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Home >> Cadillac >> 2004 >> CTS Base, 3.6 7 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 3.6L - Introduction >> Component Locator >> Engine Control Module (ECM) Connector End Views
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Engine Control Module (ECM) Connector End Views

Engine Control Module (ECM) 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
Engine Control Module (ECM) C2

GM1331455Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 1928403386
  • 64-Way F Bosch (BK)
Pin Wire Color Circuit No. Function
1 PK/BK 5290 Ignition 1 Voltage
2 GY/WH 3122 HO2S Heater Low Control - Bank 1 Sensor 2
3 PK 239 Ignition 1 Voltage
4 D-BU 473 High Speed Cooling Fan Relay Control
5 WH 121 Engine Speed Signal
6 - - Not Used
7 WH/BK 1164 5-Volt Reference A
8 PU 1272 Low Reference
9 OG/BK 380 A/C Refrigerant Pressure Sensor Signal
10 OG 5371 BAS Relay Coil Supply Voltage
11 TN 472 IAT Sensor Signal
12 D-GN 890 Fuel Tank Pressure Sensor Signal
13-14 - - Not Used
15 OG/BK 463 Requested Torque Signal
16 - - Not Used
17 PK/BK 5290 Ignition 1 Voltage
18 OG/WH 3223 HO2S Heater Low Control - Bank 2 Sensor 2
19 D-GN/WH 465 Fuel Pump Relay Control
20 D-GN 335 Low Speed Cooling Fan Relay Control
21 - - Not Used
22 BN 818 Vehicle Speed Signal
23 WH 2500 High Speed GMLAN Serial Data Bus+ (M82)
24 BN 5069 MAIN Relay Control
25 TN 452 Low Reference
26 TN 2760 Low Reference
27 L-BU 1937 Fuel Level Sensor Signal - Secondary
28 - - Not Used
29 PU/WH 1668 HO2S Signal - Bank 1 Sensor 2
30 - - Not Used
31 YE 5 Crank Voltage
32 OG/BK 1786 Park/Neutral Signal (M82)
33 WH 1310 EVAP Canister Vent Solenoid Control
34 - - Not Used
35 YE 447 Starter Relay Coil Control
36 RD/WH 1440 Battery Positive Voltage
37 TN/BK 464 Delivered Torque Signal
38 - - Not Used
39 GY 596 5-Volt Reference A
40 BN 1271 Low Reference
41 TN 1671 HO2S Low Referene - Bank 2 Sensor 2
42 D-BU 1936 Fuel Level Sensor Signal - Primary
43 YE 492 MAF Sensor Signal
44 L-BU 1162 APP Sensor 2 Signal
45-46 - - Not Used
47 YE/BK 5270 Traction Control Data Signal
48 PU 1807 Class 2 Serial Data
49 D-GN/WH 459 A/C Compressor Clutch Relay Control
50 BN/WH 419 MIL Control
51-54 - - Not Used
55 L-GN 2501 High Speed GMLAN Serial Data Bus- (M82)
56 TN 1274 5-Volt Reference C
57 TN/WH 1669 HO2S Low Reference - Bank 1 Sensor 2
58 YE 343 Accessory Voltage
59 GY 1884 Cruise Control Switch Signal
60 D-BU 1161 APP Sensor Signal 1
61 PU 1670 HO2S Signal - Bank 2 Sensor 2
62 - - Not Used
63 GY 847 Extended Travel Brake Switch Signal
64 - - Not Used