ECM/PCM Inputs and Outputs at Connector A (□) (44P)
NOTE:
Standard battery voltage is about 12 V.
BATTERY VOLTAGE REFERENCE
| Terminal number | Wire color | Terminal name | Description | Signal | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 4 | PUR | FANL (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 | GRY | FANH (RADIATOR FAN CONTROL) | Drives A/C condenser fan relay | With A/C condenser fan running: about 0 V With A/C condenser fan stopped: battery voltage |
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| 6 | GRN | MRLY (PGM-FI MAIN RELAY 1) | Drives PGM-FI main relay 1 Power source for DTC memory |
With ignition switch ON (II): about 0 V With ignition switch OFF: battery voltage |
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| 8 | ORN | IGP (POWER SOURCE) | Power source for ECM/PCM circuit | With ignition switch ON (II): battery voltage | ||||||
| 9 | BLK | SG6 (SENSOR GROUND) | Sensor ground | Less than 1.0 Vat all times | ||||||
| 10 | LT GRN | VSV (EVAPORATIVE EMISSION (EVAP) CANISTER VENT SHUT VALVE) | Drives EVAP canister vent shut valve | With ignition switch ON (II): battery voltage | ||||||
| 14 | 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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| 15 | BRN | IMOFPR (IMMOBILIZER FUEL PUMP RELAY) | Drives PGM-FI main relay 2 (FUEL PUMP) | About 0 V for 2 seconds after turning ignition switch ON (II), then battery voltage | ||||||
| 16 | LT GRN | ACPD (A/C PRESSURE SENSOR) | Detects A/C pressure sensor signal | With A/C switch ON: about 1.7-4.8 V (depending on A/C pressure) | ||||||
| 17 | YEL | 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 0.5 V |
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| 18 | PUR | 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 0.25 V |
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| 19 | RED | VCC6 (SENSOR VOLTAGE) | Provides sensor reference voltage | With ignition switch ON (II): about 5.0 V | ||||||
| 20 | YEL | ETCSRLY (ELECTRONIC THROTTLE CONTROL SYSTEM (ETCS) CONTROL RELAY) | Drives electronic throttle control system (ETCS) control relay | With ignition switch ON (II): about 0 V (4.0 V momentarily) | ||||||
| 21 | PNK | SUBRLY (PGM-FI SUBRELAY) | Drives PGM-FI subrelay | With ignition switch ON (II): about 0 V | ||||||
| 23 | ORN | ELD (ELECTRICAL LOAD DETECTOR (ELD)) | Detects ELD signal | With ignition switch ON (II): about 0.1-4.8 V (depending on electrical load) | ||||||
| 24 | GRY | VCC5 (SENSOR VOLTAGE) | Provides sensor reference voltage | With ignition switch ON (II): about 5.0 V | ||||||
| 25 | BRN | VCC4 (SENSOR VOLTAGE) | Provides sensor reference voltage | With ignition switch ON (II): about 5.0 V | ||||||
| 26 | LT GRN | FTP (FUELTANK PRESSURE (FTP) SENSOR) | Detects FTP sensor signal | With ignition switch ON (II) and fuel fill cap removed: about 2.5 V | ||||||
| 27(1) | PNK | SLS (SHIFT LOCK SOLENOID) | Drives shift lock solenoid | With ignition switch ON (II), in P position, brake pedal pressed, and accelerator released: battery voltage | ||||||
| 27(3) | GRN | RVS (REVERSE LOCKOUT SOLENOID) | Drives reverse lockout solenoid | With vehicle speed below 15 km/h (9 mph): battery voltage With vehicle speed above 20 km/h (13 mph): about 0 V |
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| 28 | BLU | NEP (ENGINE SPEED PULSE) | Outputs engine speed pulse | With engine running: pulses | ||||||
| 29 | BLU | VSSOUT (VEHICLE SPEED SIGNAL OUTPUT) | Sends vehicle speed signal | Depending on vehicle speed: pulses | ||||||
| 31 | BRN | SCS (SERVICE CHECK SIGNAL) | Detects service check signal | With service check signal shorted using HDS: about 0 V With service check signal opened: about 5.0 V |
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| 33 | GRN | 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) | ||||||
| 34 | LT BLU | SG5 (SENSOR GROUND) | Sensor ground | Less than 1.0 Vat all times | ||||||
| 35 | BLU | SG4 (SENSOR GROUND) | Sensor ground | Less than 1.0 V at all times | ||||||
| 36 | WHT | CANH (CAN COMMUNICATION SIGNAL HIGH) | Sends communication signal | With ignition switch ON (II): about 2.5 V (pulses) | ||||||
| 37 | RED | CANL (CAN COMMUNICATION SIGNAL LOW) | Sends communication signal | With ignition switch ON (II): about 2.5 V (pulses) | ||||||
| 39 | 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 Dressed: about 0 V |
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| 40 | LT GRN | BKSW (BRAKE PEDAL POSITION SWITCH) | Detects brake pedal position switch signal | With brake pedal released: about 0 V With brake pedal Dressed: battery voltage |
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| 41(2) | LT BLU | CRMTCLS (CRUISE CLUTCH PEDAL POSITION SIGNAL) | Detects clutch pedal position switch signal | With ignition switch ON (II) and clutch pedal released: about 0 V With ignition switch ON (II) and clutch pedal Dressed: battery voltage |
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| 42 | RED | WEN (WRITE ENABLE SIGNAL) | Detects write enable signal | With ignition switch ON (II): about 0 V | ||||||
| 44 | PNK | S-NET5V (SERIAL COMMUNICATION FOR IMMOBILIZER) | Sends serial communication signal | With ignition switch ON (II): pulses With ignition switch OFF: about 5.0 V |
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