ABS

Wiring Diagram VW PASSAT 2003 - Fuel system pressurisation pump - fuel gauge sender - speedometer sender - coolant shortage indicator sender - oil pressure switch - fuel gauge senders 2 and 3



Wiring Diagram  VW PASSAT 2003 - Fuel system pressurisation pump - fuel gauge sender - speedometer sender - coolant shortage indicator sender - oil pressure switch - fuel gauge senders 2 and 3 https://portal-diagnostov.com/license.html
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F1Oil pressure switch
GFuel gauge sender
G6Fuel system pressurisation pump
G22Speedometer sender (inductive sender on gearbox)
G32Coolant shortage indicator sender
G169Fuel gauge sender 2
G237Fuel gauge sender 3
S228Fuse in fuse holder
T3d3-pin connector, black
T4e4-pin connector
T6c6-pin connector, blue, left A-pillar coupling station
T10a10-pin connector, brown, left A-pillar coupling station
T10b10-pin connector, black, on protective housing for control units on left in engine compartment
   78 Earth point, lower part of right B-pillar
   197 Earth connection 4, in rear wiring harness
   269 Earth connection (sender earth) 1, in dash panel wiring harness
   316 Earth connection (sender earth 2) in engine wiring harness

Wiring Diagram VW PASSAT 2003 - Dash panel insert - optical and acoustic oil pressure warning - coolant temperature indicator - fuel gauge - rev counter - contact switch for anti-theft alarm



Wiring Diagram  VW PASSAT 2003 - Dash panel insert - optical and acoustic oil pressure warning - coolant temperature indicator - fuel gauge - rev counter - contact switch for anti-theft alarm https://portal-diagnostov.com/license.html
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F120Anti-theft alarm and vermin repellent system contact switch
G1Fuel gauge
G3Coolant temperature gauge
G5Rev. counter
H11Oil pressure warning buzzer
J285Display control unit in dash panel insert
J393Convenience system central control unit
K132Electronic power control fault lamp
L75Digital display illumination bulb
T10a10-pin connector, brown, left A-pillar coupling station
T15k15-pin connector, grey
T32a32-pin connector, blue, on dash panel insert
T32b32-pin connector, green, on dash panel insert
   44 Earth point, lower part of left A-pillar
   86 Earth point 1, in rear wiring harness
   269 Earth connection (sender earth) 1, in dash panel wiring harness
   A91 Connection (signal for dash panel insert), in dash panel wiring harness

Wiring Diagram VW PASSAT 2003 - Dash panel insert - alternator and oil pressure warning lamp - CCS and coolant shortage warning lamp - data bus diagnostic interface - self-diagnosis connection - odometer display



Wiring Diagram  VW PASSAT 2003 - Dash panel insert - alternator and oil pressure warning lamp - CCS and coolant shortage warning lamp - data bus diagnostic interface - self-diagnosis connection - odometer display https://portal-diagnostov.com/license.html
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J285Display control unit in dash panel insert
J533Data bus diagnostic interface
K2Alternator warning lamp
K3Oil pressure warning lamp
K28Coolant temperature/coolant shortage warning lamp
K31Cruise control system warning lamp
K83Exhaust emissions warning lamp
T1616-pin connector, near handbrake lever, self-diagnosis connection
T32a32-pin connector, blue, on dash panel insert
T32b32-pin connector, green, on dash panel insert
Y4Odometer display
   A60 Connection (speed signal), in dash panel wiring harness
   A121 Connection (high bus), in dash panel wiring harness
   A122 Connection (low bus), in dash panel wiring harness