For 1990-2009 cars

Table 1: | PCM Connector C1 (Red)
Table 2: | PCM Connector C2 (Blue)

#### PCM Connector C1 (Red)

Connector Part Information |

• | PCM Connector C1 (Red)

• | 80 Pin Connector

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1-2 | -- | -- | Not Used
3 | WHT | 1310 | EVAP Canister Vent Solenoid Valve Control
4 | BRN/WHT | 633 | Camshaft Position Sensor Signal
5-6 | -- | -- | Not Used
7 | YEL | 400 | VSS Signal High
8 | -- | -- | Not Used
9 | PNK/BLK | 1746 | Injector #3 Control
10 | -- | -- | Not Used
11 | DK BLU | 229 | VTD Fuel Enable
12 | LT BLU/BLK | 844 | Injector #4 Control
13 | RED/WHT | 2122 | Ignition #2 Control
14 | DK GRN | 59 | A/C Status
15 | BLK/WHT | 845 | Injector #5 Control
16-17 | -- | -- | Not Used
18 | YEL/BLK | 846 | Injector #6 Control
19-20 | -- | -- | Not Used
21 | PPL | 719 | IAT Sensor Ground
22 | DK BLU | 1225 | Transmission Range Signal B
23 | LT GRN/BLK | 1745 | Injector #2 Control
24 | BLK/WHT | 1704 | Sensor Ground Jumper
25 | PNK | 1224 | Transmission Range Signal A
26 | -- | -- | Not Used
27 | RED/BLK | 877 | Injector #7 Control
28-29 | -- | -- | Not Used
30 | GRY/BLK | 1687 | Spark Retard Signal
31 | DK BLU/WHT | 878 | Injector #8 Control
32 | ORN/BLK | 434 | PNP Switch Signal
33 | BLK | 1744 | Injector #1 Control
34 | GRY or WHT | 587 or 687 | Skip Shift Solenoid (M/T) or 3-2 Shift Solenoid (A/T)
35 | LT GRN | 1222 | 1-2 Shift Solenoid
36 | DK/BLU | 1936 | Fuel Gauge Output Control
37 | BRN/WHT | 419 | MIL Control
38 | -- | -- | Not Used
39 | DK GRN/WHT | 459 | A/C Clutch Relay Control
40 | WHT or YEL/BLK | 375 or 1223 | Skip Shift Lamp Control (M/T) or 2-3 Shift Solenoid (A/T)
41 | BRN/WHT | 1173 | Low Oil Level Indicator Lamp Control
42 | LT GRN | 1652 | Reverse Inhibit Solenoid Control
43 | DK/GRN | 335 | Cooling Fan Relay #1 Control
44 | YEL | 573 | Crankshaft Position Sensor Signal Input
45 | DK GRN/WHT | 428 | EVAP Canister Purge Valve Control
46 | -- | -- | Not Used
47 | DK GRN/WHT | 762 | A/C Request Signal
48 | YEL | 492 | MAF Signal
49 | PPL | 2121 | Ignition #1 Control
50-51 | -- | -- | Not Used
52 | PPL/WHT | 2128 | Ignition #8 Control
53 | RED | 2127 | Ignition #7 Control
54 | LT BLU/WHT | 2126 | Ignition #6 Control
55 | DK GRN/WHT | 817 | VSS Output Signal
56 | DK GRN | 2125 | Ignition #5 Control
57 | DK GRN/WHT | 2124 | Ignition #4 Control
58 | LT BLU | 2123 | Ignition #3 Control
59 | BRN/WHT | 2130 | Ignition Control Reference Low Bank 2
60 | BRN | 2129 | Ignition Control Reference Low Bank 1
61 | RED | 1226 | Transmission Range Signal C
62 | BLK | 552 | EGR Pintle Position Ground
63 | BLK | 407 | A/C Refrigerant Pressure Sensor Ground
64-70 | -- | -- | Not Used
71 | PPL | 401 | VSS Signal Low
72 | BLK | 451 | PCM Ground
73-74 | -- | -- | Not Used
75 | GRY | 720 | Left and Right Fuel Tank Level Sensor Ground
76 | BLK | 451 | PCM Ground
77 | PPL | 420 | TCC/Brake Switch Signal
78-80 | -- | -- | Not Used

#### PCM Connector C2 (Blue)

Connector Part Information |

• | PCM Connector C2 (Blue)

• | 80 Pin Connector

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1 | TAN | 1671 | HO2S Signal Low Bank 2 Sensor 2
2 | TAN/WHT | 1669 | HO2S Signal Low Bank 1 Sensor 2
3 | TAN | 800 | Serial Data (UART)
4 | RED | 631 | Camshaft Position Sensor B+ Supply
5 | TAN | 1667 | HO2S Signal Low Bank 2 Sensor 1
6 | TAN/WHT | 1653 | HO2S Signal Low Bank 1 Sensor 1
7 | RED/BLK | 380 | A/C Refrigerant Pressure Sensor Signal
8 | TAN | 472 | IAT Sensor Signal
9 | BRN | 1456 | EGR Pintle Position Sensor Signal
10 | PPL | 30 | Fuel Level Sensor Signal
11 | -- | -- | Not Used
12 | DK BLU | 417 | TP Sensor Signal
13 | YEL/BLK | 1227 | Transmission Fluid Temperature Sensor Signal
14 | ORN/BLK | 1057 | Transmission Fluid Temperature Sensor Ground
15-18 | -- | -- | Not Used
19 | PNK | 439 | PCM Ignition 1 Feed
20 | ORN | 340 | PCM Battery Feed
21 | BLK | 451 | PCM Ground
22 | YEL/BLK | 1868 | Crankshaft Position Sensor Ground
23 | BLK | 452 | TP Sensor Ground
24 | BLK/WHT | 1704 | Sensor Ground Jumper
25 | BRN | 718 | ECT Sensor Ground
26 | ORN/BLK | 469 | MAP Sensor Ground
27 | -- | -- | Not Used
28 | DK BLU | 473 | Engine Cooling Fan Relay #2 and #3 Control
29 | -- | -- | Not Used
30 | BRN | 436 | AIR Pump Relay Control
31 | PPL | 421 | AIR Solenoid Relay Control
32 | TAN/BLK | 422 | TCC Enable Solenoid
33 | BRN | 418 | TCC (PWM) Solenoid Valve Control
34 | GRY | 435 | EGR Valve Ground
35 | WHT | 121 | Engine Speed (Tach) Output Signal
36 | LT BLU/WHT | 1229 | Transmission Fluid Pressure Control Solenoid Control Low
37 | DK GRN/WHT | 465 | Fuel Pump Relay Control
38 | LT BLU | 697 | EGR Valve Control Circuit
39 | RED/BLK | 1228 | Transmission Fluid Pressure Control Solenoid Control High
40 | -- | -- | Not Used
41 | PPL | 1670 | HO2S Signal High Bank 2 Sensor 2
42 | PPL/WHT | 1668 | HO2S Signal High Bank 1 Sensor 2
43 | GRY | 596 | TP Sensor 5V Reference
44-45 | -- | -- | Not Used
46 | PPL | 1666 | HO2S Signal High Bank 2 Sensor 1
47 | PPL/WHT | 1665 | HO2S Signal High Bank 1 Sensor 1
48 | LT GRN | 432 | MAP Sensor Signal
49 | YEL | 410 | ECT Sensor Signal
50-51 | -- | -- | Not Used
52 | DK GRN | 890 | Fuel Tank Pressure Sensor Signal
53 | -- | -- | Not Used
54 | LT GRN/BLK | 444 | IAC Coil B Low
55 | LT BLU/BLK | 1748 | IAC Coil A Low
56 | LT BLU/WHT | 1747 | IAC Coil A High
57 | LT GRN/WHT | 1749 | IAC Coil B High
58 | PPL | 1807 | Serial Data (Class 2)
59 | -- | -- | Not Used
60 | BLK | 451 | PCM Ground
61 | ORN | 340 | PCM Battery Feed
62 | LT GRN | 1867 | Crankshaft Position Sensor B+ Supply
63 | -- | -- | Not Used
64 | GRY | 416 | MAP Sensor 5.0 Volt Reference
65 | GRY | 705 | 5V Reference
66 | GRY | 474 | A/C Refrigerant Pressure Sensor 5.0 Volt Reference
67 | GRY | 598 | 5V Reference
68 | LT BLU | 1876 | Knock Sensor (KS) Rear
69 | DK BLU | 496 | Knock Sensor (KS) Front
70 | PNK/BLK | 632 | Camshaft Position Sensor Ground
71-75 | -- | -- | Not Used
76 | BRN | 1174 | Oil Level Sensor Signal
77-80 | -- | -- | Not Used