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Home >> Saturn >> 2007 >> Aura Green Line >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> OEM Connector End Views (4 Of 5) >> Engine Control Module Connector End Views >> Engine Control Module (ECM) Connector End View C1

Engine Control Module (ECM) Connector End View 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: 13590170
  • Service: See Catalog
  • Description: 56-Way F Receptacle 0.64 Sealed (BU)
Terminal Part Information 
  • Pins: 7, 9, 12-13, 18-20, 26, 31-37, 40, 44, 46-49, 53-55
  • Terminal/Tray: 33467-0003/23
  • Core/Insulation Crimp: H/H
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
Engine Control Module (ECM) C1 Connector Terminal Identification

Pin Wire Color Circuit No. Function
1-6 - - Not Used
7 WH 17 Stop Lamp Switch Signal
8 - - Not Used
9 OG/BK 1057 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 639 Ignition 1 Voltage
20 RD/WH 540 Battery Positive Voltage
21-25 - - Not Used
26 PU/WH 6386 Starter Relay Coil Control
27-30 - - Not Used
31 L-GN/BK 6258 Low Reference
32 GY 6257 5-Volt Reference
33 WH/BK 1164 5-Volt Reference 2
34 GY 705 5-Volt Reference 1
35 TN 1274 5-Volt Reference 1
36 BN 1271 Low Reference
37 PU 1272 Low Reference
38-39 - - Not Used
40 BN 5069 Powertrain Relay Control
41-43 - - Not Used
44 PU 1589 Fuel Level Sensor Signal
45 - - Not Used
46 OG 1809 Brake Booster Vacuum Sensor Signal
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
54 D-BU 473 High Speed Cooling Fan Relay Control
55 WH 1310 EVAP Canister Vent Solenoid Control
56 - - Not Used


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: 13510514
  • Service: 88988736
  • Description: 56-Way F Receptacle MX123 Series (BU)
Terminal Part Information 
  • Pins: 7, 9, 12-13, 18, 20, 26, 33-37, 40, 44, 47-49, 53-55
  • Terminal/Tray: 33467-0003/23
  • Core/Insulation Crimp: H/H
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
  • Pins: 10, 11, 47, 49, 69, 37, 38, 41
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: Pins 10, 11, 47, 49, 69 - K/K
  • Core/Insulation Crimp: Pins 37, 38, 41 - J/J
  • Core/Insulation Crimp: Pins 17, 18, 19, 20, 26, 27, 29, 30, 37, 40 - J/J
  • Core/Insulation Crimp: Pins 6, 7, 8, 9, 19, 20, 21, 22, 23, 32, 35, 36, 37, 38, 39, 42, 48, 49, 52, 56, 57, 58, 59, 62, 67, 71, 72 - J/J
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
Engine Control Module (ECM) C1 Connector Terminal Identification

Pin Wire Color Circuit No. Function
1-6 - - Not Used
7 WH 17 Stop Lamp Switch Signal or Stop Lamp Supply Voltage
8 - - Not Used
9 OG/BK 1057 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 639 Ignition 1 Voltage
20 RD/WH 540 Battery Positive Voltage
21-25 - - Not Used
26 PU/WH 6386 Starter Relay Control
27-32 - - Not Used
33 WH/BK 1164 5-Volt Reference
34 GY 705 5-Volt Reference
35 TN 1274 5-Volt Reference
36 BN 1271 Low Reference
37 PU 1272 Low Reference
38 - - Not Used
39 BN 818 Vehicle Speed Signal
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
54 D-BU 473 High Speed Cooling Fan Relay Control
55 WH 1310 EVAP Canister Vent Solenoid Control
56 - - Not Used
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