For 1990-2009 cars

Table 1: | Engine Control Module (ECM) Connector C1
Table 2: | Engine Control Module (ECM) Connector C2

#### Engine Control Module (ECM) Connector C1

Connector Part Information | Engine Control Module Connector (C1)
--- | ---
PIN # | Wire Color | Function
1 | BLK/WHT | Throttle Valve Motor (minus)
2 | BRN/WHT | HO2S Bank 2 Sensor 2 Heater Control
3 | BRN/BLU | Fuel Injector #3 Driver
4 | BRN/GRN | Intake Plenum Switchover Valve Control
5 | BRN/RED | EVAP Purge Solenoid Control Valve
6 | BRN/GRN | KS Bank 2 Low
7 | BRN/GRN | HO2S Bank 2 Sensor 2 Ground
8-9 | -- | Not Used
10 | GRY/BLK | CKP Sensor Signal
11 | BRN/RED | HO2S Bank 1 Sensor 1 Input Pumping Current
12 | BRN/WHT | HO2S Bank 2 Sensor 1 Ground
13 | -- | Not Used
14 | GRY/BLK | Ignition Control Cyl #5
15 | BLK/YEL | Ignition Control Cyl #3
16 | BLK/RED | Ignition Control Cyl #1
17 | BRN/YEL | Throttle Valve Motor (plus)
18 | BRN/GRY | HO2S Bank 2 Sensor 1 Heater Control
19 | BRN/YEL | Fuel Injector #1 Driver
20 | BRN/BLK | Fuel Injector #5 Driver
21 | -- | Not Used
22 | BRN/WHT | KS Bank 1 Signal
23 | BRN/BLU | HO2S Bank 1 Sensor 2 Signal
24 | WHT | TP Sensor 1 Signal
25 | BRN/BLU | ECT Sensor Signal
26 | BRN/GRN | Sensor Ground (MAF/IAT, ECT, TP)
27 | -- | Not Used
28 | BRN/BLU | HO2S Bank 1 Sensor 1 Signal
29 | BRN/GRN | HO2S Bank 2 Sensor 1 Output Pumping Circuit
30 | GRY/BLK | Ignition Control Cyl #6
31 | BLK/YEL | Ignition Control Cyl #4
32 | BLK/RED | Ignition Control Cyl #2
33 | BLK/WHT | Throttle Valve Motor (minus)
34 | BRN/WHT | HO2S Bank 1 Sensor 2 Heater Control
35 | BRN/GRN | Fuel Injector #2 Driver
36 | BRN/PPL | Fuel Injector #6 Driver
37 | -- | Not Used
38 | BRN/WHT | KS Bank 2 Signal
39 | BRN/BLU | HO2S Bank 2 Sensor 2 Signal
40 | BRN/BLU | TP Sensor 2 Signal
41 | -- | Not Used
42 | WHT | CMP Sensor Signal
43 | BRN/GRN | HO2S Bank 1 Sensor 1 Output Pumping Circuit
44 | BRN/BLU | HO2S Bank 2 Sensor 1 Signal
45-48 | -- | Not Used
49 | BRN/YEL | Throttle Valve Motor (plus)
50 | BRN/GRY | HO2S Bank 1 Sensor 1 Heater Control
51 | BLU/BLK | MAF 5 Volt Reference
52 | BRN/RED | Fuel Injector #4 Driver
53 | BRN/GRN | Intake Resonance Switchover Valve Control
54 | BRN/GRN | KS Bank 1 Low
55 | BRN/GRN | HO2S Bank 1 Sensor 2 Ground
56 | GRY/RED | MAF Signal
57 | BRN/BLK | IAT Sensor Signal
58 | BLU/BLK | TP Sensor 5 Volt Reference
59 | GRY/RED | CKP Reference Low
60 | BRN/WHT | HO2S Bank 1 Sensor 1 Ground
61 | BRN/RED | HO2S Bank 2 Sensor 1 Input Pumping Current
62 | BLK | KS 1, KS 2, and CKP Sensor Shielded Ground
63-64 | -- | Not Used

#### Engine Control Module (ECM) Connector C2

Connector Part Information | Engine Control Module Connector
--- | ---
Pin | Wire Color | Function
1 | BRN/WHT | Cruise Indicator
2-5 | -- | Not Used
6 | BLK/BLU | A/C ON/OFF Signal
7 | BLK/RED | APP 2 5 Volt Reference
8 | BRN/BLK | APP 1 Signal
9 | -- | Not Used
10 | BLK/BRN | Cruise ON/OFF Signal
11 | -- | Not Used
12 | BRN/GRY | EBTCM CAN Interface Low
13 | BRN/PPL | A/C Relay Control
14 | -- | Not Used
15 | RED | B+
16 | RED/BLU | Switched B+
17 | -- | Not Used
18 | BRN/BLK | EVAP Vent Solenoid Control
19-21 | -- | Not Used
22 | BLU/BLK | Fuel Level Input
23 | -- | Not Used
24 | BRN/GRY | APP 1 Reference Ground
25 | BRN/GRN | Fuel Tank Pressure Sensor Ground
26 | BLK/BRN | Cruise Release Signal
27 | BLK/YEL | Stop Lamp Signal
28 | -- | Not Used
29 | BRN/PPL | EBTCM CAN Interface High
30 | BRN/BLU | Fuel Pump Relay Control
31 | BRN/GRY | Engine Controls Power Relay Control
32 | RED/BLU | Switched B+
33 | GRY | Filler Cap Lamp
34 | BRN/YEL | Secondary Air Pump Solenoid Control
35 | GRN | RPM Signal Output
36 | -- | Not Used
37 | BRN/YEL | Fuel Tank Pressure Sensor Signal
38-39 | -- | Not Used
40 | BRN/RED | APP 2 Signal
41 | -- | Not Used
42 | BLK/RED | Cruise Resume/Decel Signal
43 | BLK/YEL | Cruise Set/Accel Signal
44 | BLU/RED | VSS/Theft Deterrent Signal
45 | BRN/PPL | TCM CAN Interface High
46 | BRN/BLU | MIL Control
47 | BRN | Ignition Switch
48 | RED/BLU | Switched B+
49-52 | -- | Not Used
53 | BRN/WHT | Serial Data/kw 2000/DLC
54-55 | -- | Not Used
56 | BLK/GRY | APP 1 5 Volt Reference
57 | -- | Not Used
58 | BLK/WHT | A/C Request
59-60 | -- | Not Used
61 | BRN/GRY | TCM CAN Interface Low
62 | BRN/GRY | Secondary Air Pump Relay Control
63 | BLU/BLK | Fuel Tank Pressure Sensor 5 Volt
64 | -- | Not Used