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Home >> Pontiac >> 2007 >> Solstice Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 245 (Wiring Systems And Power Management - Component Connector End Views - E Through H) >> Component Connector End Views - E Through H >> Engine Control Module (ECM) X1 (LAP)

Engine Control Module (ECM) X1 (LAP)

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Engine Control Module (ECM) X1 (LAP)
GM1590592Courtesy of GENERAL MOTORS CORP.
Engine Control Module (ECM) X1 (LAP)

Pin Wire Circuit Function
1 0.35 D-BU 1161 APP Sensor 1 Signal
2 - - Not Available
3 0.35 BN 4 Accessory Voltage
4 - - Not Used
5 0.35 D-GN 335 Low Speed Cooling Fan Relay Control
6 0.35 D-GN/WH 465 Fuel Pump Relay Control
7-10 - - Not Available
11 0.35 OG/GN 7360 Low Reference (M86)
12 - - Not Available
13 0.35 YE 5991 Powertrain Relay Control
14-17 - - Not Available
18 0.35 L-BU 1162 APP Sensor 2 Signal
19 0.5 PK 1039 Ignition Voltage
20 0.5 RD/WH 840 Battery Positive Voltage
21 0.35 PU 1272 Low Reference
22-23 - - Not Available
24 0.35 TN 2759 Low Reference
25 0.35 OG/BK 380 A/C Refrigerant Pressure Sensor Signal (C67)
26 - - Not Available
27 0.35 BN/WH 419 MIL Control
28-29 - - Not Available
30 0.35 D-GN/WH 459 A/C Compressor Clutch Relay Control (C67)
31 - - Not Available
32 0.35 PU/WH 6386 Starter Control
33 - - Not Available
34 0.35 PU/WH 6356 VSS Signal Low
35-36 - - Not Available
37 0.35 YE 492 MAF Sensor Signal
38 - - Not Available
39 0.35 PU 1589 Fuel Level Sensor Signal
40 - - Not Available
41 0.35 BN 1271 Low Reference
42 0.35 D-GN 890 FTP Sensor Signal
43 0.35 TN/BK 2500 High Speed GMLAN Serial Data (+) 1
44 0.35 TN 2501 High Speed GMLAN Serial Data (-) 1
45 0.35 D-BU/WH 7361 5-Volt Reference 2 (M86)
46 - - Not Available
47 0.35 WH/BK 1164 5-Volt Reference 2
48 - - Not Available
49 0.35 D-BU 473 Coolant Fan Relay Output - Coil
50-53 - - Not Available
54 0.35 BN/WH 6354 VSS Signal High
55 0.35 L-BU 20 Stop Lamp Supply Voltage
56 0.35 D-GN 1433 PNP/Clutch Start Switch Signal (M86/MN5/MM5)
57 0.35 D-GN 6307 Park/Neutral Signal (MN5/MMS)
58 0.35 L-BU 6289 IAT Sensor Signal
59-60 - - Not Available
61 0.35 L-GN 6338 CPP Sensor Signal (M86)
62-65 - - Not Available
66 0.35 GY 2709 5-Volt Reference 1
67 0.35 TN 1274 5-Volt Reference 1
68 0.35 BN 436 Air Injection Reaction Pump Motor Relay Output - Coil (NU6)
69 - - Not Available
70 0.5 WH 1310 EVAP Canister Vent Solenoid Control
71-72 - - Not Available
73 0.8 PK/BK 5290 Ignition Voltage
Connector Part Information 
  • Harness: Engine
  • OEM: 15499466
  • Service: 88988931
  • Description: 73-Way F MX123 Series, Sealed (BK)
Terminal Part Information 
  • Pin: 73
  • Terminal/Tray: 7116-4151-02/9
  • Core/Insulation Crimp: C
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)
  • Pins: 1, 3-6, 13, 18, 21, 24, 25, 27, 30, 31, 34, 36, 37, 39, 41-44, 47, 49, 54-56, 58, 66-68
  • Terminal/Tray: 33467-0003/23
  • Core/Insulation Crimp: H/H
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
  • Pins: 19, 20, 70
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
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