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Engine Control Module (ECM) Connector End View C1

Engine Control Module (ECM) Connector End View C1

GM816165Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 1928403379
  • 64-Way F Bosch (BK)
Pin Wire Color Circuit No. Function
1 YE 581 TAC Motor Control - 1
2 YE 5036 HO2S Heater Low Control - Bank 2 Sensor 2
3 PK/BK 1746 Fuel Injector 3 Control
4 L-BU/WH 5041 IMRC Solenoid Control
5 D-GN/WH 428 EVAP Canister Purge Solenoid Control
6 TN 407 Low Reference
7 TN 1671 HO2S Low Signal - Bank 2 Sensor 2
8 BN/WH 633 CMP Sensor Signal
9 - - Not Used
10 WH/BK 5039 CKP Sensor High
11 - - Not Used
12 TN 1667 HO2S Low Signal - Bank 2 Sensor 1
13 - - Not Used
14 D-GN 2125 IC 5 Control
15 L-BU 2123 IC 3 Control
16 PU 2121 IC 1 Control
17 BN 582 TAC Motor Control - 2
18 PU/WH 5037 HO2S Heater Low Control - Bank 2 Sensor 1
19 TN 1744 Fuel Injector 1 Control
20 TN/WH 845 Fuel Injector 5 Control
21 - - Not Used
22 D-BU 496 Knock Sensor 1 Signal
23 PU/WH 1668 HO2S High Signal - Bank 1 Sensor 2
24 D-GN 485 TP Sensor 1 Signal
25 YE 410 ECT Sensor Signal
26 TN 2761 Low Reference
27 - - Not Used
28 PU/WH 1665 HO2S High Signal - Bank 1 Sensor 1
29 TN/BK 231 Oil Pressure Switch Signal
30 OG/WH 2122 IC 2 Control
31 D-GN/WH 2124 IC 4 Control
32 L-BU/WH 2126 IC 6 Control
33 YE 581 TAC Motor Control - 1
34 PU 5035 HO2S Heater Low Control - Bank 1 Sensor 2
35 L-GN/BK 1745 Fuel Injector 2 Control
36 YE/BK 846 Fuel Injector 6 Control
37 - - Not Used
38 L-BU 1876 Knock Sensor 2 Signal
39 PU 1670 HO2S High Signal - Bank 2 Sensor 2
40 PU 486 TP Sensor 2 Signal
41 - - Not Used
42 TN 2752 Low Reference
43 - - Not Used
44 PU 1666 HO2S High Signal - Bank 2 Sensor 1
45-48 - - Not Used
49 BN 582 TAC Motor Control - 2
50 L-BU 5038 HO2S Heater Low Control - Bank 1 Sensor 1
51 TN 2760 5-Volt Reference
52 L-BU/BK 844 Fuel Injector 4 Control
53 PU/BK 5042 IMTV Solenoid Control
54 GY 1716 Low Reference
55 TN/WH 1669 HO2S Low Signal - Bank 1 Sensor 2
56 YE 492 MAF Sensor Signal
57 TN 472 IAT Sensor Signal
58 GY 2701 5-Volt Reference
59 PU/WH 5024 CKP Sensor Low
60 TN/WH 1653 HO2S Low Signal - Bank 1 Sensor 1
61 - - Not Used
62 BK 1705 Shielded Ground
63-64 - - Not Used


Engine Control Module (ECM) Connector End View C1

GM1331454Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 1928403513
  • 64-Way F Bosch (BK)
Pin Wire Color Circuit No. Function
1 TN 407 Low Reference
2 OG 5280 HO2S Input Pump Current - Bank 2 Sensor 1
3 L-GN 5278 HO2S Input Pump Current - Bank 1 Sensor 1
4 OG 5275 CMP Sensor Signal - Intake Bank 1
5 GY 605 5-Volt Reference A
6 - - Not Used
7 TN 470 Low Reference
8 PU 486 TP Sensor Signal 2
9 D-GN/WH 2124 IC 4 Control
10 WH/BK 5039 CKP Sensor Signal
11 - - Not Used
12 OG/BK 5272 CMP Actuator Solenoid Control - Intake Bank 2
13 L-GN 5282 CMP Actuator Solenoid Control - Exhaust Bank 1
14 - - Not Used
15 TN 582 TAC Motor Control - 2
16 GY/WH 3113 HO2S Heater Low Control - Bank 1 Sensor 1
17 GY 1716 Low Reference
18 TN 1667 HO2S Low Reference - Bank 2 Sensor 1
19 PU/WH 1665 HO2S Reference Voltage - Bank 1 Sensor 1
20 D-GN 5273 CMP Sensor Signal - Exhaust Bank 1
21 GY 23 Generator Field Duty Cycle Signal
22 - - Not Used
23 YE 410 ECT Sensor Signal
24 - - Not Used
25 L-BU/WH 2126 IC 6 Control
26 OG/WH 2122 IC 2 Control
27-28 - - Not Used
29 PK 5284 CMP Actuator Solenoid Control - Intake Bank 1
30 WH/BK 5283 CMP Actuator Solenoid Control - Exhaust Bank 2
31 YE 581 TAC Motor Control - 1
32 L-GN 3212 HO2S Heater Low Control - Bank 2 Sensor 1
33 D-BU 496 Knock Sensor 1 Signal
34 PU 1666 HO2S Reference Voltage - Bank 2 Sensor 1
35 WH 5279 HO2S Pump Current - Bank 1 Sensor 1
36 PU 5274 CMP Sensor Signal - Exhaust Bank 2
37 BN 1174 Oil Level Switch Signal
38 D-GN/WH 357 Oil Temperature Sensor Signal
39 TN 2752 Low Reference
40 TN/BK 231 Oil Pressure Switch Signal
41 D-GN 2125 IC 5 Control
42 PU 2121 IC 1 Control
43 OG 225 Generator Turn On Signal
44 D-BU/BK 5041 IMRC Solenoid Control
45 D-BU/BK 844 Fuel Injector 4 Control
46 PK/BK 1746 Fuel Injector 3 Control
47 TN/WH 845 Fuel Injector 5 Control
48 L-GN/WH 428 EVAP Canister Purge Solenoid Control
49 GY/BK 1798 Drain Wire
50 L-BU 1876 Knock Sensor 2 Signal
51 PU/WH 5281 HO2S Pump Current - Bank 2 Sensor 1
52 TN 1664 HO2S Low Reference - Bank 1 Sensor 1
53 YE 5276 CMP Sensor Signal - Intake Bank 2
54 GY 2701 5-Volt Reference C
55 D-GN 485 TP Sensor Signal 1
56 OG/BK 5266 BARO Sensor Signal
57 GY 705 5-Volt Reference B
58 L-BU 2123 IC 3 Control
59 PU/WH 5024 CKP Sensor Low Reference
60-61 - - Not Used
62 L-GN/BK 1745 Fuel Injector 2 Control
63 TN 1744 Fuel Injector 1 Control
64 YE/BK 846 Fuel Injector 6 Control