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Home >> Chevrolet >> 2009 >> HHR SS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 577 (Wiring Systems And Power Management - Component Connector End Views - Dome Through Heated Oxygen Sensor) >> Component Connector End Views >> Engine Control Module (ECM) X1 Connector End View

Engine Control Module (ECM) X1 Connector End View

WARNING: This page is about a different car, the 2011 GMC Canyon and 2011 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Engine Control Module (ECM) X1 Connector End View
GM1590948Courtesy of GENERAL MOTORS CORP.
Engine Control Module (ECM) X1

Pin Wire Circuit Function
1 - - Not Available
2 0.35 PU 420 Cruise Control Release Signal
3 - - Not Available
4 0.35 D-GN/WH 1559 4WD Low Signal (NP1)
5-6 - - Not Available
7 0.8 L-BU 20 Stop Lamp Control
8 - - Not Available
9 0.35 BK 2759 Low Reference
10-11 - - Not Available
12 0.35 BN/WH 419 MIL Control
13 0.35 D-GN/WH 465 Fuel Pump Relay Control
14 - - Not Available
15 0.35 PU 1807 Class 2 Serial Data
16 0.35 PU 1807 Class 2 Serial Data
17 - - Not Available
18 0.5 BN 4 Ignition Voltage
19 0.35 PK 639 Ignition Voltage
20 0.35 OG 440 Battery Positive Voltage
21-23 - - Not Available
24 - - Not Used
25 - - Not Available
26 0.35 YE/BK 625 Starter Enable Relay Control
27-28 - - Not Available
29 0.35 GY 1884 Cruise Control Switch Signal
30-32 - - Not Available
33 0.35 WH/BK 1164 5-Volt Reference
34 0.35 GY 2709 5-Volt Reference
35 0.35 TN 1274 5-Volt Reference
36 0.35 BN 1271 Low Reference
37 0.35 PU 1272 Low Reference
38-39 - - Not Available
40 0.35 YE 5991 Powertrain Relay Control
41-43 - - Not Available
44 0.35 PU 1589 Fuel Level Sensor Signal
45-46 - - Not Available
47 0.35 D-BU 1161 APP Sensor 1 Signal
48 0.35 D-GN 890 Fuel Tank Pressure Sensor Signal
49 0.35 L-BU 1162 APP Sensor 2 Signal
50 - - Not Available
51 0.8 PU 421 AIR Solenoid Relay Control (K18)
52 - - Not Available
53 0.35 D-GN/WH 459 A/C Compressor Clutch Relay Control
54 - - Not Available
55 0.5 WH 1310 EVAP Canister Vent Solenoid Control
56 - - Not Available
Connector Part Information 
  • Harness: Body
  • OEM: 13599443
  • Service: Pending
  • Description: 56-Way F MX123 Series, Sealed (BU) with (BK) Case
Terminal Part Information 
  • Pins: 2, 4, 9, 12-13, 15-16, 19-20, 26, 29, 33-37, 40, 44, 47-49, 53, 55
  • Terminated Lead: 13575811
  • Release Tool: J-38125-213
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 33467-0003/23
  • Core/Insulation Crimp: H/H
  • Pins: 7, 18, 51
  • Terminated Lead: 13575575
  • Release Tool: J-38125-213
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp Pin: 18 :J/J
  • Core/Insulation Crimp: Pins: 7, 51: K/K
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