PCM Inputs and Outputs at Connector A (31P)
NOTE:
Standard battery voltage is 12 V.
CONNECTOR A (31P) TERMINALS REFERENCE
| Terminal number | Wire color | Terminal name | Description | Signal |
|---|---|---|---|---|
| 1 | BLK/WHT | PO2SHTC (PRIMARY HEATED OXYGEN SENSOR (PRIMARY HO2S) HEATER CONTROL) | Drives primary HO2S (Sensor 1) heater | With ignition switch ON (II): battery voltage With fully warmed up engine running: duty controlled |
| 2 | YEL/BLK | IGP2 (POWER SOURCE) | Power source for the PCM circuit | With the ignition switch ON (II): battery voltage With the ignition switch OFF: about 0 V |
| 3 | YEL/BLK | IGP1 (POWER SOURCE) | Power source for the PCM circuit | With the ignition switch ON (II): battery voltage With the ignition switch OFF: about 0 V |
| 4 | BLK | PG2 (POWER GROUND) | Ground for the PCM circuit | Less than 1.0 V at all times |
| 5 | BLK | PG1 (POWER GROUND) | Ground for the PCM circuit | Less than 1.0 V at all times |
| 6 | WHT | PHO2S (PRIMARY HEATED OXYGEN SENSOR (PRIMARY HO2S), SENSOR 1) | Detects primary HO2S sensor (sensor 1) signal | With throttle fully opened from idle with fully warmed up engine: about 0.6 V With throttle quickly closed: below 0.4 V |
| 7 | BLU | CKP (CRANKSHAFT POSITION (CKP) SENSOR) | Detects CKP sensor signal | With engine running: pulses |
| 10 | GRN/YEL | SG2 (SENSOR GROUND) | Sensor ground | Less than 1.0 V at all times |
| 11 | GRN/WHT | SG1 (SENSOR GROUND) | Sensor ground | Less than 1.0 V at all times |
| 12 | BLK/RED | IACV (IDLE AIR CONTROL (IAC) VALVE) | Drives IAC valve | With engine running: duty controlled With ignition switch ON (II): about 5 V |
| 14 | BLK/WHT | SO2SHTC (SECONDARY HEATED OXYGEN SENSOR (SECONDARY HO2S) (Sensor 2) HEATER CONTROL) | Drives secondary HO2S (Sensor 2) heater | With ignition switch ON (II): battery voltage With fully warmed up engine running: duty controlled |
| 15 | RED/BLK | TPS (THROTTLE POSITION (TP) SENSOR) | Detects TP sensor signal | With throttle fully open: about 4.8 V With throttle fully closed: about 0.5 V |
| 17 | BRN/WHT | INJ MODE (FUEL INJECTOR CURRENT CONTROL) | Changes Injector driver mode. | 5 V for 100 ms after turning ignition switch ON (II), then 0 V (intake air and/or fuel temperature below 0 °C) |
| 18 | BLU/WHT | VEL2 (CVT SPEED SENSOR) | Detects CVT speed sensor 2 | Depending on vehicle speed: pulses when vehicle is stopped: about 0 V or 5 V |
| 19 | GRN/RED | MAP (MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR) | Detects MAP sensor signal | With ignition switch ON (II): about 3 V At idle: about 1.0 V (depending on engine speed) |
| 20 | YEL/BLU | VCC2 (SENSOR VOLTAGE) | Provides sensor voltage | With ignition switch ON (II): about 5 V With ignition switch OFF: about 0 V |
| 21 | YEL/RED | VCC1 (SENSOR VOLTAGE) | Provides sensor voltage | With ignition switch ON (II): about 5 V With ignition switch OFF: about 0 V |
| 23 | BRN/YEL | LG2 (LOGIC GROUND) | Ground for the PCM circuit | Less than 1.0 V at all times |
| 24 | BRN/YEL | LG1 (LOGIC GROUND) | Ground for the PCM circuit | Less than 1.0 V at all times |
| 25 | WHT/RED | SHO2S (SECONDARY HEATED OXYGEN SENSOR (SECONDARY HO2S), SENSOR 2) | Detects secondary HO2S (sensor 2) signal | With throttle fully opened from idle with fully warmed up engine: about 0.6 V With throttle quickly closed: below 0.4 V |
| 26 | GRN | CMP (TDC) (CAMSHAFT SPEED (CMP) SENSOR (TOP DEAD CENTER (TDC) SENSOR)) | Detects CMP (TDC) sensor | With engine running: pulses |
| 27 | BRN | IGPLS4 (No. 4 IGNITION COIL PULSE) | Drives No. 4 ignition coil | With ignition switch ON (II): about 0 V With engine running: pulses |
| 28 | WHT/BLU | IGPLS3 (No. 3 IGNITION COIL PULSE) | Drives No. 3 ignition coil | |
| 29 | BLU/RED | IGPLS2 (No. 2 IGNITION COIL PULSE) | Drives No. 2 ignition coil | |
| 30 | YEL/GRN | IGPLS1 (No. 1 IGNITION COIL PULSE) | Drives No. 1 ignition coil |
NOTE:
Standard battery voltage is 12 V.
CONNECTOR B (24P) TERMINALS REFERENCE
| Terminal number | Wire color | Terminal name | Description | Signal |
|---|---|---|---|---|
| 2 | YEL | INJC4 (No. 4 INJECTOR CONTROL) | Drives No. 4 injector | With ignition switch ON (II): battery voltage At idle: duty controlled |
| 3 | BLU | INJC3 (No. 3 INJECTOR CONTROL) | Drives No. 3 injector | |
| 4 | RED | INJC2 (No. 2 INJECTOR CONTROL) | Drives No. 2 injector | |
| 5 | BRN | INJC1 (No. 1 INJECTOR CONTROL) | Drives No. 1 injector | |
| 6 | GRN | FANC (RADIATOR FAN CONTROL) | Drives radiator fan relay | With radiator fan running: about 0 V With radiator fan stopped: battery voltage |
| 7 | GRN/WHT | HLCLS+ (CVT PULLEY PRESSURE CONTROL VALVE +SIDE) | Drives CVT pulley pressure control valve | With the ignition switch ON (II): duty controlled |
| 8 | RED/WHT | ECT (ENGINE COOLANT TEMPERATURE (ECT) SENSOR) | Detects ECT sensor signal | With the ignition switch ON (II): about 0.1-4.8 V (depending on engine coolant temperature) |
| 10 | WHT/BLU | ALTL (ALTERNATOR L SIGNAL) | Detects alternator L signal | With ignition switch ON (II): about 0 V With engine running: battery voltage |
| 13 | WHT/RED | ALTF (ALTERNATOR FR SIGNAL) | Detects alternator FR signal | With engine running: 0-5 V (depending on electrical load) |
| 16 | YEL/GRN | SCLS+ (CVT START CLUTCH PRESSURE CONTROL VALVE +SIDE) | Detects CVT start clutch pressure control valve | With ignition switch ON (II): duty controlled |
| 17 | RED/YEL | IAT (INTAKE AIR TEMPERATURE (IAT) SENSOR) | Detects IAT sensor signal | With ignition switch ON (II): about 0.1-4.8 V (depending on intake air temperature) |
| 18 | WHT/GRN | ALTC (ALTERNATOR CONTROL) | Sends alternator control signal | With engine running: about 0-5 V (depending on electrical load) |
| 24 | BLU/WHT | SHLS+ (CVT SPEED CHANGE CONTROL VALVE + SIDE) | Drives CVT speed change control valve | With ignition switch ON (II): duty controlled |