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Engine Control Module (ECM) X2 (LZE, LZ4, LZ8)

Fig 1: Engine Control Module (ECM) X2 (LZE, LZ4, LZ8) Connector End View
GM1650398Courtesy of GENERAL MOTORS CORP.
Engine Control Module (ECM) X2 (LZE, LZ4, LZ8)

Pin Wire Circuit Function
1 0.5 GY 474 5-Volt Reference (NU3)
2 0.35 PU/WH 6270 5-Volt Reference 2
3 0.5 GY 2701 5-Volt Reference 2
4 - - Not Used
5 0.5 YE 581 TAC Motor Control - 1
6 0.5 BN 582 TAC Motor Control - 2
7 0.35 PK/BK 429 AIR Solenoid Control (NU3)
8 0.35 D-GN/WH 428 EVAP Canister Purge Solenoid Control
9 0.5 PK 5495 Cylinder Shut Off Solenoid Control 5 (LZ8)
10 0.5 D-BU 5491 Cylinder Shut Off Solenoid Control 1 (LZ8)
11 - - Not Used
12 0.5 GY/WH 3113 HO2S Heater Low Control Sensor 1
13 - - Not Used
14 0.5 GY 5493 Cylinder Shut Off Solenoid Control 3 (LZ8)
15 - - Not Used
16 0.35 BN 2198 Camshaft Position Actuator Solenoid High Control
17 0.5 L-GN/BK 1745 Fuel Injector 2 Control
18 0.5 YE/BK 846 Fuel Injector 6 Control
19 0.5 TN/WH 845 Fuel Injector 5 Control
20 0.5 TN 1744 Fuel Injector 1 Control
21 0.35 YE 410 ECT Sensor Signal
22 0.5 TN 2761 Low Reference
23-25 - - Not Used
26 0.5 D-BU 496 KS 1 Signal
27 0.5 GY 1716 KS 1 Signal
28 - - Not Used
29 0.5 L-BU 1876 KS 2 Signal
30 0.5 GY 2303 KS 2 Signal
31 - - Not Used
32 0.35 GY 23 Generator Field Duty Cycle Signal
33 0.35 BN 1174 Oil Level Switch Signal
34 0.5 BK 2755 Low Reference
35 0.5 TN 2752 Low Reference
36 - - Not Used
37 0.5 L-BU/BK 844 Fuel Injector 4 Control
38-39 - - Not Used
40 0.5 PK/BK 1746 Fuel Injector 3 Control
41 0.5 GY 2705 5-Volt Reference 1
42 - - Not Used
43 0.35 GY 2704 5-Volt Reference 1
44 0.35 D-BU 6259 5-Volt Reference 1
45-49 - - Not Used
50 0.5 TN/WH 331 Oil Pressure Sensor Signal
51 0.5 TN 476 Low Reference (NU3)
52 0.35 TN 2199 Low Reference
53 0.35 OG/BK 469 Low Reference
54-55 - - Not Used
56 0.5 TN/WH 3111 HO2S Low Signal Sensor 1
57 0.5 PU/WH 3110 HO2S High Signal Sensor 1
58 0.35 L-GN 432 MAP Sensor Signal
59-60 - - Not Used
61 0.35 OG 225 Generator Turn On Signal
62 - - Not Used
63 0.5 PU 486 TP Sensor 2 Signal
64 0.35 BN/WH 633 CMP Sensor Signal
65 0.5 D-GN 485 TP Sensor 1 Signal
66 0.35 PK/BK 632 Low Reference
67 0.5 WH 5268 Air Pressure Sensor Signal (NU3)
68 0.35 WH/BK 6271 CKP Sensor Signal
69 0.35 GY/BK 6272 Low Reference
70 0.35 PU 2121 IC 1 Control
71 0.35 OG/WH 2122 IC 2 Control
72 0.35 L-BU 2123 IC 3 Control
73-77 - - Not Used
78 0.35 YE 2174 Low Reference
79-80 - - Not Used
Connector Part Information 
  • OEM: 13581626
  • Service: See Catalog
  • Description: 80-Way F 0.64 2.8 Series, Sealed (GY)
Terminal Part Information 
  • Pins: 1, 14, 17, 23, 27, 33, 35, 39, 42, 43, 46, 59, 62, 63, 67
  • Terminal/Tray: 33467-0003/23
  • Core/Insulation Crimp: H/H
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
  • Pins: 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 24, 29, 32, 40, 44, 48, 49, 52, 60, 64, 66, 68, 69, 71, 72
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
  • Pins: 73
  • Terminal/Tray: 7116-4152-02/9
  • Core/Insulation Crimp: 2/5
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)
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