Volkswagen Jetta III (1992-1998) motronic engine control module Wiring diagrams

1995 VFTC A/C AND FRESH/RECIRC SWITCH A/C CLUTCH A/C CLUTCH CUTOFF RELAY A/C CUT-OUT THERMAL SWITCH (CENTER OF ENGINE COMPT) A/C PRESSURE SWITCH (RIGHT SIDE OF ENGINE COMPT) A/C SWITCH AMBIENT TEMPERATURE SWITCH (NEAR HORN) BATTERY BLK/GRY WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE COOLANT FAN COOLANT FAN CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) COOLANT FAN CONTROL THERMOSWITCH D/3 FRESH AIR BLOWER FRESH AIR BLOWER SERIES RESISTANCE FRESH AIR BLOWER SWITCH FRESH/ RECIRC SWITCH FRESH/RECIRC FLAP SWITCH FUSE 108 FUSE 104 FUSE 19 FUSE 4 FUSE 6 FUSE/ RELAY PANEL GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/RED WIRE GRN/WHT WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN RUN MOTRONIC ENGINE CONTROL MODULE Q/2 RED WIRE RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE TRANSMISSION CONTROL MODULE WHT WIRE WHT/BLK WIRE WIRE CONNECTOR (ABOVE FUSE/ RELAY PANEL) YEL WIRE YEL/RED WIRE

1995 VFTC A/C CLUTCH CUTOFF RELAY A/C CUT-OUT THERMAL SWITCH (CENTER OF ENGINE COMPT) A/C PRESSURE SWITCH (RIGHT SIDE OF ENGINE COMPT) A/C SYSTEM (A/C CLUTCH) A/C SYSTEM (A/C SWITCH) AMBIENT TEMPERATURE SWITCH (NEAR HORN) BATTERY BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE COOLANT FAN COOLANT FAN CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) COOLANT FAN CONTROL THERMOSWITCH D/3 FUSE 108 FUSE 104 FUSE 19 FUSE 4 FUSE/ RELAY PANEL GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/RED WIRE GRY/BLU WIRE HOT AT ALL TIMES MOTRONIC ENGINE CONTROL MODULE RED WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE TRANSMISSION CONTROL MODULE WIRE CONNECTOR (ABOVE FUSE/ RELAY PANEL) YEL WIRE YEL/RED WIRE

1995 VFTC A/C AND FRESH/RECIRC SWITCH A/C CLUTCH A/C PRESSURE SWITCH (RIGHT SIDE OF ENGINE COMPT) A/C SWITCH AFTER-RUN COOLANT FAN CONTROL THERMO- SWITCH AMBIENT TEMPERATURE SWITCH (NEAR HORN) BATTERY BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE COOLANT FAN COOLANT FAN CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) COOLANT FAN CONTROL THERMOSWITCH COOLANT PUMP D/3 FRESH AIR BLOWER FRESH AIR BLOWER SERIES RESISTANCE FRESH AIR BLOWER SWITCH FRESH/ RECIRC SWITCH FRESH/RECIRC FLAP SWITCH FUSE 108 FUSE 104 FUSE 19 FUSE 4 FUSE 6 FUSE/ RELAY PANEL GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT IN RUN MOTRONIC ENGINE CONTROL MODULE NCA WIRE Q/2 RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE WHT WIRE WHT/BLK WIRE WIRE CONNECTOR (ABOVE FUSE/ RELAY PANEL) YEL WIRE YEL/RED WIRE

1995 VFTC A/C PRESSURE SWITCH (RIGHT SIDE OF ENGINE COMPT) A/C SYSTEM (A/C CLUTCH) A/C SYSTEM (A/C SWITCH) AFTER-RUN COOLANT FAN CONTROL THERMO- SWITCH AMBIENT TEMPERATURE SWITCH (NEAR HORN) BATTERY BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE COOLANT FAN COOLANT FAN CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) COOLANT FAN CONTROL THERMOSWITCH COOLANT PUMP D/3 FUSE 108 FUSE 104 FUSE 19 FUSE 4 FUSE/ RELAY PANEL GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRY/GRN WIRE HOT AT ALL TIMES MOTRONIC ENGINE CONTROL MODULE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE WIRE CONNECTOR (ABOVE FUSE/ RELAY PANEL) YEL WIRE YEL/RED WIRE

1996 ONLY 2.0L 2.0L ONLY 2.8L 2.8L 2.0L 2.8L: IGNI- TION COIL; 2.0L: IGNI- TION COIL POWER OUT- PUT STAGE 3 1 (2.8L) (2.0L) A/C CLUTCH (CABRIO W/ A/C) A/C CLUTCH (W/ A/C EX 2.8L, (CABRIO) A/C CUT- OFF RELAY (W/ A/C EX 2.8L, CABRIO) AUTOMATIC TRANSMISSION CONSOLE LIGHT (W/ A/T) BLK WIRE BLK/VIO WIRE BLU WIRE BRAKE FLUID LEVEL WARNING SWITCH BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CABRIO CAMSHAFT POSITION SENSOR CONTROL MODULE WITH DISPLAY UNIT INSTRU- MENT CLUSTER COOLANT FAN COOLANT FAN (W/ A/C EX 2.8L, CABRIO) COOLANT FAN CONTROL MODULE (W/ A/C EX 2.8L, CABRIO) ENGINE COOLANT LEVEL SENSOR (A/T ONLY) ENGINE SPEED SENSOR EX CABRIO FRESH AIR/ RECIRCULATING FLAP TWO- WAY VALVE (W/ A/C EX 2.8L, CABRIO) FRONT SIDE MARKER LIGHTS FUEL LEVEL SENSOR GRN WIRE GRY/BLU WIRE HEATED OXYGEN SENSOR 1 SHIELD HEATED OXYGEN SENSOR 2 SHIELD (2.8L ONLY) HEATED OXYGEN SENSOR 2 SHIELD HOOD ALARM SWITCH ALARM HORN KICK DOWN SWITCH (W/ A/T) PARK/ NEUTRAL POSITION RELAY (W/ A/T) KNOCK SENSOR 1 KNOCK SENSOR 1 SHIELDS KNOCK SENSOR 2 SHIELDS (2.8L ONLY) LEFT FOG LIGHT RIGHT FOG LIGHT LEFT FRONT PARK/ TURN SIGNAL LIGHT RIGHT FRONT PARK/ TURN SIGNAL LIGHT LEFT HEAD- LIGHT M/6 MASS AIR FLOW SENSOR MO- TRONIC ENGINE CONTROL MODULE MOTRONIC ENGINE CONTROL MODULE MULTI- FUNCTION INDICATOR MODE SELECT SWITCH (JETTA) MULTI- FUNCTION TRANS- MISSION RANGE SWITCH (W/ A/T) NCA WIRE RED WIRE RIGHT HEAD- LIGHT RIGHT SEAT BELT MODULE (2.0L ONLY) HEATED OXYGEN SENSOR 1 SHIELD SECONDARY AIR INJECTION PUMP MOTOR SPEED- OMETER VEHICLE SPEED SENSOR (M/T ONLY) TO BATTERY (DIAGRAM (1 OF 6) TO FUSE/RELAY PANEL (DIAGRAM 1 OF 6) TRANS- MISSION CONTROL MODULE (W/ A/T) WHT WIRE

1995 2.0L ONLY BLK WIRE BLK/VIO WIRE BLU WIRE BRN WIRE BRN/YEL WIRE CALIFORNIA, NEW YORK ONLY CAMSHAFT POSITION SENSOR CONTROL MODULE WITH DISPLAY UNIT COOLANT FAN EGR TEMPERATURE SENSOR ENGINE COOLANT TEMPERATURE SENSOR ENGINE SPEED SENSOR ENGINE SPEED SENSOR SHIELD FUEL LEVEL SENSOR FUSE/ RELAY PANEL (UNDER LEFT SIDE OF DASH) GRN WIRE GRY WIRE HEATED OXYGEN SENSOR IGNITION COIL POWER OUTPUT STAGE INSTRUMENT CLUSTER INTAKE AIR TEMPERATURE SENSOR KNOCK SENSOR KNOCK SENSOR SHIELD MASS AIR FLOW SENSOR MOTRONIC ENGINE CONTROL MODULE NCA WIRE RED WIRE THROTTLE POSITION SENSOR V/2 M/6 (NOT USED) WHT WIRE YEL WIRE

1995 2.8L ONLY BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAMSHAFT POSITION SENSOR CONTROL MODULE WITH DISPLAY UNIT COOLANT PUMP EGR TEMPERATURE SENSOR ENGINE COOLANT TEMPERATURE SENSOR ENGINE COOLANT TEMPERATURE SENSOR, AFTER RUN COOLANT FAN CONTROL THERMAL SWITCH ENGINE SPEED SENSOR ENGINE SPEED SENSOR SHIELD FUEL LEVEL SENSOR FUSE/ RELAY PANEL (UNDER LEFT SIDE OF DASH) GRN WIRE GRY WIRE HEATED OXYGEN SENSOR IGNITION COIL INSTRUMENT CLUSTER INTAKE AIR TEMPERATURE SENSOR KNOCK SENSOR #2 KNOCK SENSOR 1 KNOCK SENSOR 1 SHIELD KNOCK SENSOR 2 SHIELD M/6 MASS AIR FLOW SENSOR MOTRONIC ENGINE CONTROL MODULE MULTI- FUNCTION INDICATOR MODE SELECT SWITCH NCA WIRE POSITIVE CRANKCASE VENTILATION HEATING ELEMENT RED WIRE SPEEDOMETER VEHICLE SPEED SENSOR THROTTLE POSITION SENSOR V/2 VEHICLE SPEED SENSOR WHT WIRE YEL WIRE

A/C CLUTCH CUT-OFF RELAY BATTERY BATTERY GROUND BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CALIF ONLY DATA LINK CONNECTOR (CENTER OF DASH) ENGINE SPEED SENSOR (FRONT CENTER OF ENGINE COMPT) FUEL PUMP FUEL PUMP RELAY FULL THROTTLE IMPACT VALVE FUSE 101 FUSE 15 FUSE 18 FUSE/ RELAY PANEL FUSE/RELAY PANEL GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE IGNITION INSTRUMENT CLUSTER SYSTEM (CONTROL MODULE/ DISPLAY UNIT) INSTRUMENT CLUSTER VEHICLE SPEED SIGNAL JUNCTION BLOCK (ABOVE FUSE/ RELAY PANEL) JUNCTION CONNECTOR M/1 M/2 MOTRONIC ENGINE CONTROL MODULE NCA WIRE RED WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT SEAT BELT CONTROL MODULE SECONDARY AIR INJECTION (AIR) PUMP MOTOR SECONDARY AIR INJECTION (AIR) PUMP RELAY TRANSMISSION CONTROL MODULE VEHICLE SPEED SENSOR (M/T) W/1 WHT WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE Z/2

AIR CONDITIONING SYSTEM BATTERY BATTERY GROUND BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE ENGINE SPEED SENSOR (LWR LEFT REAR OF ENGINE) FUEL PUMP FUEL PUMP RELAY FUSE 130 FUSE 15 FUSE 18 FUSE/ RELAY PANEL FUSE/RELAY PANEL GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE IGNITION IGNITION COIL (LEFT REAR OF ENGINE) INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER SYSTEM (MIL) INSTRUMENT CLUSTER VEHICLE SPEED OUTPUT JUMPER CONNECTOR JUNCTION CONNECTOR M/1 M/2 MOTRONIC ENGINE CONTROL MODULE N/1 NCA WIRE RED WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SECONDARY AIR INJECTION (AIR) SOLENOID VALVE SECONDARY AIR INJECTION PUMP MOTOR (FRT CENTER OF ENGINE COMPT) SECONDARY AIR INJECTION RELAY TOP OF ENGINE) TRANSMISSION CONTROL MODULE (TCM) (BELOW REAR SEAT) TRANSMISSION CONTROL SYSTEM VEHICLE SPEED SENSOR VIO/WHT WIRE W/1 WHT WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED WIRE Z/1 Z/2