PCM Inputs and Outputs at PCM Connector A (□) (49P)
| Terminal number | Wire color | Terminal name | Description | Signal | ||||
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| 1 | WHT | VBSOL2 (POWER SOURCE FOR SOLENOID VALVES) | Power source for solenoid valves | With ignition switch ON (II): battery voltage | ||||
| 2 | PNK | SLS (SHIFT LOCK SOLENOID) | Drives shift lock solenoid | With ignition switch ON (II), in P, brake pedal pressed, and accelerator released: about 0 V | ||||
| 3 | LT GRN | STRLY (STARTER RELAY) | Drives starter cut relay | With ignition switch ON (II): about 0 V | ||||
| 4 | WHT | FANL (RADIATOR FAN CONTROL) | Drives A/C condenser fan relay | With condenser fan running: about 0 V With condenser fan stopped: battery voltage |
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| 5 | PUR | FANH (RADIATOR FAN CONTROL) | Drives radiator fan relay | With radiator fan running: about 0 V With radiator fan stopped or running at low speed: battery voltage |
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| 6 | GRN | MRLY (PGM-FI MAIN RELAY 1) | Drives PGM-FI main relay 1 | With ignition switch ON (II): about 0 V With ignition switch in LOCK (0): battery voltage |
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| 7 | BRN | BKSWNC (BRAKE PEDAL POSITION SWITCH) | Detects brake pedal position switch signal | With ignition switch ON (II) and brake pedal released: battery voltage With ignition switch ON (II) and brake pedal pressed: about 0 V |
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| 8 | LT GRN | BKSW (BRAKE PEDAL POSITION SWITCH) | Detects brake pedal position switch signal | With brake pedal released: about 0 V With brake pedal pressed: battery voltage |
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| 9 | BLK | VG - (MASS AIR FLOW (MAF) SENSOR - SIDE) | Ground for MAF sensor signal | |||||
| 10 | ORN | ELD (ELECTRICAL LOAD DETECTOR (ELD)) | Detects ELD signal | With ignition switch ON (II): about 0.1-4.8 V (depending on electrical load) | ||||
| 11 | BRN | IMOFPR (IMMOBILIZER FUEL PUMP RELAY) | Drives PGM-FI main relay 2 | About 0 V for 2 seconds after turning ignition switch ON (II), then battery voltage | ||||
| 12 | BLU | MCS (ENGINE MOUNT CONTROL SOLENOID VALVE) | Drives engine mount control solenoid valve | At idle: about 0 V Above idle: battery voltage | ||||
| 13 | RED | ACC (A/C COMPRESSOR CLUTCH RELAY) | Drives A/C compressor clutch relay | With compressor ON: about 0 V With compressor OFF: battery voltage |
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| 16(1) | GRN | ATPP (TRANSMISSION RANGE SWITCH P) | Detects transmission range switch P position signal | In P: about 0 V In any position other than P: more than 5.0 V |
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| 16(2) | GRN | ATPP (TRANSMISSION RANGE SWITCH P) | Detects transmission range switch P position signal | In P: about 0 V In any position other than P: battery voltage |
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| 18 | PUR | APSA (ACCELERATOR PEDAL POSITION (APP) SENSOR A) | Detects APP sensor A signal | With ignition switch ON (II) and accelerator pedal pressed: about 4.7 V With ignition switch ON (II) and accelerator pedal released: about 1.0 V |
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NOTE:
Check the label on the PCM to see if it was made by Keihin or Continental. Refer to the GENERAL TROUBLESHOOTING INFORMATION for more details.
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| Terminal number | Wire color | Terminal name | Description | Signal | ||
|---|---|---|---|---|---|---|
| 19 | LT GRN | APSB (ACCELERATOR PEDAL POSITION (APP) SENSOR B) | Detects APP sensor B signal | With ignition switch ON (II) and accelerator pedal pressed: about 2.3 V With ignition switch ON (II) and accelerator pedal released: about 0.5 V |
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| 20 | RED | VG+ (MASS AIR FLOW (MAF) SENSOR +SIDE) | Detects MAF sensor signal | At idle: about 1.1 - 1.6 V (between VG + terminal and VG- terminal) | ||
| 21 | PUR | ECT2 (ENGINE COOLANT TEMPERATURE (ECT) SENSOR 2) | Detects ECT sensor 2 signal | With ignition switch ON (II): about 0.1-4.8 V (depending on engine coolant temperature) | ||
| 22 | LT GRN | VSV (EVAPORATIVE EMISSION (EVAP) CANISTER VENT SHUT VALVE) | Drives EVAP canister vent shut valve | With ignition switch ON (II): battery voltage | ||
| 23(1) | GRN | VBUM (VOLTAGE BACK UP) | Power source for PCM memory | Battery voltage at all times | ||
| 24 | RED | VCC3 (SENSOR VOLTAGE) | Provides sensor reference voltage | With ignition switch ON (II): about 5.0 V | ||
| 25 | ORN | VCC4 (SENSOR VOLTAGE) | Provides sensor reference voltage | With ignition switch ON (II): about 5.0 V | ||
| 26 | WHT | SG3 (SENSOR GROUND) | Sensor ground | Less than 0.2 V at all times | ||
| 27 | GRN | SG4 (SENSOR GROUND) | Sensor ground | Less than 0.2 V at all times | ||
| 28 | PNK | STRLD (STARTER SIGNAL LOAD) | Detects starter cut relay 2 | With ignition switch in START (III): battery voltage | ||
| 29 | BLU | ETCSRLY (ELECTRONIC THROTTLE CONTROL SYSTEM (ETCS) CONTROL RELAY) | Drives electronic throttle control system (ETCS) control relay | With ignition switch ON (II): about 0 V | ||
| 30 | BLU | VSSOUT (VEHICLE SPEED SIGNAL OUTPUT) | Sends vehicle speed signal | Depending on vehicle speed: pulses | ||
| 31 | LT BLU | STS (STARTER SWITCH SIGNAL) | Detects starter switch signal | With ignition switch in START (III): battery voltage With ignition switch in any position other than START (III): about 0 V |
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| 32 | BRN | SCS (SERVICE CHECK SIGNAL) | Detects service check signal | With service check signal shorted using the HDS: about 0 V With service check signal opened: about 5.0 V |
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| 36 | GRIM | SUPP (PADDLE SHIFTER+ (UPSHIFT SWITCH)) | Detects paddle shifter- (- (upshift switch) signal | With ignition switch ON (II) and paddle shifter+ (upshift switch) pressed: about 0 V With paddle shifter+ (upshift switch) released: battery voltage |
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| 37 | BLU | SDNP (PADDLE SHIFTER- (DOWNSHIFT SWITCH)) | Detects paddle shifter- (downshift switch) signal | With ignition switch ON (II) and paddle shifter- (downshift switch) pressed: about 0 V With paddle shifter- (downshift switch) released: battery voltage |
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NOTE:
Check the label on the PCM to see if it was made by Keihin or Continental. Refer to the GENERAL TROUBLESHOOTING INFORMATION for more details.
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| Terminal number | Wire color | Terminal name | Description | Signal | ||
|---|---|---|---|---|---|---|
| 38 | PNK | PSPSW (POWER STEERING PRESSURE SWITCH SIGNAL) | Detects PSP switch signal | At idle with steering wheel straight ahead: about 0 V At idle with steering wheel at full lock: battery voltage |
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| 39 | LT GRN | FTP (FUEL TANK PRESSURE (FTP) SENSOR) | Detects FTP sensor signal | With ignition switch ON (II) and fuel fill cap removed: about 2.5 V | ||
| 40 | RED | SUBRLY (PGM-FI SUBRELAY) | Drives PGM-FI subrelay | With ignition switch ON (II): about 0 V | ||
| 41 | BRN | LG3 (LOGIC GROUND) | Ground circuit for PCM | Less than 0.2 V at all times | ||
| 42 | LT BLU | FPCD (FUEL PUMP CONTROL MODULE DIAGNOSIS) | Detects fuel pump control module diagnosis | With ignition switch ON (II): about 5.0 V At idle: about 10.0 V |
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| 43 | PNK | FPC (FUEL PUMP CONTROL) | Detects fuel pump control module signal | With ignition switch ON (II): pulses | ||
| 44-3 | GRY | WEN (WRITE ENABLE SIGNAL) | Detects write enable signal | With ignition switch ON (II): about 0 V | ||
| 46 | LT GRN | S-NET5V (SERIAL COMMUNICATION FOR IMMOBILIZER) | Sends serial communication signal | With ignition switch ON (II): pulses With key removed from ignition switch: about 5.0 V | ||
| 48 | WHT | F-CAN A H (F-CAN COMMUNICATION SIGNAL A HIGH) | Sends and receives communication signal | With ignition switch ON (II): pulses | ||
| 49 | RED | F-CAN A L (F-CAN COMMUNICATION SIGNAL A LOW) | Sends and receives communication signal | With ignition switch ON (II): pulses | ||
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