For 1990-2009 cars

## Engine Control Module Connector End Views Hatchback

Table 1: | Engine Control Module (ECM) K (MR140)
Table 2: | Engine Control Module (ECM) M (MR140)
Table 3: | Engine Control Module (ECM) C (MT34)
Table 4: | Engine Control Module (ECM) E (MT34)

#### Engine Control Module (ECM) K (MR140)

Connector Part Information |

• | AMP 0-368434-1

• | 64-Way F ECU 64P Conn Assembly (32-bit-B) (BN)

Pin | Wire | Circuit | Function
--- | --- | --- | ---
1 | RD/WH | -- | Battery Positive Voltage
2-4 | -- | -- | Not Used
5 | GY | -- | Octane Selector Switch Signal
6 | D-GN/WH | -- | Vehicle Speed Signal
7 | BN | -- | Rough Road Signal w/ABS
8-11 | -- | -- | Not Used
12 | GY | -- | High Speed Cooling Fan Relay Control
13 | YE | -- | Intake Manifold Tuning Valve Control
14 | PU | -- | CAN Serial Data High
15 | YE | -- | CAN Serial Data Low
16 | BK | -- | Heated Oxygen Sensor 1 Heater Control
17 | RD/WH | -- | Battery Positive Voltage
18 | PK | -- | Ignition 1 Voltage
19-20 | -- | -- | Not Used
21 | D-GN | -- | Rough Road Signal w/o ABS
22 | L-BU | -- | Air Conditioning Refrigerant Pressure Switch Signal
23 | -- | -- | Not Used
24 | GN | -- | Engine Coolant Temperature Gage Control
25 | WH | -- | Engine Speed Signal
26-27 | -- | -- | Not Used
28 | GN | -- | Low Speed Cooling Fan Relay Control
29 | PU/WH | -- | Air Conditioning Compressor Clutch Relay Control
30 | PU | -- | Fuel Gage Control
31 | -- | -- | Not Used
32 | BK/WH | -- | Serial Data
33 | -- | -- | Not Used
34 | L-BU | -- | Low Reference
35 | D-GN/WH | -- | Air Conditioning Request Signal
36 | BN | -- | Heated Oxygen Sensor 2 Signal
37-49 | -- | -- | Not Used
50 | OG/BK | -- | 5-Volt Reference
51 | GY | -- | Fuel Level Sensor Signal
52 | -- | -- | Not Used
53 | PU | -- | Heated Oxygen Sensor 2 Low Reference
54 | L-GN | -- | Fuel Pump Relay Control
55-63 | -- | -- | Not Used
64 | BN/WH | -- | Malfunction Indicator Lamp Control

#### Engine Control Module (ECM) M (MR140)

Connector Part Information |

• | AMP 1-368434-1

• | 64-Way F ECU 64P Conn Assembly (32-bit-B) (BK)

Pin | Wire | Circuit | Function
--- | --- | --- | ---
1 | WH | -- | Ignition Coil 2 and 3 Control
2 | BN | -- | Heated Oxygen Sensor 2 Heater Control
3 | PK | -- | Ignition 1 Voltage
4 | BN | -- | EVAP Canister Purge Solenoid Control
5 | YE/BK | -- | Low Reference
6 | L-BU | -- | Throttle Position Sensor Signal
7 | BN | -- | Intake Air Temperature (IAT) Sensor Signal
8 | L-GN | -- | Exhaust Gas Recirculation (EGR) Valve Signal
9 | GY | -- | Exhaust Gas Recirculation (EGR) Valve Position Sensor Signal
10 | -- | -- | Not Used
11 | PU/D-BU | -- | Fuel Injector 4 Control
12 | GN/WH | -- | Heated Oxygen Sensor 1 Low Reference
13 | GN | -- | High Idle Switch Output
14 | PK/D-BU | -- | Idle Air Control (IAC) Valve Coil B Low Control
15 | L-GN/BK | -- | Idle Air Control (IAC) Valve Coil A Low Control
16 | PU | -- | 5-Volt Reference
17 | -- | -- | Not Used
18 | D-BU | -- | Knock Sensor Signal
19 | WH | -- | Exhaust Gas Recirculation Valve Control
20 | -- | -- | Not Used
21 | D-BU/WH | -- | Crankshaft Position Sensor Signal
22 | BN | -- | Fuel Injector 2 Control
23 | -- | -- | Not Used
24 | L-GN/D-BU | -- | Fuel Injector 3 Control
25 | D-BU/WH | -- | Fuel Injector 1 Control
26 | L-BU/BK | -- | Camshaft Position Sensor Signal
27 | -- | -- | Not Used
28 | YE | -- | Engine Coolant Temperature Sensor Signal
29 | BN | -- | Heated Oxygen Sensor 1 Signal
30 | BU | -- | Idle Air Control (IAC) Valve Coil B High Control
31 | -- | -- | Not Used
32 | PK | -- | 5-Volt Reference
33 | WH | -- | Ignition Coil 2 and 3 Control
34 | -- | -- | Not Used
35 | OG | -- | Ignition Coil 1 and 4 Control
36 | -- | -- | Not Used
37 | BK | -- | Ground
38 | BK | -- | Ground
39 | BK | -- | Ground
40 | BK | -- | Ground
41 | BK | -- | Ground
42-47 | -- | -- | Not Used
48 | BN/WH | -- | Low Reference
49-50 | -- | -- | Not Used
51 | OG | -- | Ignition Coil 1 and 4 Control
52 | WH | -- | Exhaust Gas Recirculation Valve Control
53-63 | -- | -- | Not Used
64 | BN | -- | Low Reference

#### Engine Control Module (ECM) C (MT34)

Connector Part Information |

• | AMP 0-368434-1

• | 64-Way F ECU 64P Conn Assembly (32-bit-B) (BK)

Pin | Wire | Circuit | Function
--- | --- | --- | ---
1 | GY | -- | 5-Volt Reference 2
2 | OG/BK | -- | 5-Volt Reference
3 | BN | -- | Low Reference
4 | L-BU | -- | Low Reference
5 | L-BU | -- | Low Reference
6 | GY | -- | 5-Volt Reference 1
7-8 | -- | -- | Not Used
9 | WH | -- | Low Reference
10-11 | -- | -- | Not Used
12 | OG/BK | -- | Ignition 1 Voltage
13 | OG/BK | -- | Ignition 1 Voltage
14 | -- | -- | Not Used
15 | L-BU | -- | CPP Switch Signal (M/T)
16 | -- | -- | Not Used
17 | RD/WH | -- | Battery Positive Voltage
18 | RD/WH | -- | Battery Positive Voltage
19 | BK/WH | -- | Ground
20 | BK/WH | -- | Ground
21 | BK/WH | -- | Ground
22 | BK/WH | -- | Ground
23-24 | -- | -- | Not Used
25 | D-GN/WH | -- | A/C Request Signal
26 | L-BU | -- | Stop Lamp Switch Output
27 | -- | -- | Not Used
28 | PU | -- | Stop Lamp Switch Output
29 | D-BU | -- | APP Sensor 2 Signal
30 | L-BU | -- | A/C Pressure Sensor Signal
31 | BK/WH | -- | Serial Data
32 | -- | -- | Not Used
33 | PK | -- | Ignition 1 Voltage
34 | D-BU | -- | High Speed Cooling Fan Relay Control
35 | PU/WH | -- | A/C Clutch Relay Control
36 | BN | -- | Main Relay Control
37 | YE | -- | Cruise Indicator Control
38 | D-GN | -- | Vehicle Speed Signal (M/T)
39-40 | -- | -- | Not Used
41 | GY | -- | Engine Speed Signal
42 | L-GN | -- | Fuel Pump Relay Control
43 | GY | -- | Fuel Level Sensor Signal
44 | L-BU | -- | APP Sensor 1 Signal
45 | GY | -- | Cruise Control Switch Signal
46 | PU | -- | CAN Serial Data High
47 | BN/BK | -- | Fuel Tank Pressure Sensor Signal
48 | D-GN | -- | Rough Road Sensor Signal w/o ABS
49 | BN/WH | -- | MIL Control
50 | GY/D-GN | -- | Low Speed Cooling Fan Relay Control
51-55 | -- | -- | Not Used
56 | D-GN | -- | Engine Coolant Temperature Gage Control
57 | BN | -- | Heated Oxygen Sensor (HO2S) 2 Heater Control
58-60 | -- | -- | Not Used
61 | WH | -- | Fuel Gage Control
62 | BN | -- | Heated Oxygen Sensor (HO2S) 2 Signal
63 | YE | -- | CAN Serial Data Low
64 | BN | -- | Rough Road Signal w/ABS

#### Engine Control Module (ECM) E (MT34)

Connector Part Information |

• | AMP 1-368434-2

• | 64-Way F ECU 64P Conn Assembly (32-bit-B) (BN)

Pin | Wire | Circuit | Function
--- | --- | --- | ---
1-2 | -- | -- | Not Used
3 | WH | -- | Ignition Coil (IC) Timing Control 2 and 3
4 | OG | -- | Ignition Coil (IC) Timing Control 1 and 4
5-6 | -- | -- | Not Used
7 | D-BU | -- | Intake Manifold Tuning Valve Sensor Signal
8 | YE | -- | Intake Manifold Tuning Valve Control
9-14 | -- | -- | Not Used
15 | BN | -- | Electronic Throttle Control (ETC) (-)
16 | BN | -- | Electronic Throttle Control (ETC) (-)
17-18 | -- | -- | Not Used
19 | WH | -- | Ignition Coil (IC) Timing Control 2 and 3
20 | OG | -- | Ignition Coil (IC) Timing Control 1 and 4
21 | L-BU | -- | Low Reference
22 | D-BU | -- | Knock Sensor Signal
23-24 | -- | -- | Not Used
25 | YE | -- | Engine Coolant Temperature (ECT) Sensor Signal
26 | BN | -- | Heated Oxygen Sensor (HO2S) 1 Low Signal
27 | -- | -- | Not Used
28 | L-GN | -- | Manifold Absolute Pressure (MAP) Sensor Signal
29 | PU | -- | Throttle Position (TP) Sensor 2 Signal
30 | BN | -- | Intake Air Temperature (IAT) Sensor Signal
31 | BN | -- | Electronic Throttle Control (ETC) (+)
32 | BN | -- | Electronic Throttle Control (ETC) (+)
33 | PU | -- | 5-Volt Reference
34 | D-GN/WH | -- | Heated Oxygen Sensor (HO2S) 1 Low Reference
35 | BN/WH | -- | Low Reference
36 | D-BU/WH | -- | Crankshaft Position (CKP) Sensor Signal
37 | YE/BK | -- | Low Reference
38-40 | -- | -- | Not Used
41 | L-BU | -- | Throttle Position (TP) Sensor 1 Signal
42 | GY | -- | Exhaust Gas Recirculation (EGR) Valve Position Sensor Signal
43-45 | -- | -- | Not Used
46 | L-BU/BK | -- | Camshaft Position (CMP) Sensor Signal
47-48 | -- | -- | Not Used
49 | GY | -- | Heated Oxygen Sensor (HO2S) 1 Heater Control
50 | PU | -- | 5-Volt Reference
51 | BN | -- | Low Reference
52 | D-BU | -- | Low Reference
53 | WH | -- | Exhaust Gas Recirculation (EGR) Solenoid Valve Control
54 | OG | -- | Ignition 1 Voltage
55 | BN | -- | Fuel Injector 3 Control
56 | L-GN | -- | Fuel Injector 2 Control
57-60 | -- | -- | Not Used
61 | YE | -- | Evaporative Emissions (EVAP) Canister Vent Solenoid Control
62 | WH | -- | Evaporative Emissions (EVAP) Canister Purge Solenoid Control
63 | YE | -- | Fuel Injector 1 Control
64 | BN/WH | -- | Fuel Injector 4 Control

## Engine Control Module Connector End Views Notchback

Connector 1: | Engine Control Module (ECM) C
Connector 2: | Engine Control Module (ECM) E

### Engine Control Module (ECM) C

#### Connector Part Information

- OEM: 0-368434-1
- Service: N/A
- Description: 64-Way F MQS Series (BK)

#### Terminal Part Information

- Terminal/Tray: N/A
- Core/Insulation Crimp: N/A
- Release Tool/Test Probe: N/A

#### Engine Control Module (ECM) C

Pin | Wire | Circuit | Function
--- | --- | --- | ---
1 | GY | 596 | 5-Volt Reference
2 | OG/BK | 1031 | 5-Volt Reference
3 | BN | 718 | Low Reference
4 | L-BU | 1937 | Low Reference
5 | L-BU | 1937 | Fuel Level Sensor Supply
6 | GY | 474 | 5-Volt Reference
7-8 | -- | -- | Not Used
9 | WH | 645 | Low Reference
10-11 | -- | -- | Not Used
12 | OG/BK | 1733 | Ignition 1 Voltage
13 | OG/BK | 1733 | Ignition 1 Voltage
14 | -- | -- | Not Used
15 | L-BU | 1888 | CPP Switch Signal (M/T)
16 | -- | -- | Not Used
17 | RD/WH | 440 | Battery Positive Voltage
18 | RD/WH | 440 | Battery Positive Voltage
19 | BK/WH | 50 | Ground
20 | BK/WH | 50 | Ground
21 | BK/WH | 50 | Ground
22 | BK/WH | 50 | Ground
23-24 | -- | -- | Not Used
25 | D-GN/WH | 762 | A/C Request Signal
26 | L-BU | 20 | Stop Lamp Switch Output
27 | -- | -- | Not Used
28 | PU | 878 | Stop Lamp Switch Output
29 | D-BU | 1161 | APP Sensor 1 Signal
30 | L-B U | 203 | A/C Pressure Sensor Signal
31 | BK/WH | 2051 | Serial Data
32 | -- | -- | Not Used
33 | PK | 1739 | Ignition 1 Voltage
34 | D-BU | 473 | High Speed Cooling Fan Relay Control
35 | PU/WH | 67 | A/C Clutch Relay Control
36 | BN | 1741 | Main Relay Control
37 | YE | 183 | Cruise Indicator Control
38 | D-GN/WH | 817 | Vehicle Speed Signal (M/T)
39-40 | -- | -- | Not Used
41 | WH | 121 | Engine Speed Signal
42 | L-GN | 497 | Fuel Pump Relay Control
43 | D-BU | 1936 | Fuel Level Sensor Signal
44 | L-BU | 1162 | APP Sensor 2 Signal
45 | GY | 397 | Cruise Control Switch Signal
46 | PU | 1807 | CAN Serial Data High
47 | BN/BK | 1030 | Fuel Tank Pressure Sensor Signal
48 | D-GN | 602 | Rough Road Sensor Signal
49 | BN/WH | 419 | MIL Control
50 | GY/D-GN | 355 | Low Speed Cooling Fan Relay Control
51-55 | -- | -- | Not Used
56 | D-GN | 135 | Engine Coolant Temperature Gage Control
57 | BN | 1671 | HO2S2 Heater Control
58-60 | -- | -- | Not Used
61 | PU | 30 | Fuel Gage Control
62 | BN | 413 | HO2S2 Signal
63 | YE | 710 | CAN Serial Data Low
64 | BN | 834 | ABS (JM4)

### Engine Control Module (ECM) E

#### Connector Part Information

- OEM:1-368434-2
- Service: N/A
- Description: 64-Way F MQS Series (BN)

#### Terminal Part Information

- Terminal/Tray: N/A
- Core/Insulation Crimp: N/A
- Release Tool/Test Probe: N/A

#### Engine Control Module (ECM) E

Pin | Wire | Circuit | Function
--- | --- | --- | ---
1-2 | -- | -- | Not Used
3 | WH | 423 | Ignition Coil (IC) Timing Control 2 and 3
4 | OG | 406 | Ignition Coil (IC) Timing Control 1 and 4
5-6 | -- | -- | Not Used
7 | D-BU | 45 | Intake Manifold Tuning Valve Sensor Signal
8 | YE | 492 | Intake Manifold Tuning Valve Control
9-14 | -- | -- | Not Used
15 | BN | 581 | Electronic Throttle Control (ETC) (-)
16 | BN | 581 | Electronic Throttle Control (ETC) (-)
17-18 | -- | -- | Not Used
19 | WH | 423 | Ignition Coil (IC) Timing Control 2 and 3
20 | OG | 406 | Ignition Coil (IC) Timing Control 1 and 4
21 | L-BU | 1876 | Low Reference
22 | D-BU | 496 | Knock Sensor Signal
23-24 | -- | -- | Not Used
25 | YE | 410 | Engine Coolant Temperature (ECT) Sensor Signal
26 | BN | 1665 | Heated Oxygen Sensor (HO2S) 1 Signal
27 | -- | -- | Not Used
28 | L-GN | 432 | Manifold Absolute Pressure (MAP) Sensor Signal
29 | PU | 486 | Throttle Position (TP) Sensor 2 Signal
30 | BN | 6118 | Intake Air Temperature (IAT) Sensor Signal
31 | BN | 582 | Electronic Throttle Control (ETC) (+)
32 | BN | 582 | Electronic Throttle Control (ETC) (+)
33 | PU | 719 | 5-Volt Reference
34 | D-GNWH | 428 | Heated Oxygen Sensor (HO2S) 1 Low Reference
35 | BN/WH | 469 | Low Reference
36 | D-BU/WH | 1869 | Crankshaft Position (CKP) Sensor Signal
37 | YE/BK | 1868 | Low Reference
38-40 | -- | -- | Not Used
41 | L-BU | 425 | Throttle Position (TP) Sensor 1 Signal
42 | GY | 5763 | Exhaust Gas Recirculation (EGR) Valve Position Sensor Signal
43-45 | -- | -- | Not Used
46 | L-BU/BK | 1748 | Camshaft Position (CMP) Sensor Signal
47-48 | -- | -- | Not Used
49 | GY | 53 | Heated Oxygen Sensor (HO2S) 1 Heater Control
50 | PK | 427 | 5-Volt Reference
51 | BN | 808 | Low Reference
52 | D-BU | 426 | Low Reference
53 | WH | 257 | Exhaust Gas Recirculation (EGR) Solenoid Valve Control
54 | OG | 1732 | Ignition Voltage
55 | L-GN/BK | 1745 | Fuel Injector 3 Control
56 | PK/BK | 1746 | Fuel Injector 2 Control
57-60 | -- | -- | Not Used
61 | YE | 1578 | Evaporative Emissions (EVAP) Canister Vent Solenoid Control
62 | BN | 452 | Evaporative Emissions (EVAP) Canister Purge Solenoid Control
63 | L-BU/WH | 1747 | Fuel Injector 1 Control
64 | BN | 1744 | Fuel Injector 4 Control