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Home >> Saturn >> 2007 >> Sky Base, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls & Fuel - 2.4L - Introduction (2 Of 2) >> Component Locator >> Engine Control Module Connector End Views >> Engine Control Module (ECM) C1
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Engine Control Module (ECM) C1

Fig 1: Engine Control Module (ECM) C1 Connector End View
GM1673474Courtesy of GENERAL MOTORS CORP.
Engine Control Module (ECM) C1 Connector Parts Information

Connector Part Information 
  • OEM: 34576-2603
  • Service: 88988373
  • Description: 56-Way F (GY)
Terminal Part Information 
  • Pins: 6, 9, 13, 19, 20, 34, 44, 48, 55
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: J38125-213/J-35616-64B (L-BU)
  • Pins: 7, 12, 18, 33, 35-37, 40, 47, 49, 53, 54, 56
  • Terminal/Tray: 33467-0003/23
  • Core/Insulation Crimp: H/H
  • Release Tool/Test Probe: J38125-213/J-35616-64B (L-BU)
Engine Control Module (ECM) C1 Connector Terminal Identification

Pin Wire Color Circuit No. Function
1-5 - - Not Used
6 BN/WH 379 CPP Switch Signal (MA5)
7 L-BU 20 Stop Lamp Supply Voltage
8 - - Not Used
9 TN 2759 Fuel Tank Pressure Sensor Low Reference
10-11 - - Not Used
12 BN/WH 419 MIL Control
13 D-GN/WH 465 Fuel Pump Relay Control
14-17 - - Not Used
18 BN 4 Accessory Voltage
19 PK 1039 Ignition 1 Voltage
20 RD/WH 840 Battery Positive Voltage
21-32 - - Not Used
33 WH/BK 1164 5-Volt Reference
34 GY 2709 5-Volt Reference
35 TN 1274 5-Volt Reference
36 BN 1271 Low Reference
37 PU 1272 Low Reference
38-39 - - Not Used
40 BN 5069 Main Relay Control
41-43 - - Not Used
44 PU 1589 Fuel Level Sensor Signal
45-46 - - Not Used
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 Used
53 D-GN/WH 459 A/C Compressor Clutch Relay Control (C60)
54 D-BU 473 High Speed Cooling Fan Relay Control
55 WH 1310 EVAP Canister Vent Solenoid Control
56 YE 447 Starter Relay Coil Control