Oldsmobile Eighty-Eight X (1992-1999) powertrain control module (left front of engine compt) Wiring diagrams

15 30 UART DATA UART DATA 15 59 UART DATA DATA CLSS 2 PPL AT RIGHT SIDE I/P, PONT.-I/P HARN., BLK WIRE BLK/WHT WIRE BUICK, OLDS W/ DUAL ZONE A/C COMPUTER COMMAND RIDE CONTROLLER (UNDER DRIVER'S SEAT) DATA LINK CONNECTOR (BELOW LEFT SIDE OF I/P, RIGHT OF STEERING COLUMN) DIAG OUT DIAG ENABLE DK GRN WIRE E&C SERIAL ELECTRONIC BRAKE (AND TRACTION) CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) GRN WIRE HEATER AND A/C CONTROL ASSEMBLY (PONT. W/ AUTO A/C) HOT AT ALL TIMES HVAC PROGRAMMER (BUICK DUAL ZONE A/C) (BEHIND RIGHT I/P) HVAC PROGRAMMER (OLDS DUAL ZONE A/C) (BEHIND RIGHT I/P) HVAC PROGRAMMER (PONT. AUTO A/C) (BEHIND RIGHT I/P) HVAC PROGRAMMER (W/ AUTO OR DUAL ZONE A/C) (RIGHT SIDE OF I/P) I/P FUSE BLOCK INSTRUMENT CLUSTER (OLDS EXCEPT DUAL ZONE) LT BLU WIRE LT GRN WIRE OR AUTO A/C W/O DUAL ZONE ORG/ WIRE PONT. AUTO A/C PONTIAC OTHERS POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PROG ENABLE DATA CLSS 2 PPL RADIO RDO, CLSTR, MISC FUSE REMOTE FUNCTION ACTUATOR MODULE (BEHIND RIGHT I/P, NEXT TO FUSE/RELAY BOX) SENSING AND DIAGNOSTIC MODULE (SDM) (BELOW RIGHT FRONT SEAT, UNDER CARPET) TAN WIRE TRANSAXLE CONTROL INDICATOR DECODER MODULE (CENTER CONSOLE) UART DATA UART DATA UART DATA W/ DUAL ZONE OR AUTO A/C

1642 139 PNK 229 625 264 WIRE 251 251 1074 1073 GROUND GROUND KEY RES IN KEY RES IN BAT IGN ENABLE OUT RLY CNTRL IND CNTRL BLK WIRE BLK/WHT WIRE BUICK PONTIAC BULB TEST LOCK OFF CRNK AIRBAG/ VATS DK BLU WIRE DK GRN WIRE ENABLE RELAY (BEHIND LEFT SIDE OF I/P, ABOVE FUSE BOX) FUEL ENABLE HOT AT ALL TIMES HOT AT ALL TIMES IGNITION SWITCH ACCY HOT IN RUN, BULB TEST OR START HOT IN START I/P FUSE BLOCK IGNITION KEY IGNITION KEY LOCK CYLINDER IND CONTROL INFORMATION CENTER INSTRUMENT CLUSTER (ALL EXCEPT NCA WIRE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH PASSKEY II DECODER MODULE (BEHIND RIGHT SIDE OF I/P) PCM FUSE 8 (OLDS) MISC/RDO/ CLSTR PCM/ VATS FUSE 4 PNK (OLDS) (PONT, BUICK) WIRE PNK IGN WIRE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL/ RESISTOR PELLET PPL/WHT WIRE RED WIRE REMOTE FUNCTION ACTUATOR MODULE (BEHIND RIGHT SIDE OF I/P) RIGHT MAXI FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) RUN WIRE SECURITY INDICATOR STARTER SOLENOID VATS WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

439 1642 451 418 PNK WIRE A/C COMP CTRL A/C REQUEST IN AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM 800 416 474 ANTI-LOCK BRAKES SYSTEM AIR CONDITIONING SYSTEM ANTI-THEFT SYSTEM BLK DK GRN/ WIRE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CAM POS IN VSS IN CHECK ENGINE COOLING FANS SYSTEM 335 464 CRUISE CONTROL SYSTEM CRUISE ENGAGED SIG DATA LINK CONNECTOR (UNDER LEFT SIDE OF I/P) DK BLU WIRE DK GRN WIRE DK GRN/BLK WIRE DK GRN/WHT WIRE DLC CLASS 2 DATA PCM GROUND ELECTRONIC SUSPENSION SYSTEM ENGINE OIL LEVEL SWITCH (CENTER FRONT OF ENGINE) EVAPORATIVE EMISSIONS CANISTER PURGE VALVE (CENTER REAR OF ENGINE) FUEL PUMP (TOP OF FUEL TANK) FUEL PUMP FUSE 6 FUEL PUMP RELAY (I/P RELAY CENTER) GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN, BULB TEST OR START IDLE AIR CONTROL (IAC) VALVE (ON SIDE OF THROTTLE ASSEMBLY) IGN IGNITION CTRL REF HI IGNITION CTRL REF LO INSTRUMENT CLUSTER OR INFORMATION CENTER LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MASS AIR FLOW SENSOR (TOP LEFT SIDE OF ENGINE) MIL LAMP CONTROL WOT OUT TO CCR MISC ENG FUSE 5 NCA WIRE ORG/BLK WIRE PCM FUSE 8 PNK WIRE PNK/BLK WIRE POWER (IGNITION) POWER (BATTERY) PCM GROUND TCC SOLENOID CTRL POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL PNK WIRE PPL/WHT WIRE RED WIRE RED/BLK WIRE RIGHT I/P POWER DISTRIBUTION CENTER RIGHT MAXI FUSE BLOCK PCM/VATS FUSE 4 TAN WIRE TAN/BLK WIRE VEHICLE SPEED SENSOR (ON TRANSAXLE) VSS RETURN WHT WIRE WHT/ BLK WIRE YEL WIRE

380 30 PPL A/C PRESS SENS IN FUEL LEVEL MODULE IN A/C REFRIGERANT PRESSURE SENSOR (LOWER RIGHT FRONT OF ENGINE) ALTERNATOR IND CTRL TRANS SHIFT SOL 'B' BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COOL TEMP INDIC CTRL TRANS SHIFT SOL 'A' MAP SENSOR IN CRUISE INHIBIT OUT CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN WIRE EVAP PURGE VENT SOL LOW OIL LEVEL INDIC CTRL OIL LIFE OUT TO I/P FUEL INJ 4 CTRL FUEL INJ 5 CTRL FUEL INJ 6 CTRL FUEL INJECTORS FUEL TANK PRESS SENS FUEL TANK PRESSURE SENSOR (FUEL TANK) GEN FIELD 'F' TERMINAL KNOCK SENS #1 IN KNOCK SENS #2 IN LINEAR EGR POS SENS IN GEN FIELD 'L' TERMINAL GRY WIRE HEATED OXYGEN SENSOR #1 (REAR OF ENGINE, IN EXHAUST MANIFOLD) HEATED OXYGEN SENSOR #2 (IN EXHAUST PIPE, BEHIND CATALYST) HOT IN RUN, BULB TEST OR START IAT SENSOR IN ECT SENSOR IN TP SENSOR IN INJECTOR FUSE 7 INSTRUMENT CLUSTER SYSTEM KNOCK SENSOR 1 (LOWER FRONT OF ENGINE) KNOCK SENSOR 2 (RIGHT REAR OF ENGINE) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP REAR OF ENGINE) NCA WIRE PCM GROUND PNK PNK 4 5 6 WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL/WHT WIRE RED WIRE RED/BLK WIRE RIGHT I/P POWER DISTRIBUTION CENTER SHIFT SELECT SW IN SHIFT SOLENOID STARTING/ CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC ENABLE SOLENOID TCC PWM SOLENOID TRANS TEMP SENS IN TRANSAXLE TRANSMISSION FLUID TEMPERATURE SENSOR WHT WIRE YEL WIRE YEL/BLK WIRE