ECM/PCM Inputs and Outputs at Connector E (31P)
NOTE:
Standard battery voltage is about 12 V.
TERMINALS REFERENCE CHART
| Terminal number | Wire color | Terminal name | Description | Signal | ||||
|---|---|---|---|---|---|---|---|---|
| 1 | GRN/BLK | SG4 (SENSOR GROUND) | Sensor ground | Less than 1.0 V at all times | ||||
| 2 | BLK | IMOFPR (IMMOBILIZER FUEL PUMP RELAY) | Drives PGM-FI main relay 2 | 0 V for 2 seconds after turning ignition switch ON (II), then battery voltage | ||||
| 3 | WHT/RED | ETCSRLY (THROTTLE ACTUATOR CONTROL MODULE RELAY) | Drives throttle actuator control module relay | With ignition switch ON (II): about 0 V | ||||
| 4 | GRN | AFSHTCR (AIR FUEL RATIO (A/F) SENSOR RELAY) | Drives A/F sensor relay | With ignition switch ON (II): about 0 V | ||||
| 5 | PNK | MRLY (PGM-FI MAIN RELAY) | 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 |
||||
| 6 | PUR | FANL (RADIATOR FAN CONTROL) | Drives A/C condenser fan relay | With ignition switch ON (II): battery voltage | ||||
| 7(2) | PNK | FPC (FUEL PUMP CONTROL) | Detects fuel pump control signal | With ignition switch ON (II): pulses With ignition switch OFF: about 0 V |
||||
| 8 | WHT/BLK | BKSW (BRAKE PEDAL POSITION SWITCH) | Detects brake pedal position switch signal | With brake pedal released: about 0 V With brake pedal pressed: battery voltage |
||||
| 9 | 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 |
||||
| 10 | LT GRN/RED | VSV (EVAPORATIVE EMISSION (EVAP) CANISTER VENT SHUT VALVE) | Drives EVAP canister vent shut valve | With ignition switch ON (II): battery voltage | ||||
| 11 | LT BLU | VSSOUT (VEHICLE SPEED SENSOR OUTPUT SIGNAL) | Sends vehicle speed signal | Depending on vehicle speed: pulses | ||||
| 12 | YEL/WHT | VCC4 (SENSOR VOLTAGE) | Provides sensor voltage | With ignition switch ON (II): about 5.0 V With ignition switch OFF: about 0 V |
||||
| 13(1) | WHT/BLU | SDN (DOWNSHIFT SWITCH) | Detects downshift switch signal | In M position and shift lever pushed toward downshift position: about 0 V In M position and shift lever in neutral position: battery voltage |
||||
| 15 | WHT | CANH (CAN COMMUNICATION SIGNAL HIGH) | Sends communication signal | With ignition switch ON (II): pulses | ||||
| 16 | BRN | SCS (SERVICE CHECK SIGNAL) | Detects service check signal | With the service check signal shorted with the HDS: about 0 V With the service check signal opened: about 5.0 V |
||||
| 17 | GRY | 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 |
||||
|
||||||||
NOTE:
Standard battery voltage is about 12 V.
TERMINALS REFERENCE CHART
| Terminal number | Wire color | Terminal name | Description | Signal | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 18 | WHT | ELD (ELECTRICAL LOAD DETECTOR (ELD)) | Detects ELD signal | With ignition switch ON (II): about 0.1-4.8 V (depending on electrical load) | ||||||
| 19(1) | BRN/WHT | SUP (UPSHIFT SWITCH) | Detects upshift switch signal | In M position and shift lever pushed toward upshift position: about 0 V In M position and shift lever in neutral position: battery voltage |
||||||
| 20(3) | LT BLU | FPCD (FUEL PUMP CONTROL MODULE DIAGNOSIS) | Detect fuel pump control module diagnosis | With ignition switch ON (II): about 0 V At idle: about 10.0 V |
||||||
| 21(1) | BLU/GRN | STRLY (STARTER CUT RELAY) | Drives starter cut relay 2 | With ignition switch ON (II): about 0 V | ||||||
| 22(1) | YEL/BLK | SLS (SHIFT LOCK SOLENOID) | Drives shift lock solenoid | With ignition switch ON (II), in P position, brake Pedal pressed, and accelerator released: about 0 V | ||||||
| 22(2) | WHT | RVS (REVERSE LOCKOUT SOLENOID) | Drives reverse lockout solenoid | With vehicle speed below 9 mph (15 km/h): battery voltage With vehicle speed above 12 mph (20 km/h): about 0 V |
||||||
| 23 | WHT/GRN | NEP (ENGINE SPEED PULSE) | Outputs engine speed pulse | With engine running: pulses | ||||||
| 24 | RED/WHT | WEN (WRITE ENABLE SIGNAL) | Detects write enable signal | With ignition switch ON (II): about 0 V | ||||||
| 25 | YEL | IMOCD (IMMOBILIZER CODE) | Detects immobilizer signal | |||||||
| 26 | RED | CANL (CAN COMMUNICATION SIGNAL LOW) | Sends communication signal | With ignition switch ON (II): pulses | ||||||
| 27 | RED | ACC (A/C COMPRESSOR CLUTCH RELAY) | Drives A/C compressor clutch relay | With compressor ON: about 0 V With compressor OFF: battery voltage |
||||||
| 29 | 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 | ||||||
| 30(1) | ORN | SMODE (SEQUENTIAL SPORT SHIFT MODE) | Detects sequential sport shift mode switch signal | In M position: about 0 V In any other than M: battery voltage |
||||||
| 30(2) | LT BLU | CRMCLS (CRUISE CLUTCH PEDAL POSITION SIGNAL) | Detects clutch pedal position switch signal | With ignition switch ON (II) and clutch pedal pressed: about 0 V With ignition switch ON (II) and clutch pedal released: battery voltage |
||||||
|
||||||||||