Contents Wiring diagrams Section: Electrical Component Locations All sections

Electrical Component Locator: Other Volkswagen Passat B5 facelift

BUZZERS, RELAYS & TIMERS

ComponentComponent Location
A/C Clutch Relay (W/Auto A/C)On thirteenfold (thirteen position) auxiliary relay panel. (Схема №5)
Brake Booster Relay (1.8L)On thirteenfold (thirteen position) auxiliary relay panel. (Схема №5)
Coolant Fan Control RelayOn thirteenfold (thirteen position) auxiliary relay panel. (Схема №5)
Daytime Running Lights Changeover RelayOn thirteenfold (thirteen position) auxiliary relay panel. (Схема №5)
Dual Horn RelayOn relay panel. (Схема №6)
First Speed Engine Coolant Fan Control RelayOn eightfold (eight position) auxiliary relay panel. (Схема №4)
Foglight RelayOn thirteenfold (thirteen position) auxiliary relay panel. (Схема №5)
Fuel Pump (FP) RelayOn relay panel. (Схема №6)
Load Reduction RelayOn relay panel. (Схема №6)
Motronic Engine Control Module Power Supply RelayIn control module housing, next to Motronic engine control module.
Secondary Air Injection Pump RelayIn control module housing, near master cylinder.
Second Speed Coolant Fan Control RelayOn eightfold (eight position) auxiliary relay panel. (Схема №4)
Selector Lever Light RelayOn thirteenfold (thirteen position) auxiliary relay panel. (Схема №5)
Solar Cell Separation RelayOn thirteenfold (thirteen position) auxiliary relay panel. (Схема №5)
Starting Interlock Relay (A/T)On thirteenfold (thirteen position) auxiliary relay panel. (Схема №5)
Starting Interlock Relay (Alarm System)On thirteenfold (thirteen position) auxiliary relay panel. (Схема №5)
Starting Interlock Relay (Clutch System) (M/T)On thirteenfold (thirteen position) auxiliary relay panel. (Схема №5)
Wiper/Washer Intermittent Relay (2)On relay panel. (Схема №6)

BUZZERS, RELAYS & TIMERS LOCATION

CIRCUIT PROTECTION DEVICES

ComponentComponent Location
Control Module HousingOn left side of engine compartment, near master cylinder.
Eightfold (Eight Position) Auxiliary Relay PanelUnder left side of dash.
Fuse PanelUnder left side of dash.
Relay PanelUnder left side of dash.
Thirteenfold (Thirteen Position) Auxiliary Relay PanelUnder left side of dash.

CIRCUIT PROTECTION DEVICES LOCATION

CONTROL UNITS

ComponentComponent Location
ABS Control Module (1.8L)On left front of engine compartment. (Схема №1)
ABS Control Module (2.8L)On left front of engine compartment.
ABS Control Module (4.0L)On left front of engine compartment.
A/C Cut-Off Control Module (W/Manual A/C)On thirteenfold (thirteen position) auxiliary relay panel. (Схема №5)
Air Bag Control ModuleMounted on floor in front of center console, near ventilation ducts. (Схема №3)
Antenna Selection Control ModuleUnder center of rear speaker shelf.
Climatronic Control ModuleIn center console, below radio.
Comfort System Central Control ModuleMounted on floorpan in protective box, under driver's seat & carpet. (Схема №3)
Coolant Fan Control Module (1.8L)On left front framerail, near vacuum reservoir.
Coolant Fan Control Module (2.8L)On left front framerail, near vacuum reservoir.
Coolant Fan Control Module (4.0L)Between right & left cooling fans.
Door Control Module (Driver's Side)Part of power window assembly, in driver's door. (Схема №3)
Door Control Module (Left Rear)Part of power window motor assembly, in left rear door.
Door Control Module (Passenger's Side)Part of power window motor assembly, in passenger's front door.
Door Control Module (Right Rear)Part of power window motor assembly, in right rear door.
Fresh Air Blower Control ModuleIntegral to fresh air blower, under right side of dash.
Fuel Pump Control ModuleIn luggage compartment, under spare tire.
Lamp Failure Control Module (2.8L)On thirteenfold (thirteen position) auxiliary relay panel. (Схема №5)
Lamp Failure Control Module (4.0L)On thirteenfold (thirteen position) auxiliary relay panel. (Схема №5)
Motronic Engine Control Module (ECM) (1.8L)In protective box, in left rear corner of engine compartment. (Схема №1)
Motronic Engine Control Module (2.8L)In protective box, in left rear corner of engine compartment. (Схема №2)
Motronic Engine Control Module (4.0L)In protective box, in left rear corner of engine compartment.
Multifunction Steering Wheel Control Unit (2)On thirteenfold (thirteen position) auxiliary relay panel. (Схема №5)
Throttle Valve Control Module (1.8L)On throttle body. (Схема №1)
Throttle Valve Control Module (2.8L)On throttle body, on rear of intake manifold. (Схема №2)
Throttle Valve Control Module (4.0L)On throttle body, on rear of intake manifold.
Transmission Control ModuleOn passenger's side floor cavity.

CONTROL UNITS LOCATION

MOTORS

ComponentComponent Location
Airflow Flap MotorBehind right end of dash, on HVAC housing.
Brake System Vacuum PumpAt left front of engine compartment, near ABS control module.
Central Air Flap MotorBehind lower left center of dash, on HVAC housing.
Deck Lid Central Locking System MotorIn rear lid lock/latch mechanism.
Footwell/Defroster Flap MotorBehind lower right center of dash, on HVAC housing.
Fresh Air BlowerBehind right side of dash, on HVAC housing. (Схема №3)
Fuel PumpIn fuel tank, beneath right front of luggage compartment.
Fuel Tank Lid Unlock MotorOn right side of luggage compartment. (Схема №3)
Leak Detection PumpIn left rear wheelhouse, behind plastic liner.
Level Control System Sensor (Left Front)On left front suspension assembly.
Level Control System Sensor (Left Rear)On left rear suspension assembly.
Rear Lid Remote Unlock MotorOn rear lid with lock/latch mechanism. (Схема №3)
Rear Windshield Wiper MotorOn center of rear hatch, behind trim panel.
Secondary Air Injection (AIR) Pump Motor (2.8L)In lower right front corner of engine compartment.
Secondary Air Injection (AIR) Pump Motor (4.0L)Below right headlight, behind bumper.
Temperature Regulator Flap MotorBehind lower right center of dash, on HVAC housing.
Transfer Fuel PumpInside auxiliary fuel tank.
Windshield & Rear Window Washer PumpOn left front of vehicle, behind left front turn signal lamp.

MOTORS LOCATION

SENDING UNITS & SENSORS

ComponentComponent Location
ABS Wheel Speed Sensor (Front) (Left/Right)On front of respective wheel bearing housing.
ABS Wheel Speed Sensor (Rear) (Left/Right)On back of respective wheel bearing assembly.
Accelerator Pedal Position SensorAbove accelerator pedal.
Auxiliary Tank Fuel Level Empty SensorInside auxiliary fuel tank.
Auxiliary Tank Fuel Level SensorInside auxiliary fuel tank.
Barometric Pressure (BARO) Sensor (1.8L)In control module housing, at left rear of engine compartment. (Схема №1)
Camshaft Position (CMP) Sensor (1.8L)On front of cylinder head, behind camshaft timing belt cover. (Схема №1)
Camshaft Position Sensor (2.8L)On front of right cylinder head, behind timing belt cover. (Схема №2)
Camshaft Position Sensor (4.0L)On rear of right cylinder head.
Camshaft Position Sensor 2 (2.8L)On rear of left cylinder head.
Camshaft Position Sensor 2 (4.0L)On rear of right cylinder head.
Camshaft Position Sensor 3 (4.0L)On rear of left cylinder head.
Camshaft Position Sensor 4 (4.0L)On rear of left cylinder head.
Center Outlet Temperature SenderBehind lower center of dash, on bottom of HVAC unit.
Charge Air Pressure Sensor (1.8L)Behind left headlight.
Engine Coolant Level SensorOn bottom of coolant reservoir/expansion tank.
Engine Coolant Temperature (ECT) Sensor (1.8L)On rear of cylinder head. (Схема №1)
Engine Coolant Temperature Sensor (2.8L)On rear of right cylinder head.
Engine Coolant Temperature Sensor (1) (4.0L)Near top right of radiator, on radiator cooling pipe.
Engine Coolant Temperature Sensor (2) (4.0L)On coolant pipe, on rear of engine.
Engine Oil Temperature Sensor (1.8L)On left side of engine, on oil filter housing.
Engine Oil Temperature Sensor (2.8L)On lower left front of engine.
Engine Speed (RPM) Sensor (1.8L)On left rear of engine block, behind oil filter. (Схема №1)
Engine Speed (RPM) Sensor (2.8L)On left side of transmission bellhousing.
Floor Outlet Temperature SenderBehind lower left center of dash, on HVAC unit.
Fresh Air Intake Duct Temperature SensorUnder dust/pollen filter, on right side of plenum.
Fuel Level SensorIn fuel tank, under right front of luggage compartment.
Fuel Gauge SenderIn fuel tank, under right front of luggage compartment.
Fuel Supply Sensor 2Below left rear seat, in fuel tank.
Fuel Supply Sensor 3At top of fuel tank, under luggage compartment.
Heated Oxygen Sensor (HO2S) (1.8L)In catalytic converter inlet, near turbocharger. (Схема №1)
Heated Oxygen Sensor (2.8L)Behind right cylinder head, on exhaust manifold.
Heated Oxygen Sensor (4.0L)On right exhaust manifold.
Heated Oxygen Sensor 2 (2.8L)Behind left cylinder head, on exhaust manifold.
Heated Oxygen Sensor 2 (4.0L)On left exhaust manifold.
Intake Air Temperature (IAT) Sensor (1.8L)On intake manifold, behind throttle body. (Схема №1)
Intake Air Temperature Sensor (2.8L)On rear of intake manifold, in intake duct.
Intake Air Temperature Sensor (4.0L)Integral to mass airflow sensor.
Knock Sensor (KS) No. 1 (1.8L)On left front of engine block. (Схема №1)
Knock Sensor No. 1 (2.8L)On right side of engine block, beneath intake manifold.
Knock Sensor No. 1 (4.0L)Behind generator, on engine block.
Knock Sensor (KS) No. 2 (1.8L)On left rear of engine block. (Схема №1)
Knock Sensor No. 2 (2.8L)On left side of engine block, beneath intake manifold.
Knock Sensor No. 2 (4.0L)On right rear of engine block.
Knock Sensor No. 3 (4.0L)On front of engine block.
Knock Sensor No. 4 (4.0L)On left rear of engine block.
Mass Airflow (MAF) Sensor (1.8L)Inside air cleaner housing. (Схема №1)
Mass Airflow Sensor (2.8L)Attached to air cleaner housing. (Схема №2)
Mass Airflow Sensor (4.0L)Attached to air cleaner housing.
Oil Level Thermal SensorOn bottom of oil pan.
Outside Air Temperature SensorIn front of A/C condenser. (Схема №3)
Oxygen Sensor (Behind TWC) (1.8L)Behind catalytic converter.
Oxygen Sensor (Behind TWC) (2.8L)Behind right catalytic converter.
Oxygen Sensor (Behind TWC) (4.0L)On rear of right catalytic converter.
Oxygen Sensor 2 (Behind TWC) (2.8L)Behind left catalytic converter.
Oxygen Sensor 2 (Behind TWC) (4.0L)On rear of left catalytic converter.
Rotation Rate SenderUnder center of rear seat.
Side Air Bag Crash Sensor (Driver's Side)Under driver's seat & carpet, mounted on floorpan crossmember. (Схема №3)
Side Air Bag Crash Sensor (Passenger's Side)Under passenger's seat & carpet, mounted on floorpan crossmember.
Speedometer Vehicle Speed Sensor (VSS)On left side of engine compartment, near drive flange. (Схема №3)
Sunlight Photo SensorInside defroster grille, on center of dashboard.
Throttle Position SensorAbove accelerator pedal.
Transmission Vehicle Speed SensorOn left side of transmission, near drive flange.
Transverse Acceleration SensorUnder center of rear seat.
Windshield Washer Fluid Level SensorIn windshield washer fluid reservoir. (Схема №3)

SENDING UNITS & SENSORS LOCATION

SOLENOID & SOLENOID VALVES

ComponentComponent Location
Camshaft Adjustment Valve 1 (2.8L)On rear of right cylinder head.
Camshaft Adjustment Valve 1 (4.0L)On rear of right cylinder head.
Camshaft Adjustment Valve 2 (2.8L)On front of left cylinder head.
Camshaft Adjustment Valve 2 (4.0L)On rear of left cylinder head.
Camshaft Adjustment Valve 1 (Exhaust) (4.0L)On rear of right cylinder head.
Camshaft Adjustment Valve 2 (Exhaust) (4.0L)On rear of left cylinder head.
Evaporative Emission (EVAP) Canister Purge Regulator Valve (1.8L)On right side of engine compartment, next to air cleaner housing. (Схема №1)
Evaporative Emission (EVAP) Canister Purge Regulator Valve (2.8L)On right side of engine compartment, next to air cleaner housing. (Схема №2)
Evaporative Emission (EVAP) Canister Purge Regulator Valve (4.0L)On right side of engine compartment, next to air cleaner housing.
Intake Manifold Tuning Valve Changeover Valve (2.8L)On rear of intake manifold. (Схема №2)
Secondary Air Injection (AIR) Solenoid Valve (1.8L)Beneath intake manifold, on bracket.
Secondary Air Injection (AIR) Solenoid Valve (2.8L)On rear of intake manifold, near air intake duct. (Схема №2)
Secondary Air Injection (AIR) Solenoid Valve (4.0L)Near left front of intake manifold.
Turbocharger Recirculating Valve (1.8L)Beneath intake manifold, on bracket.
Wastegate By-Pass Regulator Valve (1.8L)On right front of engine compartment, near camshaft drive belt cover.

SOLENOID & SOLENOID VALVES LOCATION

SWITCHES

ComponentComponent Location
A/C Pressure SwitchOn right side of A/C condenser, below right headlight. (Схема №3)
Back-Up Light Switch (M/T)On left side of transmission, above drive flange. (Схема №3)
Brake Fluid Level Warning SwitchIn brake fluid master cylinder fluid reservoir. (Схема №3)
Brakelight SwitchBelow left side of dash, on pedal cluster.
Central Locking Trunk Lid SwitchOn trunk lock mechanism.
Clutch Pedal Position SwitchBelow left side of dash, on pedal cluster.
Clutch Vacuum Vent Valve SwitchBelow left side of dash, on pedal cluster.
Coolant Fan Control (FC) Thermal SwitchOn lower left side of radiator. (Схема №3)
Hood Alarm SwitchPart of hood latch assembly. (Схема №3)
Multifunction Transmission Range SwitchOn left side of transmission.
Oil Pressure Switch (1.8L)On oil cooler/oil filter housing. (Схема №1)
Oil Pressure Switch (2.8L)On lower left front of engine, on oil pan extension.
Oil Pressure Switch (1.4 Bar) (4.0L)On oil filter bracket.
Parking Brake Warning Light SwitchBelow center console, at parking brake lever mechanism.
Seat Belt Switch (Left)In driver's seat belt buckle.
Trunk Lock Alarm SwitchIn rear lid with lock/latch mechanism.
Vacuum Vent Valve Brake SwitchIntegral to brakelight switch.

SWITCHES LOCATION

MISCELLANEOUS

ComponentComponent Location
Alarm HornOn left front of luggage compartment, behind rear seat. (Схема №3)
AmplifierUnder right side of rear speaker shelf.
Coolant Fan Control Series ResistanceOn left front underside of longitudinal chassis member.
Data Link ConnectorUnder left side of dash.
Dual HornsBelow right front headlight.
Ignition Coil (4) (1.8L)Mounted on top of cylinder head, above each respective cylinder.
Ignition Coil (2.8L)On front of intake manifold. (Схема №2)
Map Controlled Engine Cooling Thermostat (4.0L)Under center of intake manifold.
Power Output Stage (1.8L)On right side of engine compartment, on top of air cleaner housing. (Схема №1)
Power Output Stage (2.8L)Integral to ignition coil.

MISCELLANEOUS LOCATION

CONNECTORS

ComponentComponent Location
T6 (Black, 6 Pin)At left side of luggage compartment.
T6A (Black, 6 Pin)Behind center of dash.
T6B (Blue, 6 Pin)Behind center of dash.
T6C (Blue, 6 Pin)At base of left "A" pillar, on connector station.
T6D (Red, 6 Pin)Behind center of dash.
T6D (Red, 6 Pin)On right "B" pillar.
T6D (Pink, 6 Pin)At base of right "A" pillar, on connector station.
T6E (Black, 6 Pin)Near right side of steering column.
T6E (Yellow, 6 Pin)At base of left "A" pillar, on connector station.
T6J (Red, 6 Pin)At base of left "A" pillar, on connector station.
T6K (Red, 6 Pin)At base of right "A" pillar, on connector station.
T6M (Black, 6 Pin)At base of right "A" pillar, on connector station.
T6N (Red, 6 Pin)At left side of engine compartment, in protective control module housing.
T6O (Brown, 6 Pin)At base of right "A" pillar, on connector station.
T6Q (Black, 6 Pin)At base of left "A" pillar, on connector station.
T6V (Violet, 6 Pin)At base of right "A" pillar, on connector station.
T6W (Gray, 6 Pin)At base of right "A" pillar, on connector station.
T6X (Brown, 6 Pin)At base of right "A" pillar, on connector station.
T8 (Black, 8 Pin)At base of right "A" pillar, on connector station.
T8E (Black, 8 Pin)In right side of rear lid.
T8U (Brown, 8 Pin)At base of right "A" pillar, on connector station.
T10 (White, 10 Pin)Near right side of steering column.
T10A (Brown, 10 Pin)At base of left "A" pillar, on connector station.
T10B (Black, 10 Pin)At left side of engine compartment, in protective control module housing.
T10C (Violet, 10 Pin)At base of left "A" pillar, on connector station.
T10D (Brown, 10 Pin)At left side of engine compartment, in protective control module housing.
T10E (Orange, 10 Pin)At left side of engine compartment, in protective control module housing.
T10F (Blue, 10 Pin)At left side of engine compartment, in protective control module housing.
T10F (Blue, 10 Pin)At base of left "A" pillar, on connector station.
T10G (White, 10 Pin)At left side of engine compartment, in protective control module housing.
T10H (Blue, 10 Pin)At base of left "A" pillar, on connector station.
T10I (Blue, 10 Pin)At base of right "A" pillar, on connector station.
T10K (Gray, 10 Pin)At base of left "A" pillar, on connector station.
T10L (Black, 10 Pin)At base of left "A" pillar, on connector station.
T10M (Brown, 10 Pin)At base of right "A" pillar, on connector station.
T10N (Orange, 10 Pin)At base of left "A" pillar, on connector station.
T10O (Red, 10 Pin)At base of left "A" pillar, on connector station.
T10P (Yellow, 10 Pin)At base of right "A" pillar, on connector station.
T10S (Pink, 10 Pin)At base of left "A" pillar, on connector station.
T10T (Red, 10 Pin)At base of left "A" pillar, on connector station.
T10V (Violet, 10 Pin)At base of right "A" pillar, on connector station.
T10W (Gray, 10 Pin)At base of right "A" pillar, on connector station.
T12 (12 Pin)Near steering column.
T15A (White, 15 Pin)At left side of engine compartment, in protective control module housing.
T15C (Red, 15 Pin)At base of right "A" pillar, on connector station.
T15K (Gray, 15 Pin)At base of left "A" pillar, on connector station.
T15M (Brown, 15 Pin)At base of right "A" pillar, on connector station.
T15S (Red, 15 Pin)At left side of engine compartment, in protective control module housing.

CONNECTORS LOCATION

GROUNDS

ComponentComponent Location
G12 (1.8L)On left side of engine compartment. (Схема №1)
G12 (2.8L)On left side of engine compartment. (Схема №2)
G12 (4.0L)On left side of engine compartment.
G13On right side of engine compartment.
G16 (1.8L)On valve cover. (Схема №1)
G16 (2.8L)On valve cover.
G16 (4.0L)On valve cover.
G22On hydraulic unit.
G27On valve cover.
G28On left side of firewall.
G30Beside fuse/relay panel.
G32Behind left side of dash.
G43On lower right "A" pillar.
G41Below rear shelf.
G44On lower left "A" pillar.
G49Near steering wheel.
G50On left side of luggage compartment.
G52In left side of rear lid.
G53In right side of rear lid.
G57On left rear pillar.
G73On rear roof bow.
G75On right rear pillar.
G77On lower left "B" pillar.
G78On lower right "B" pillar.
G606Between front seats.

GROUNDS LOCATION