2. ECM Terminal Function
CONNECTOR [C133-1]
CONNECTOR DESCRIPTION
| Pin No. | Description | Connected to |
|---|---|---|
| 1 | Ignition switch signal input | Ignition Switch |
| 2 | Not connected | |
| 3 | Diagnostic Data Line (k-Line) | Data Link Connector (DLC) |
| 4 | ECM ground | Chassis ground |
| 5 | Power stage ground | Chassis ground |
| 6 | Power stage ground | Chassis ground |
| 7 | Battery voltage supply | Battery |
| 8 | Battery Voltage Supply after Main Relay | Main Relay |
| 9 | Battery Voltage Supply after Main Relay | Main Relay |
CONNECTOR [C133-2]
CONNECTOR (C133-2) DESCRIPTION
| Pin No. | Description | Connected to |
|---|---|---|
| 1 | Heated Oxygen Sensor Heater (B1/S1) control | Heated Oxygen Sensor (B1/S1) |
| 2 | Not connected | |
| 3 | Not connected | |
| 4 | Not connected | |
| 5 | Not connected | |
| 6 | Not connected | |
| 7 | Heated Oxygen Sensor (B1/S2) Heater control | Heated Oxygen Sensor (B1/S2) |
| 8 | Not connected | |
| 9 | Not connected | |
| 10 | Not connected | |
| 11 | Not connected | |
| 12 | Not connected | |
| 13 | Heated Oxygen Sensor (B2/S1) Heater control | Heated Oxygen Sensor (B2/S1) |
| 14 | Heated Oxygen Sensor (B1/S1) signal input | Heated Oxygen Sensor (B1/S1) |
| 15 | Heated Oxygen Sensor (B2/S1) signal input | Heated Oxygen Sensor (B2/S1) |
| 16 | Heated Oxygen Sensor (B1/S2) signal input | Heated Oxygen Sensor (B1/S2) |
| 17 | Fuel Consumption signal output | Trip Computer |
| 18 | Heated Oxygen Sensor (B2/S2) signal input | Heated Oxygen Sensor (B2/S2) |
| 19 | Heated Oxygen Sensor (B2/S2) Heater control | Heated Oxygen Sensor (B2/S2) |
| 20 | Heated Oxygen Sensor (B1/S1) ground | Heated Oxygen Sensor (B1/S1) |
| 21 | Heated Oxygen Sensor (B2/S1) ground | Heated Oxygen Sensor (B2/S1) |
| 22 | Heated Oxygen Sensor (B1/S2) ground | Heated Oxygen Sensor (B1/S2) |
| 23 | Main Relay control output | Main Relay |
| 24 | Heated Oxygen Sensor (B2/S2) ground | Heated Oxygen Sensor (B2/S2) |
CONNECTOR [C133-3]
CONNECTOR [C133-3] DESCRIPTION
| Pin No. | Description | Connected to |
|---|---|---|
| 1 | Mass Air Flow Sensor signal input | Mass Air Flow Sensor (MAFS) |
| 2 | Not connected | |
| 3 | Not connected | |
| 4 | Not connected | |
| 5 | Not connected | |
| 6 | Not connected | |
| 7 | Not connected | |
| 8 | Crankshaft Position Sensor signal input | Crankshaft Position Sensor (CKPS) |
| 9 | Not connected | |
| 10 | Throttle Position Sensor supply | Throttle Position Sensor (TPS) |
| 11 | Not connected | |
| 12 | Not connected | |
| 13 | Not connected | |
| 14 | Not connected | |
| 15 | Not connected | |
| 16 | Not connected | |
| 17 | Mass Air Flow Sensor ground | Mass Air Flow Sensor (MAFS) |
| 18 | Not connected | |
| 19 | Throttle Position Sensor signal input | Throttle Position Sensor (TPS) |
| 20 | Throttle Position Sensor ground | Throttle Position Sensor (TPS) |
| 21 | Crankshaft Position Sensor ground | Crankshaft Position Sensor (CKPS) |
| 22 | Intake Air Temperature Sensor signal input | Intake Air Temperature Sensor (IATS) |
| 23 | Intake Air Temperature Sensor ground | Intake Air Temperature Sensor (IATS) |
| 24 | Engine Coolant Temperature Sensor signal input | Engine Coolant Temperature Sensor (ECTS) |
| 25 | Engine Coolant Temperature Sensor ground | Engine Coolant Temperature Sensor (ECTS) |
| 26 | Power Steering Load input | Power Steering Switch |
| 27 | Not connected | |
| 28 | Not connected | |
| 29 | Knock Sensor #1 (Cyl. #1, 3, 5) signal input | Knock Sensor (KS) #1 |
| 30 | Knock Sensor #1 (Cyl. #1, 3, 5) ground | Knock Sensor (KS) #1 |
| 31 | Knock Sensor #2 (Cyl. #2, 4, 6) signal input | Knock Sensor (KS) #2 |
| 32 | Knock Sensor #2 (Cyl. #2, 4, 6) ground | Knock Sensor (KS) #2 |
| 33 | Injector (Cyl. 1) control output | Injector (Cyl. 1) |
| 34 | Injector (Cyl. 2) control output | Injector (Cyl. 2) |
| 35 | Injector (Cyl. 3) control output | Injector (Cyl. 3) |
| 36 | Injector (Cyl. 4) control output | Injector (Cyl. 4) |
| 37 | Injector (Cyl. 5) control output | Injector (Cyl. 5) |
| 38 | Injector (Cyl. 6) control output | Injector (Cyl. 6) |
| 39 | Not connected | |
| 40 | Not connected | |
| 41 | Not connected | |
| 42 | Purge Control Solenoid Valve PWM output | Purge Control Solenoid Valve (PCSV) |
| 43 | Not connected | |
| 44 | Not connected | |
| 45 | Not connected | |
| 46 | Idle Speed Control Actuator PWM output 2 (OPEN) | Idle Speed Control Actuator (ISC A) |
| 47 | Idle Speed Control Actuator PWM output 1 (CLOSE) | Idle Speed Control Actuator (ISCA) |
| 48 | Knock Sensor Shield | Knock Sensor (KS) |
| 49 | Not connected | |
| 50 | Not connected | |
| 51 | Not connected | |
| 52 | Not connected |
CONNECTOR [C133-4]
CONNECTOR [C133-4] DESCRIPTION
| Pin No. | Description | Connected to |
|---|---|---|
| 1 | Not connected | |
| 2 | Not connected | |
| 3 | Not connected | |
| 4 | Fuel Tank Pressure Sensor Supply | Fuel Tank Pressure Sensor (FTPS) |
| 5 | Fuel Level Sensor Signal input | Fuel Level Sensor (FLS) |
| 6 | Not connected | |
| 7 | Camshaft Position Sensor signal input | Camshaft Position Sensor (CMPS) |
| 8 | Camshaft Position Sensor ground | Camshaft Position Sensor (CMPS) |
| 9 | Not connected | |
| 10 | Fuel Pump Relay control output | Fuel Pump Relay |
| 11 | Not connected | |
| 12 | Not connected | |
| 13 | Throttle Position PWM output | Other control modules |
| 14 | Fuel Tank Pressure Sensor ground | Fuel Tank Pressure Sensor (FTPS) |
| 15 | Fuel Level Sensor ground input | Fuel Level Sensor(FLS) |
| 16 | Not connected | |
| 17 | Engine Speed signal output | Tachometer |
| 18 | Cooling Fan Relay [Low] control output | Cooling Fan Relay |
| 19 | Not connected | |
| 20 | Malfunction Indicating Lamp (MIL) output | Malfunction Indicating Lamp (MIL) |
| 21 | Not connected | |
| 22 | Vehicle speed signal input | ABS Control Module With ABS |
| 23 | Air conditioner switch [Low/High] signal input | Triple Switch |
| 24 | Air conditioner switch signal input | Air Conditioner Switch |
| 25 | Air conditioner switch [Middle] signal input | Triple Switch |
| 26 | Not connected | |
| 27 | Not connected | |
| 28 | Not connected | |
| 29 | Air Conditioner Compressor Relay control output | Air Conditioner Compressor Relay |
| 30 | Canister Close Valve control output | Canister Close Valve (CCV) |
| 31 | Not connected | |
| 32 | Not connected | |
| 33 | Not connected | |
| 34 | Fuel Tank Pressure Sensor signal input | Fuel Tank Pressure Sensor (FTPS) |
| 35 | Not connected | |
| 36 | CAN [HIGH] | Other control modules (TCM, ABS, etc.) |
| 37 | CAN [LOW] | Other control modules (TCM, ABS, etc.) |
| 38 | Wheel Speed Sensor (WSS) ground | Wheel Speed Sensor (WSS) Without ABS |
| 39 | Wheel Speed Sensor (WSS) signal input | Wheel Speed Sensor (WSS) |
| 40 | Cooling Fan Relay [High] control output | Cooling Fan Relay |
CONNECTOR [C133-5]
CONNECTOR [C133-5] DESCRIPTION
| Pin No. | Description | Connected to |
|---|---|---|
| 1 | Ignition coil #3 (Cyl. #3, 6) control output | Ignition coil #3 (Cyl. #3, 6) |
| 2 | Ignition coil #2 (Cyl. #2, 5) control output | Ignition coil #2 (Cyl. #2, 5) |
| 3 | Ignition coil #1 (Cyl. #1, 4) control output | Ignition coil #1 (Cyl. #1, 4) |
| 4 | Not connected | |
| 5 | Ignition Coil shield | Ignition Coil and Chassis ground |
| 6 | Not connected | |
| 7 | Not connected | |
| 8 | Not connected | |
| 9 | Not connected |