PCM Inputs and Outputs at Connector A (□) (49P)
NOTE:
Standard battery voltage is about 12 V.
BATTERY VOLTAGE SPECIFICATION
| Terminal number | Wire color | Terminal name | Description | Signal | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | ORN | VBSOL2 (POWER SOURCE FOR SOLENOID VALVES) | Power source for solenoid valve | With ignition switch ON (II): battery voltage | ||||||
| 2 | YEL/BLK | SLS (SHIFT LOCK SOLENOID) | Drives shift lock solenoid | With ignition switch ON (II), in P, brake pedal pressed, and accelerator released: about 0 V | ||||||
| 4(1) | GRN/YEL | 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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| 4(2) | GRN/YEL | FANL (RADIATOR RAN CONTROL) | Drives radiator fan relay | With radiator fan stopped or running at low speed: battery voltage With radiator fan running at high speed: about 0V |
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| 5(1) | GRN | FANH (RADIATOR FAN CONTROL) | Drives radiator fan relay | With radiator fan running: about 0 V With radiator fan stopped: battery voltage |
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| 5(2) | GRN | FANH (RADIATOR FAN CONTROL) | Drives A/C condenser fan relay | With condenser fan stopped: battery voltage With condenser fan running : about 0V |
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| 6 | RED/YEL | MRLY (PGM-FI MAIN RELAY 1) | Drives PGM-FI main relay 1 Power source for the DTC memory | With ignition switch ON (II): about 0 V With ignition switch OFF: battery voltage |
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| 7 | BRN/YEL | 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 BLU | 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 | BLU/BLK | ELD (ELECTRICAL LOAD DETECTOR (ELD)) | Detects ELD signal | With ignition switch ON (II): about 0.1-4.8 V (depending on electrical load) | ||||||
| 11 | GRN/WHT | IMOFPR (IMMOBIUZER FUEL PUMP RELAY) | Drives PGM-FI main relay 2 (FUEL PUMP) | 0 V for 2 seconds after turning ignition switch ON (II), then battery voltage | ||||||
| 13 | RED | ACC (A/C CLUTCH RELAY) | Drives A/C clutch relay | With compressor ON: about 0 V With compressor OFF: battery voltage |
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| 16 | BLU/BLK | 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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| 17 | GRN | D3SW (D3 SWITCH) | Detects D3 switch signal | With D3 switch released: battery voltage With D3 switch pressed: about 0 V |
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| 18 | ORN | 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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| 19 | YEL | 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 with fully warmed up engine and no electrical load: about 1.1-1.6 V (between VG+ terminal and VG- terminal) | ||||||
| 21 | GRN/RED | 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/RED | VSV (EVAPORATIVE EMISSION (EVAP) CANISTER VENT SHUT VALVE) | Drives EVAP canister vent shut valve | With ignition switch ON (II): battery voltage | ||||||
| 24 | GRN | VCC3 (SENSOR VOLTAGE) | Provides sensor reference voltage | With ignition switch ON (II): about 5.0 V | ||||||
| 25 | WHT | VCC4 (SENSOR VOLTAGE) | Provides sensor reference voltage | With ignition switch ON (II): about 5.0 V | ||||||
| 26 | BLK | SG3 (SENSOR GROUND) | Sensor ground | Less than 1.0 Vat all times | ||||||
| 27 | RED | SG4 (SENSOR GROUND) | Sensor ground | Less than 1.0 Vat all times | ||||||
| 29 | BRN | 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(3) | BLU/WHT | 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 with the HDS: about 0 V With service check signal open: about 5.0 V |
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| 33 | BLU | NEP (ENGINE SPEED PULSE) | Outputs engine speed pulse | With engine running: pulses | ||||||
| 36 | YEL/BLU | VCC7 (SENSOR VOLTAGE) | Provides sensor reference voltage | With ignition switch ON (II): about 5.0 V | ||||||
| 37 | GRN/YEL | SG7 (SENSOR GROUND) | Sensor ground | Less than 1.0 Vat all times | ||||||
| 38 | BLU/YEL | PSPSW (POWER STEERING PRESSURE SWITCH SIGNAL) | Detects PSP switch signal | At idle with steering wheel in straight ahead position: 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 | ORN | SUB RLY (PGM-FI SUBRELAY (LAF)) | Drives PGM-FI subrelay (LAF) | With ignition switch ON (II): about 0 V | ||||||
| 41 | BRN/YEL | LG3 (LOGIC GROUND) | Ground circuit for PCM | Less than 1.0 V at all times | ||||||
| 44(1) | RED/WHT | WEN (WRITE ENABLE SIGNAL) | Detects write enable signal | With ignition switch ON (II): about 0 V | ||||||
| 46 | RED/BLU | S-NET5V (SERIAL COMMUNICATION FOR IMMOBILIZED | Sends serial communication signal | With ignition switch ON (II): pulses With key removed from the ignition switch: about 5.0 V |
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| 48 | WHT | CANH (CAN COMMUNICATION SIGNAL HIGH) | Sends communication signal | With ignition switch ON (II): pulses | ||||||
| 49 | RED | CANL (CAN COMMUNICATION SIGNAL LOW) | Sends communication signal | With ignition switch ON (II): pulses | ||||||
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