For 1990-2009 cars

#### Engine Control Module (ECM)

Connector Part Information |

• | 211PC902S0008

• | 90-Way F Connector (BK)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1-2 | -- | -- | Not Used
3 | BK/WH | 251 | Ground
4 | -- | -- | Not Used
5 | GY | 435 | Exhaust Gas Recirculation (EGR) Solenoid Low Control
6 | D-GN/WH | 465 | Fuel Pump Relay Control
7 | D-BU/WH | 471 | Main Relay Control
8 | D-GN | 135 | Engine Coolant Temperature (ECT) Gage Signal
9 | D-BU | 473 | High Speed - Cooling Fan Relay Control
10 | D-GN | 335 | Low Speed - Cooling Fan Relay Control
11 | BK/WH | 51 | Shield Ground
12 | D-BU/WH | 1876 | Low Reference
13 | OG/BK | 469 | Heated Oxygen Sensor (HO2S) 1 Heater Control
14 | PU | 1670 | Heated Oxygen Sensor (HO2S) 2 Low Reference
15 | -- | -- | Not Used
16 | BN | 413 | Heated Oxygen Sensor (HO2S) 2 Heater Control
17 | L-GN | 632 | Low Reference
18 | -- | -- | Not Used
19 | BK/YE | 808 | Low Reference
20 | L-BU | 203 | A/C Refrigerant Pressure Sensor Signal
21 | D-BU | 1936 | Fuel Level Sensor Signal
22 | BN/WH | 633 | Camshaft Position (CMP) Sensor Signal
23 | -- | -- | Not Used
24 | BK/WH | 251 | Ground
25 | BK/WH | 51 | Shield Ground
26 | -- | -- | Not Used
27 | L-BU | 772 | Octane Switch Signal (Non-OBD)
BK/WH | 251 | Ground (Euro Emissions)
28 | BK/WH | 251 | Ground
29 | PK | 539 | Ignition 1 Voltage
30 | OG | 440 | Battery Positive Voltage
31 | WH | 423 | Ignition Coil (IC) Timing Control (2 and 3)
32 | OG | 406 | Ignition Coil (IC) Timing Control (1 and 4)
33 | BK/WH | 251 | Ground
34 | -- | -- | Not Used
35 | BN/WH | 1666 | Heated Oxygen Sensor (HO2S) 1 Signal
36 | -- | -- | Not Used
37 | WH/BK | 962 | Intake Manifold Tuning Valve Solenoid Control
38 | -- | -- | Not Used
39 | BN/WH | 419 | Multifunction Indicator Lamp (MIL) Control
40 | PU | 30 | Fuel Level Sensor Signal
41 | PU | 67 | A/C Compressor Clutch Coil Supply Voltage
42 | YE/BK | 496 | Knock Sensor (KS) Signal
43 | D-GN | 534 | High Idle Switch Signal
44 | PU/WH | 1665 | Heated Oxygen Sensor (HO2S) 1 Low Reference (OBD)
O2 Sensor Signal (Non OBD)
45 | BN | 1456 | Exhaust Gas Recirculation (EGR) Valve Position Signal
46 | GY | 605 | Low Reference
47-49 | -- | -- | Not Used
50 | L-BU/BK | 1688 | 5-Volt Reference
51 | D-GN/WH | 817 | Vehicle Speed Signal (Manual Transmission)
52 | D-GN/WH | 762 | A/C Request Signal
53 | WH | 873 | Rough Road Sensor Signal
D-BU | 876 | Rough Road Sensor Signal w/ABS
54 | YE/BK | 1868 | Low Reference
55 | PK | 427 | Idle Speed Control Motor Switch Signal
56 | PU | 2000 | Keyword Serial Data
57 | YE | 710 | CAN Serial Data Low (Automatic Transmission)
58 | -- | -- | Not Used
59 | BK | 1744 | Fuel Injector 1 Control
60 | PK/BK | 1746 | Fuel Injector 3 Control
61 | D-BU | 426 | Idle Motor Return
62 | L-BU | 425 | Idle Motor Feed
63 | -- | -- | Not Used
64 | BN/WH | 1671 | Heated Oxygen Sensor (HO2S) 2 Signal
65 | D-GN/WH | 428 | EVAP Canister Purge Solenoid Control
66 | PK/BK | 1846 | Ignition 1 Voltage
67 | BK/WH | 251 | Ground
68 | WH | 121 | Engine Speed Signal
69 | GY | 435 | Exhaust Gas Recirculation (EGR) Solenoid Low Control (Non OBD)
70-73 | -- | -- | Not Used
74 | D-BU | 417 | Throttle Position (TP) Sensor Signal
75 | L-GN | 432 | Manifold Absolute Pressure (MAP) Sensor Signal
76 | YE | 410 | Engine Coolant Temperature (ECT) Sensor Signal
77 | -- | -- | Not Used
78 | BN | 472 | Intake Air Temperature (IAT) Sensor Signal
79 | GY | 416 | 5-Volt Reference
80 | -- | -- | Not Used
81 | PU | 773 | Octane Switch Signal
BK/WH | 251 | Ground
82 | -- | -- | Not Used
83 | BN | 990 | Power Steering Pressure Switch Signal
84 | OG | 830 | 5-Volt Reference
85 | D-BU/WH | 1869 | Crankshaft Position Sensor Signal
86-87 | -- | -- | Not Used
88 | PU | 1807 | CAN Serial Data High
89 | L-BU/BK | 844 | Fuel Injector 4 Control
90 | L-GN/BK | 1745 | Fuel Injector 2 Control