ECM Inputs and Outputs at Connector No. 2 (58P)
NOTE: Standard battery voltage is 12 V.

ECM Terminal number | Wire color | Terminal name | Description
--- | --- | --- | ---
1 | YEL/BLK | IGP1 (POWER SOURCE) | Power source for ECM circuit
2 | BLK | PG1 (POWER GROUND) | Ground for ECM circuit
3 | YEL/BLK | IGP2 (POWER SOURCE) | Power source for ECM circuit
4 | BLK | PG2 (POWER GROUND) | Ground for ECM circuit
5 | YEL/BLK | IGP3 (POWER SOURCE) | Power source for ECM circuit
6 | BLK | PG3 (POWER GROUND) | Ground for ECM circuit
7 | RED/WHT | WEN (WRITE ENABLE SIGNAL) | Detects write enable signal
9 | WHT/BLU | APSB (ACCELERATOR PEDAL POSITION (APP) SENSOR B) | Detects APP sensor B signal
11 | WHT/BLK | APSSG2 (SENSOR GROUND) | Sensor ground
12 | BLK | APSSG1 (SENSOR GROUND) | Sensor ground
13 | YEL/RED | APSVCC2 (SENSOR REFERENCE VOLTAGE) | Provides sensor voltage
14 | RED/BLK | APSVCC1 (SENSOR REFERENCE VOLTAGE) | Provides sensor voltage
16 | BLU/WHT | VSSOUT (VEHICLE SPEED SENSOR (VSS) OUTPUT SIGNAL) | Sends vehicle speed sensor signal
18 | BLU | NEP (ENGINE SPEED PULSE) | Outputs engine speed pulse
19 | GRN/YEL | MRLY (PGM-FI MAIN RELAY) | Drives PGM-FI main relay 1 Power source for DTC memory
20 | BRN | SCS (SERVICE CHECK SIGNAL) | Detects service check signal
21 | GRN/BLK | ELDGND (ELECTRICAL LOAD DETECTOR (ELD) GROUND) | Ground for ELD
22 | BRN | APSA (ACCELATOR PEDAL POSITION (APP) SENSOR A) | Detects APP sensor A signal
23 | GRN/RED | ELD (ELECTRICAL LOAD DETECTOR (ELD)) | Detects ELD signal
27 | YEL/BLK | IG2 (IGNITION SIGNAL) | Detects ignition signal
28 | LT BLU | CLSWOFF (CLUTCH PEDAL POSITION SWITCH B) | Detects clutch pedal position switch B signal
29 | BLK | GCUGND (GLOW PLUG CONTROL MODULE GROUND) | Ground for glow plug control module