ENGINE PERFORMANCE – Volkswagen Passat TDI 1997 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

1.9L

1.9L Turbo Diesel, Engine Performance Wiring Diagrams (1 of 2) for Volkswagen Passat TDI 1997

List of elements for 1.9L Turbo Diesel, Engine Performance Wiring Diagrams (1 of 2) for Volkswagen Passat TDI 1997:

• (beside fuse/ relay panel)
• (on brake pedal bracket) brake light switch
• Air conditioning system
• Battery
• Brake vacuum vent valve switch (on brake pedal bracket)
• Clutch vacuum vent valve switch
• Cruise control system
• Diesel direct fuel injection (dfi) engine control module (ecm) (center of plenum, in eng compt)
• E/3
• E/4
• Engine coolant temperature sensor (center of eng compt)
• Engine speed sensor (front center of eng compt)
• Fuse 10a
• Fuse/ relay panel (under left side of dash)
• G1/10
• G1/4
• G1/7
• G202
• Ignition
• Instrument cluster system
• Intake air temperature sensor (left center of eng compt)
• Mass air flow sensor (right front of eng, on intake air duct)
• Needle lift sensor
• Red
• Trans- mission system
• Transmissions system
• W/4
• Wastegate bypass regulator valve (left center of eng compt)
• Z/1

1.9L Turbo Diesel, Engine Performance Wiring Diagrams (2 of 2) for Volkswagen Passat TDI 1997

List of elements for 1.9L Turbo Diesel, Engine Performance Wiring Diagrams (2 of 2) for Volkswagen Passat TDI 1997:

• Cold start injector
• Coolant system glow plug relay (on center of safety wall)
• Coolant system glow plugs
• Cruise control system
• Data link connector (under center of dash)
• Diesel direct fuel injection (dfi) engine control module (ecm) (center of plemun, in eng compt)
• Display unit control module
• Egr vacuum regulator solenoid valve (right side of eng compt)
• Engine glow plugs
• Fuel cut-off valve (right front of eng compt)
• Fuel temper- ature sensor
• Fuse 50a
• Fuse/relay panel (under left side of dash)
• G1/12
• G1/9
• G2/5
• Glow plug indicator
• Glow plug relay (on fuse/ relay panel)
• Hot at all times
• Instrument cluster
• Malfunction indicator lamp
• Modulating piston displacement sensor
• Nca
• Quantity adjuster
• Red
• T28/10
• T28/20
• T28b/26
• Throttle position (tp) sensor/ closed throttle position (ctp) switch/kickdown switch (above accelerator pedal)
• U1/6
• U1/8
• U1/9

2.8L

2.8L, Engine Performance Wiring Diagrams (1 of 2) for Volkswagen Passat TDI 1997

List of elements for 2.8L, Engine Performance Wiring Diagrams (1 of 2) for Volkswagen Passat TDI 1997:

• (in engine compt, on center of plenum)
• (on cylinder head)
• 30b
• Air condi- tioning system
• Battery
• Battery ground
• Control module/ display unit
• Engine speed sensor (lower left rear of eng)
• Fuel pump
• Fuel pump relay
• Fuse 10a
• Fuse 20a
• Fuse 30a
• Fuse/ relay panel
• Fuse/relay panel
• G1/3
• G1/4
• G1/8
• G132 (on engine block)
• G2/4
• G2/5
• G2/8
• G2/9
• Ignition
• Ignition coil (left rear of engine)
• Instrument cluster
• Instrument cluster system
• Instrument cluster system (pin 26)
• M/1
• M/2
• Malfunc- tion indicator lamp
• Motronic engine control module
• Nca
• Red
• Red jumper connector
• Secondary air injection (air) pump motor (front center of eng compt)
• Secondary air injection (air) pump relay
• Secondary air injection (air) solenoid valve
• T28/20
• Transmission control module (tcm) (below rear seat)
• Transmissions system
• U1/8
• U2/2
• Vehicle speed output
• W/1
• Z/2

2.8L, Engine Performance Wiring Diagrams (2 of 2) for Volkswagen Passat TDI 1997

List of elements for 2.8L, Engine Performance Wiring Diagrams (2 of 2) for Volkswagen Passat TDI 1997:

• (on cylinder head)
• (right rear side of engine compt) throttle valve control module
• Camshaft position sensor
• Data link connector (under left side of dash)
• Egr vacuum regulator valve
• Engine coolant temperature (ect) sensor (left rear of engine, on thermostat housing)
• Evaporative emission (evap) canister purge regulator valve (on right side of eng compartment)
• Fuel
• G132 (on engine block)
• Heated oxygen sensor (ho2s)
• Heated oxygen sensor (ho2s) 2
• Injectors
• Intake air temperature (iat) sensor (on rear of upper intake manifold)
• Knock sensor (ks) 1 (on exhaust side of cyl block)
• Knock sensor (ks) 2 (on intake side of cyl block)
• Mass air flow (maf) sensor (on right side of eng compartment)
• Nca
• Vehicle speed sensor