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Home >> Chevrolet >> 2006 >> Malibu SS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 3.9L - Introduction (2 Of 2) >> Component Locator >> Engine Control Module (ECM) Connectors >> Engine Control Module (ECM) C1
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Engine Control Module (ECM) C1

Fig 1: Powertrain Control Module (PCM) C1 & C3 Connector End View
GM1228485Courtesy of GENERAL MOTORS CORP.

Connector Part Information 

Terminal Part Information 

ENGINE CONTROL MODULE (ECM) C1 TERMINAL IDENTIFICATION

Pin Wire Color Circuit No. Function
1-6 - - Not Available
7 WH 17 Stop Lamp Supply Voltage
8 - - Not Available
9 OG/BK 1057 Low Reference
10-11 - - Not Available
12 BN/WH 419 MIL Control
13 D-GN/WH 465 Fuel Pump Relay Control
14-17 - - Not Available
18 BN 4 Accessory Voltage
19 PK 639 Ignition 1 Voltage
20 RD/WH 540 Battery Positive Voltage
21-25 - - Not Available
26 PU/WH 6386 Starter Relay Coil Control
27-32 - - Not Available
33 WH/BK 1164 5-Volt Reference B
34 GY 705 5-Volt Reference A
35 TN 1274 5-Volt Reference A
36 BN 1271 Low Reference
37 PU 1272 Low Reference
38 - - Not Available
39 BN 818 Vehicle Speed Signal
40 BN 5069 Powertrain Relay Control
41-43 - - Not Available
44 PU 1589 Fuel Level Sensor Signal
45-46 - - Not Available
47 D-BU 1161 APP Sensor 1 Signal
48 D-GN 890 Fuel Tank Pressure Sensor Signal
49 L-BU 1162 APP Sensor 2 Signal
50-52 - - Not Available
53 D-GN/WH 459 A/C Compressor Clutch Relay Control
54 D-BU 473 High Speed Cooling Fan Relay Control
55 WH 1310 EVAP Canister Vent Solenoid Control
56 - - Not Available