ECM Terminal Identification
Courtesy of ISUZU MOTOR CO. ECM CONNECTOR A-B (24 PIN) TERMINAL ID
| PIN & (WIRE COLOR) |
CIRCUIT NAME |
| A1 (Blk/Pnk) |
Fuel Pump Relay |
| A2 (Grn/Blk) |
A/C Clutch Control |
| A4 (Green) |
EGR Control |
| A5 (Blue) |
Check Engine Light |
| A6 (Blk/Wht) |
Ignition ECM Fuse |
| A8 (Orn/Wht) |
Serial Data |
| A9 (Wht/Blu) |
Diagnostic Terminal |
| A10 (Yellow) |
Speed Sensor Signal |
| A11 (Pink) |
MAP Ground |
| A12 (Wht/Blk) |
System Ground |
| B1 (White) |
Battery |
| B2 (Blk/Orn) |
Fuel Pump Signal |
| B3 (Red/Blk) |
EST Reference Low |
| B5 (Pnk/Wht) |
EST Reference High |
| B7 (Black) |
ESC Signal |
| B8 (Grn/Blu) |
A/C Signal |
ECM CONNECTOR C-D (32 PIN) TERMINAL ID
| PIN & (WIRE COLOR) |
CIRCUIT NAME |
| C2 (Blk/Pnk) |
EAC Solenoid |
| C3 (Lt Grn/Blk) |
IAC "B" Low |
| C4 (Grn/Wht) |
IAC "B" High |
| C5 (Blu/Wht) |
IAC "A" Low |
| C6 (Blu/Blk) |
IAC "A" High |
| C9 (Wht/Blk) |
Crank Signal |
| C10 (White) |
Coolant Temp Signal |
| C11 (Lt Green) |
MAP Signal |
| C13 (Blu/Red) |
TPS Signal |
| C14 (Grn/Yel) |
5 Volt Reference |
| C16 (White) |
Battery |
| D1 (Wht/Blu) |
System Ground |
| D2 (Black) |
5V Return |
| D4 (Wht/Red) |
EST Control |
| D5 (Blk/Wht) |
EST Bypass |
| D6 (Wht/Grn) |
O2 Sensor Ground |
| D7 (Yel/Blu) |
O2 Sensor Signal |
| D14 (Green) |
Injector B |
| D16 (Blue) |
Injector A |