LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Saturn >> 2008 >> Astra XE, Standard >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Electrical Component Locations >> Wiring Systems And Power Management - Component Views & Component Connector End Views >> Component Connector End Views >> Engine Control Module (ECM) X2
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Engine Control Module (ECM) X2

Fig 1: Engine Control Module (ECM) X2 Connector End View
GM1331455Courtesy of GENERAL MOTORS CORP.
Engine Control Module (ECM) X2

Pin Wire Color Circuit No. Function
1 0.5 BK 998 MIL Control
2-5 - - Not Used
6 0.5 GN 2501 High Speed GMLAN Serial Data (-)
7-9 - - Not Used
10 0.5 RD/WH 335 Low Speed Cooling Fan Relay Control
11 - - Not Used
12 0.5 BN/PU 1 Brake Booster Pump Relay Control
13-15 - - Not Used
16 0.5 BK/YE 379 Cruise Control Clutch Pedal Position Switch Signal
17-22 - - Not Used
23 0.5 BK/WH 2700 5 Volt Reference 1
24 0.5 BK/WH 1164 5 Volt Reference 1
25 0.5 BK/WH 1274 5 Volt Reference 2
26 0.5 BN 1271 Low Reference
27 0.5 BN 1272 Low Reference
28-29 - - Not Used
30 0.5 BN/BU 5514 Low Reference
31 0.75 RD 5290 Ignition Voltage
32 0.5 RD 3540 Battery Positive Voltage
33-34 - - Not Used
35 0.5 BN/BU 6014 Low Reference
36 0.5 BN/VT 61 Low Reference
37 - - Not Used
38 0.5 BU 2500 High Speed GMLAN Serial Data (+)
39 0.5 BN/BU 251 Low Reference
40-41 - - Not Used
42 0.5 BU/YE 890 Fuel Tank Pressure Sensor Signal
43 0.5 BN/GN 636 Outside Ambient Air Temperature Sensor Signal
44 0.5 BU 5266 Ambient Air Pressure Sensor Signal
45 0.5 BK/YE 848 Brake Switch Signal
46 0.5 BN/YE 2759 Low Reference
47 0.75 RD 5290 Ignition Voltage
48 0.5 BN/VT 1 Brake Booster Vacuum Pump Control
49 0.5 BN/GN 465 Fuel Pump Primary Relay Control
50-51 - - Not Used
52 0.5 BU/WH 225 Generator Turn On Signal
53 0.5 BK/YE 1162 Accelerator Pedal Position Signal 2
54 0.5 BK/YE 1161 Accelerator Pedal Position Signal 1
55 0.5 GN/BU 30 Fuel Level Sensor Signal
56 0.5 YE/RD 203 A/C High Pressure Switch Signal
57 0.5 BK/YE 340 Stop Lamp Switch Signal
58 0.5 BN 2350 EVAP Canister Vent Solenoid Control
59 0.5 RD/WH 473 High Speed Cooling Fan Relay Control
60 0.5 BU/BK 1039 ECM Starter Control
61 0.5 RD/WH 5267 Turbo Cooling Fan Relay Control
62 0.5 BN/YE 5069 Engine Main Relay Coil Control
63 - - Not Used
64 0.5 BK 39 Run/Crank Ignition 1 Voltage
Connector Part Information 
  • OEM: 15368916
  • Service: 88956567
  • Description: 64-Way F Sealed (BK)
Terminal Part Information 
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit