ECM/PCM Inputs and Outputs at Connector A (31P)
NOTE:
Standard battery voltage is about 12 V.
BATTERY VOLTAGE SPECIFICATION
| Terminal number | Wire color | Terminal name | Description | Signal | ||||
|---|---|---|---|---|---|---|---|---|
| 1 | RED/BLU | KS (KNOCK SENSOR) | Detects knock sensor signal | With engine knocking: pulses | ||||
| 2 | YEL/BLK | IGP2 (POWER SOURCE) | Power source for ECM/PCM circuit | With ignition switch ON (II): battery voltage With ignition switch OFF: about 0 V | ||||
| 3 | YEL/BLK | IGP1 (POWER SOURCE) | Power source for ECM/PCM circuit | With ignition switch ON (II): battery voltage With ignition switch OFF: about 0 V | ||||
| 4 | BLK | PG2 (POWER GROUND) | Ground circuit for ECM/PCM | Less than 0.5 V at all times | ||||
| 5 | BLK | PG1 (POWER GROUND) | Ground circuit for ECM/PCM | Less than 0.5 V at all times | ||||
| 6 | GRN | CMP (CAMSHAFT POSITION SENSOR) | Detects CMP sensor signal | With engine running: pulses With ignition switch ON (II): about 5.0 V | ||||
| 7 | BLU | CKP (CRANKSHAFT POSITION SENSOR) | Detects CKP sensor signal | With engine running: pulses With ignition switch ON (II): about 0 V or about 5.0 V | ||||
| 8 | BRN/YEL | LG2 (LOGIC GROUND) | Ground circuit for ECM/PCM | Less than 0.5 V at all times | ||||
| 9 | BRN/YEL | LG1 (LOGIC GROUND) | Ground circuit for ECM/PCM | Less than 0.5 V at all times | ||||
| 10 | BLK/WHT | AFSHTC (AIR FUEL RATIO (A/F) SENSOR HEATER CONTROL) | Drives A/F sensor heater | With ignition switch ON (II): battery voltage With fully warmed up engine running: duty controlled | ||||
| 13 | WHT/BLU | IGPLS4 (No. 4 IGNITION COIL PULSE) | Drives No. 4 ignition coil | With ignition switch ON (II): about 0 V With engine running: pulses | ||||
| 14 | WHT/BLK | IGPLS3 (No. 3 IGNITION COIL PULSE) | Drives No. 3 ignition coil | |||||
| 15 | WHT/GRN | IGPLS2 (No. 2 IGNITION COIL PULSE) | Drives No. 2 ignition coil | |||||
| 16 | WHT | IGPLS1 (No. 1 IGNITION COIL PULSE) | Drives No. 1 ignition coil | |||||
| 18(2) | BLK/BLU | NC (COUNTERSHAFT SPEED SENSOR) | Detects output shaft (countershaft) speed sensor signal | With ignition switch ON (II): about 0 V or about 5.0 V While driving: about 2.5 V | ||||
| 18(1) | WHT/GRN | VSS (VEHICLE SPEED SENSOR) | Detects VSS signal | With ignition switch ON (II) and front wheels turning: pulses 0 to 5.0 V | ||||
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NOTE:
Standard battery voltage is about 12 V.
BATTERY VOLTAGE SPECIFICATION
| Terminal number | Wire color | Terminal name | Description | Signal |
|---|---|---|---|---|
| 20 | YEL/BLU | VCC2 (SENSOR VOLTAGE) | Provides sensor voltage | With ignition switch ON (II): about 5.0 V With ignition switch OFF: about 0 V |
| 21 | YEL/RED | VCC1 (SENSOR VOLTAGE) | Provides sensor voltage | With ignition switch ON (II): about 5.0 V With ignition switch OFF: about 0 V |
| 23 | GRN/BLK | SG2 (SENSOR GROUND) | Sensor ground | Less than 0.5 V at all times |
| 24 | GRN/WHT | SG1 (SENSOR GROUND) | Sensor ground | Less than 0.5 V at all times |
| 28 | RED | AFS- (AIR FUEL RATIO (A/F) SENSOR, SENSOR 1 -SIDE) | Detects A/F sensor (sensor 1) signal | |
| 30 | RED/GRN | MAP (MANIFOLD ABSOLUTE PRESSURE SENSOR) | Detects MAP sensor signal | With ignition switch ON (II): about 3.0 V At idle: about 1.0 V (depending on engine speed) |
| 31 | GRN | AFS+ (AIR FUEL RATIO (A/F) SENSOR, SENSOR 1 +SIDE) | Detects A/F sensor (sensor 1) signal |