For 1990-2009 cars

Table 1: | Powertrain Control Module (PCM) Connector C1
Table 2: | Powertrain Control Module (PCM) Connector C2

#### Powertrain Control Module (PCM) Connector C1

Connector Part Information |

• | Blue PCM C1

• | 80 Pin Connector

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1 | BLK | 2762 | Sensor Ground
2-3 | -- | -- | Not Used
4 | LT GRN | 1222 | 1-2 Shift Solenoid Valve Control
5 | DK BLU | 473 | Coolant Fan 2 Relay Control
6 | DK GRN | 335 | Coolant Fan 1 Relay Control
7 | BLK | 630 | CMP Sensor Signal
8 | PPL/WHT | 430 | 3X Reference High
9 | LT BLU/BLK | 647 | 24X Sensor Signal
10 | GRY | 2704 | 5 Volt Reference
11-12 | -- | -- | Not Used
13 | ORN/BLK | 469 | Sensor Ground
14-15 | -- | -- | Not Used
16 | BLK/WHT | 451 | PCM Ground
17 | BLK | 2760 | IAT Ground
18 | -- | -- | Not Used
19 | PNK | 1020 | Ignition Positive Voltage
20 | ORG | 540 | Battery Positive Voltage
21 | -- | -- | Not Used
22 | PNK | 1224 | Trans Fluid Pressure Switch A Input
23-27 | -- | -- | Not Used
28 | TAN/WHT | 1669 | HO2S Sensor 2 Signal Low
29 | TAN | 413 | HO2S Sensor 1 Signal Low
30 | PPL | 420 | TCC Brake Switch Input
31 | BLK | 2753 | EGR Valve Ground
32 | GRY | 435 | EGR Valve Control
33 | DK BLU | 496 | KS Input
34-37 | -- | -- | Not Used
38 | LT GRN/WHT | 1749 | IAC Coil B High
39-42 | -- | -- | Not Used
43 | BLK | 1744 | Injector Number 1 Control
44 | YEL/BLK | 1223 | 2-3 Shift Solenoid Valve Control
45 | PNK/BLK | 429 | AIR Injection BL Valve Control
46 | PNK/BLK | 1746 | Injector Number 3 Control
47 | LT GRN/BLK | 1745 | Injector Number 2 Control
48 | RED/BLK | 453 | 3X Reference Low
49-52 | -- | -- | Not Used
53 | TAN/BLK | 424 | Bypass Control
54 | WHT | 423 | Ignition Control (IC)
55 | DK GRN | 389 | Vehicle Speed Signal Output
56 | BLK/WHT | 451 | PCM Ground
57 | BLK/WHT | 451 | PCM Ground
58 | -- | -- | Not Used
59 | DK GRN | 1049 | Class II Data
60 | BLK/WHT | 451 | PCM Ground
61 | BLK | 2752 | TP Ground
62 | DK BLU/WHT | 1231 | AT/ISS Sensor Low
63 | RED/BLK | 1230 | AT/ISS Sensor High
64 | YEL | 400 | VSS High
65 | PPL | 401 | VSS Low
66-67 | -- | -- | Not Used
68 | YEL | 772 | Transaxle Range Switch Input B
69 | YEL | 492 | MAF Sensor Input
70 | -- | -- | Not Used
71 | ORN/BLK | 463 | Desired Torque
72 | DK GRN | 83 | Cruise Disable Output
73 | BLK/WHT | 845 | Injector Number 5 Control
74-75 | -- | -- | Not Used
76 | DK GRN/WHT | 428 | EVAP Canister Purge Valve Control
77-78 | -- | -- | Not Used
79 | YEL/BLK | 846 | Injector Number 6 Control
80 | BLK | 2751 | A/C Pressure Return

#### Powertrain Control Module (PCM) Connector C2

Connector Part Information |

• | Clear PCM C2

• | 80 Pin Connector

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1 | -- | -- | Not Used
2 | WHT | 1310 | EVAP Canister Vent Valve Control
3 | DK GRN/WHT | 465 | Fuel Pump Relay Control
4 | RED | 1676 | EGR Valve Feed Circuit
5 | BRN/WHT | 419 | MIL Control
6 | BRN | 1174 | Low Oil Level Indicator Input
7 | LT BLU/WHT | 1747 | IAC Coil A High
8 | -- | -- | Not Used
9 | TAN/BLK | 464 | Delivered Torque
10 | PPL | 412 | HO2S Sensor 1 Signal High
11 | PPL/WHT | 1668 | HO2S Sensor 2 Signal High
12-15 | -- | -- | Not Used
16 | WHT | 776 | Transaxel Range Switch Parity
17 | RED | 1226 | Trans Fluid Pressure Switch Input A
18 | BLK/WHT | 771 | Transaxle Range Switch Input A
19 | TAN/BLK | 231 | Oil Pressure Switch
20-21 | -- | -- | Not Used
22 | DK GRN/WHT | 762 | A/C Request Signal
23 | PPL | 806 | Crank
24 | PNK | 439 | IGN Positive Voltage
25 | LT GRN | 432 | MAP Sensor Signal
26 | YEL | 410 | ECT Sensor Signal
27 | RED/BLK | 380 | A/C Refrigerant Pressure Sensor Signal
28 | BRN | 1456 | EGR Pintle Position Signal
29 | -- | -- | Not Used
30 | GRY | 2702 | 5 Volt Reference
31-32 | -- | -- | Not Used
33 | GRY | 2701 | 5 Volt Reference A
34 | GRY | 2700 | 5 Volt Reference B
35 | BLK | 2759 | Sensor Ground
36-38 | -- | -- | Not Used
39 | DK GRN/WHT | 459 | A/C Compressor Relay Control
40-41 | -- | -- | Not Used
42 | LT BLU/BLK | 844 | Fuel Injection 4 Control
43 | -- | -- | Not Used
44 | LT BLU/BLK | 1748 | IAC Coil A Low
45 | RED/BLK | 1228 | PC Solenoid Valve High
46 | LT BLU/WHT | 1229 | PC Solenoid Valve Low
47-48 | -- | -- | Not Used
49 | LT GRN/BLK | 444 | IAC Coil B Low
50 | TAN | 472 | IAT Sensor Signal
51-54 | -- | -- | Not Used
55 | DK GRN | 890 | Fuel Tank Pressure Input
56 | GRY | 773 | Transaxle Range Switch Input C
57 | DK BLU | 1225 | Trans Fluid Pressure Switch B input
58 | BRN | 1174 | Engine Oil Level Indicator Input
59 | WHT | 85 | Cruise Engaged Input
60 | -- | -- | Not Used
61 | RED | 225 | Generator Control
62 | -- | -- | Not Used
63 | YEL | 657 | TCC Release Switch Input
64-65 | -- | -- | Not Used
66 | DK BLU | 417 | TP Sensor Signal
67 | -- | -- | Not Used
68 | YEL/BLK | 1227 | TFT Sensor Signal
69 | PPL | 1589 | Fuel Level Sensor Input
70 | LT GRN | 1867 | CMP/CKP Sensor Ground
71 | -- | -- | Not Used
72 | RED/WHT | 812 | CMP/CKP Sensor Battery Positive Voltage
73 | BLK | 407 | CMP/CKP Sensor Ground
74 | YEL/BLK | 1868 | CMP/CKP Sensor Battery Positive Voltage
75 | BRN | 436 | Air Pump Relay Control
76 | YEL/BLK | 625 | Crank Relay Control
77 | -- | -- | Not Used
78 | BRN | 418 | TCC PWM Solenoid Control
79-80 | -- | -- | Not Used