Ford Explorer III (2001-2006) powertrain control module (pcm) (mounted through firewall) Wiring diagrams

1 3 6 13 SS B 2 10 13 DATA LINK CONNECTOR (DLC) (PARTIAL) (BEHIND LEFT SIDE OF DASH) 81 84 89 EPC OSS TP 90 91 92 97 103 VREF SIG RTN BPP POWER GROUND ANTI-LOCK BRAKES SYSTEM AUTOMATIC TRANSMISSION (LEFT SIDE OF TRANSMISSION) BATTERY JUNCTION BOX (LEFT SIDE OF ENGINE COMPT) BLK WIRE BLK/LT GRN WIRE BLK/WHT WIRE BRAKE PEDAL POSITION SWITCH (BEHIND LEFT SIDE OF DASH, ABOVE BRAKE PEDAL) BRN/ORG WIRE BRN/WHT WIRE CENTRAL JUNCTION BOX (BEHIND LEFT SIDE OF DASH) FUSE 19 DK BLU/YEL WIRE DK GRN WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE (ECT) SENSOR (FRONT OF ENGINE, LEFT OF THROTTLE BODY) FUSE 2 FUSE 24 FUSE 36 FUSE 44 FUSE 7 PCM POWER DIODE FUSE 9 GROUND SS C TCC KAPWR ISS GRY WIRE GRY/ORG WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR START LT BLU WIRE LT BLU/BLK WIRE LT BLU/YEL WIRE LT GRN WIRE LT GRN/RED WIRE ORG/ WIRE ORG/BLK WIRE ORG/YEL WIRE PCM POWER RELAY PNK/BLK WIRE PNK/LT BLU WIRE POWER GROUND GROUND POWERTRAIN CONTROL MODULE (PCM) (MOUNTED THROUGH FIREWALL) RED WIRE RED/LT GRN WIRE RUN WIRE SHIFT INTERLOCK SYSTEM SHIFT SOLENOIDS TAN WIRE TAN/ORG WIRE TAN/WHT WIRE THROTTLE POSITION (TP) SENSOR (ATTACHED TO THROTTLE BODY) TRANSMISSION CONTROL SWITCH (TCS) TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR TSS DLC DLC (-) DLC (+) GROUND SS A SS D TCS TFT ECT TURBINE SHAFT SPEED (TSS) SENSOR VIO WIRE VIO/ORG WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE

17 16 SCP- SCP+ ABS CONTROL MODULE (ON LEFT SIDE OF OF ENGINE COMPARTMENT) ABS TEST CONNECTOR (ON LEFT SIDE OF ENGINE COMPARTMENT) BLK WIRE BLK/WHT WIRE BLU WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LEFT SIDE OF DASH) CENTRAL SECURITY MODULE (BEHIND TOP RIGHT SIDE OF DASH) DATA LINK CONNECTOR (DLC) (BEHIND LEFT SIDE OF DASH) FEPS FOUR-WHEEL DRIVE CONTROL MODULE (AT RIGHT FUSE 17 HOT AT ALL TIMES INSTRUMENT CLUSTER ISO KICK PANEL) LT BLU WIRE LT BLU/WHT WIRE PNK/LT BLU WIRE POWERTRAIN CONTROL MODULE (PCM) (MOUNTED THROUGH FIREWALL) RESTRAINTS CONTROL MODULE (BEHIND LOWER CENTER OF DASH) SCP+ TAN/ORG WIRE TWISTED PAIR VIO WIRE W/ KEYLESS ENTRY W/O KEYLESS ENTRY WHT WIRE

1 2 3 4 5 6 7 8 9 10 INDICATOR CONTROL AIR BAG SLIDING CONTACT (ON STEERING COLUMN) BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF ENGINE COMPARTMENT, AT FENDER APRON) BLK BLU/ LT WIRE BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BRAKE PEDAL POSITION SWITCH (ABOVE BRAKE PEDAL) BRAKE PRESS INPUT GROUND BRAKE PRESSURE SWITCH (ON BRAKE MASTER CYLINDER) CENTRAL JUNCTION BOX (CJB) (BEHIND LEFT SIDE OF DASH) COAST DK BLU/YEL WIRE DK GRN/ORG WIRE FOUR-WHEEL DRIVE CONTROL MODULE (AT RIGHT KICK PANEL) FUSE GRY/BLK WIRE GRY/RED WIRE GRY/YEL WIRE HORNS SYSTEM HOT AT ALL TIMES HOT IN RUN INSTRUMENT CLUSTER LT BLU/BLK WIRE MICRO- PROCESSOR VPWR OFF REST ON HORN ORG GRN/ DK WIRE ORG/LT BLU WIRE ORG/YEL WIRE OUTPUT SHAFT SPEED (OSS) SENSOR (ON REAR OF TRANSMISSION) OVERHEAD CONSOLE POWERTRAIN CONTROL MODULE (PCM) (MOUNTED THROUGH FIREWALL) RED WIRE RED/ LT GRN WIRE RED/BLK WIRE RED/LT GRN WIRE RED/YEL WIRE REST RESUME SET/ REST SPEED CONT SW IN SPEED CONT SW GND VPWR SPEED CONTROL ACTUATOR (IN RIGHT REAR OF ENGINE COMPARTMENT) SPEED CONTROL INDICATOR STEERING WHEEL/ SPEED CONTROL SWITCH TAN/ORG WIRE VEHICLE SPEED INPUT BRAKE APPLIED IN VIO/ BLK WIRE VSS WINDSHIELD WIPER MOTOR (LEFT OF CENTER, AT REAR OF ENGINE COMPT) YEL/LT GRN WIRE

ABS IND. AIR BAG IND AJAR SW SNS AJAR SW SNS WARNING SW+ AUTOLAMP SENS + ANTI- THEFT IND ANTI-THEFT SYSTEM BLK WIRE BLK/LT GRN WIRE BLK/ORG WIRE BLK/PNK WIRE BLK/WHT WIRE BLK/YEL WIRE BRAKE FLUID LEVEL BRN/LT GRN WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LEFT CENTRAL SECURITY MODULE (BEHIND TOP RIGHT SIDE OF DASH) CHARGE IND CHECK ENGINE IND CHECK GAUGE COMPUTER DATA LINES SYSTEM CONN A CONN B CRUISE CONTROL SYSTEM ANTI-LOCK BRAKES SYSTEM DK BLU/LT GRN WIRE DK GRN WIRE DK GRN/WHT WIRE DOOR AJAR IND DRIVER SIDE FRONT DOOR AJAR SWITCH (IN REAR TOP OF DRIVER DOOR) DRIVER SIDE REAR DOOR AJAR SWITCH (IN TOP REAR OF LEFT REAR DOOR) ENGINE COOLANT TEMPERATURE GAUGE FOUR-WHEEL DRIVE CONTROL MODULE (AT RIGHT KICK PANEL) FUEL GAUGE FUEL TANK UNIT (UNDER LEFT SIDE OF VEHICLE, IN FUEL TANK) FUSE 14 FUSE 25 FUSE 27 FUSE 6 GRY WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HIGH BEAM IND HOT AT ALL TIMES HOT IN RUN OR ACC HOT IN START OR RUN IGNITION KEY SWITCH IGNITION SWITCH ILLUM INSTRUMENT CLUSTER INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM, POWER WINDOWS SYSTEM LH TURN SIGNAL IND LOW BRAKE FLUID LEVEL/PARK BRAKE IND LOW FUEL IND LOW OIL PRESSURE GAUGE LT BLU WIRE LT BLU/BLK WIRE LT BLU/RED WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/ORG WIRE LT GRN/RED WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE MICROPROCESSOR NCA WIRE OFF LOCK ORG/LT BLU WIRE ORG/LT GRN WIRE PARKING BRAKE SWITCH (AT LEFT KICK PANEL) PASSENGER SIDE FRONT DOOR AJAR SWITCH (IN REAR TOP OF PASSENGER DOOR) PASSENGER SIDE REAR DOOR AJAR SWITCH (IN TOP REAR OF PNK WIRE PNK/LT BLU WIRE POWERTRAIN CONTROL MODULE (PCM) (MOUNTED THROUGH FIREWALL) RED WIRE RED/BLK WIRE RED/YEL WIRE RH TURN SIGNAL IND RIGHT REAR DOOR RLY CTRL RUN WIRE SAFETY BELT IND SAFETY RLY CTRL BATTERY SAVER RLY CTRL SCP+ SCP- VREF GND SIDE OF DASH) SPEED CONTROL IND SPEEDOMETER STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM SWITCH (ON MASTER CYLINDER) TACHOMETER TAN/LT GRN WIRE TAN/ORG WIRE VIO/ORG WIRE VIO/WHT WIRE VOLTMETER WARNING SYSTEM WHT WIRE WHT/LT BLU WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/WHT WIRE

A/C CLUTCH FIELD COIL (AT LEFT FRONT OF ENGINE COMPARTMENT) A/C CLUTCH RELAY A/C COMPRESSOR CLUTCH DIODE A/C HIGH PRESSURE SWITCH (AT FRONT CENTER OF ENGINE COMPARTMENT) AUXILIARY RELAY BOX 1 (RIGHT SIDE OF ENGINE COMPARTMENT) BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF ENGINE COMPARTMENT, AT FENDER APRON) BLK WIRE BLK/LT GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER MOTOR RELAY BRN WIRE BRN/ORG WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LEFT SIDE OF DASH) FUSE 15 FUSE 28 FUSE 32 FUSE 7 GRY WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HEATER BLOWER MOTOR (AT RIGHT REAR OF ENGINE COMPARTMENT) HIGH SPEED FAN CONTROL RELAY HOT AT ALL TIMES HOT IN HOT IN RUN OR START LT BLU WIRE LT GRN/RED WIRE OF ENGINE COMPT) ORG/ WIRE ORG/BLK WIRE ORG/RED WIRE PNK WIRE PNK/LT BLU WIRE PNK/WHT WIRE PNK/YEL WIRE POWERTRAIN CONTROL MODULE (PCM) (MOUNTED THROUGH FIREWALL) RED WIRE RED/ORG WIRE RED/YEL WIRE RUN WIRE VIO WIRE W/ HIGH SERIES CENTER CONSOLE W/O HIGH SERIES CENTER CONSOLE WHT WIRE YEL WIRE

ANTI- THEFT "ON" IND BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF ENGINE COMPT, AT FENDER APRON) BLK WIRE BLK/WHT WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LEFT SIDE OF DASH) FUSE 2 DK BLU WIRE DK BLU/LT GRN WIRE DK BLU/ORG WIRE GRY/ORG WIRE HOT IN START OR RUN INSTRUMENT CLUSTER LT GRN WIRE MICRO- PROCESSOR ORG/ WIRE PASSIVE ANTI-THEFT TRANSCEIVER MODULE (IN STEERING WHEEL ASSEMBLY) POWERTRAIN CONTROL MODULE (PCM) (MOUNTED THROUGH FIREWALL) RED WIRE RED/LT GRN WIRE STARTER RELAY WHT WIRE WHT/LT GRN WIRE

0) OFF 1) HIGH 2) LOW 6) WASH BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF ENGINE COMPT, AT FENDER APRON) BLK WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LEFT SIDE OF DASH) DK BLU WIRE DK GRN WIRE FUSE 27 FUSE 9 GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN OR ACC LT GRN WIRE MULTI-FUNCTION SWITCH (ON STEERING COLUMN) ORG/ WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (MOUNTED THROUGH FIREWALL) RED WIRE REST RUN WIRE TAN WIRE VSS WHT WIRE WINDSHIELD WASHER PUMP MOTOR (IN WASHER RESERVOIR) WINDSHIELD WASHER RELAY WIPER HIGH/ LOW RELAY WIPER RUN/ PARK RELAY

A/C SYSTEM AIR CONDITIONING SYSTEM BATTERY JUNCTION BOX (LEFT SIDE OF ENGINE COMPARTMENT) BLK WIRE BLK/WHT WIRE BRN/ORG WIRE BRN/PNK WIRE CRANKSHAFT POSITION (CKP) SENSOR (LOWER FRONT OF ENGINE COMPT) DIGITAL TRANSMISSION RANGE SENSOR DK BLU WIRE DK BLU/ORG WIRE DK GRN/VIO WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE DLC BUS (-) DLC BUS (+) EGR INPUT FUEL GAUGE EPROM POWER FUSE 3 FUSE 32 FUSE 36 GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN OR START CENTRAL JUNCTION BOX (BEHIND LEFT SIDE OF DASH) FUSE 2 IGNITION COIL (CENTER REAR OF ENGINE COMPARTMENT) IGNITION TRANSFORMER CAPACITOR (CENTER REAR OF ENGINE COMPARTMENT) LT BLU/BLK WIRE LT BLU/YEL WIRE LT GRN WIRE LT GRN/RED WIRE NOT USED KS SENSOR ORG/BLK WIRE ORG/YEL WIRE PCM POWER DIODE PCM POWER RELAY PNK/LT BLU WIRE POWERTRAIN CONTROL MODULE (PCM) (MOUNTED THROUGH FIREWALL) PRES SENS INPUT RED WIRE RED/LT GRN WIRE RED/PNK WIRE RED/YEL WIRE ST CTRL RELAY STARTING/CHARGING SYSTEM TAN/LT BLU WIRE TAN/LT GRN WIRE TAN/ORG WIRE TAN/WHT WIRE TSS SENSOR VIO WIRE VIO/ORG WIRE VIO/WHT WIRE WHT/BLK WIRE YEL/BLK WIRE YEL/LT GRN WIRE YEL/WHT WIRE

A/C SYS A/C SYSTEM AUTOMATIC TRANSMISSION BATTERY JUNCTION BOX (LEFT SIDE OF ENGINE COMPT) BLK WIRE BLK/LT GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BRAKE PEDAL POSITION SWITCH (BPP) BRN/LT BLU WIRE BRN/LT GRN WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE CAMSHAFT POSITION SENSOR (ON REAR OF ENGINE) CENTRAL JUNCTION BOX (BEHIND LEFT SIDE OF DASH) CRUISE CONTROL, INSTRUMENT CLUSTER SYSTEMS DK BLU/ORG WIRE DK BLU/YEL WIRE DK GRN/WHT WIRE ELECTRONIC PRESSURE CONTROL (EPC) SOLENOID ENDS IN HARNESS FP RLY CTRL (EPC) SOLENOID FUEL INJ 5 FUEL INJ 3 FUEL INJ 1 (PWR) GROUND (PWR) GROUND IGNITION COIL 3 FUEL INJ 6 FUEL INJ 4 FUEL INJ 2 FUEL PRESSURE FUSE 24 FUSE 9 GRY WIRE GRY/BLK WIRE GRY/LT BLU WIRE GRY/ORG WIRE GRY/RED WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR HEATED OXYGEN SENSOR HEATED OXYGEN SENSOR HOT AT ALL TIMES IDLE AIR CONTROL VALVE (ON LEFT OF INTAKE MANIFOLD) LT BLU WIRE LT BLU/BLK WIRE LT BLU/ORG WIRE LT BLU/RED WIRE LT BLU/YEL WIRE LT GRN/ BLK WIRE LT GRN/BLK WIRE LT GRN/ORG WIRE MASS AIRFLOW SENSOR (RIGHT SIDE OF ENGINE COMPT) ORG/BLK WIRE ORG/YEL WIRE PNK/BLK WIRE PNK/YEL WIRE POWERTRAIN CONTROL MODULE (PCM) (MOUNTED THROUGH FIREWALL) RED/BLK WIRE RED/LT GRN WIRE RED/PNK WIRE RED/WHT WIRE RED/YEL WIRE SHIFT SOLENOIDS SOLID STATE TAN WIRE TAN/BLK WIRE TAN/LT BLU WIRE TAN/LT GRN WIRE TAN/YEL WIRE TORQUE CONVERTER CLUTCH (TCC) SOLENOID TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR TURBINE SHAFT SPEED (TSS) SENSOR VIO WIRE VIO/LT GRN WIRE VIO/ORG WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/LT BLU WIRE WHT/YEL WIRE YEL/LT BLU WIRE YEL/RED WIRE