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Engine Control Module (ECM) Connector End Views

Engine Control Module (ECM) C1 Connector End View

GM1331455Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • OEM: 1928403513
  • Service:
  • 64-Way F Unknown (BK)
Terminal Part Information
  • Terminal:
  • Terminal Seal:
  • Release Tool:
  • Core Crimp:
  • Insulation Crimp:
  • Test Probe:
Pin Wire Color Circuit No. Function
1 TN 407 KS Low Reference Bank 2
2 OG 5278 Heated Oxygen Sensor Input Pump Current Bank 1 Sensor (1)
3 L-GN 5280 Heated Oxygen Sensor Input Pump Current Bank 2 Sensor (1)
4 OG 5275 Camshaft Position Intake Sensor (1)
5 GY 605 Reference Voltage Feed - 5-Volt Reference
6 YE 7017 Variable Intake Manifold Position Signal
7 TN 470 Low Reference
8 PU 486 Throttle Position Sensor Signal 2
9 D-GN/WH 2124 Electronic Spark Timing Signal Cylinder 4
10 WH/BK 5039 Engine Speed Sensor High
11 - - Not Used
12 OG/BK 5272 Camshaft Phaser Intake Solenoid (2)
13 L-GN 5282 Camshaft Phaser Exhaust Solenoid (1)
14 - - Not Used
15 BN 582 Throttle Motor Feed - Close
16 GY/WH 5037 Heated Oxygen Sensor Heater High Control Bank 2 Sensor (2)
17 GY 1716 Knock Sensor Return
18 TN 1653 Oxygen Sensor Return - Left - Forward of Catalytic Converter
19 PU/WH 1666 Oxygen Sensor Signal - Right - Forward of Catalytic Converter
20 D-GN 5273 Camshaft Position Exhaust Sensor (1)
21 GY 23 Alternator Field Duty Cycle Signal
22 - - Not Used
23 YE 410 Coolant Temperature Sensor Signal
24 - - Not Used
25 L-BU/WH 2126 Electronic Spark Timing Signal Cylinder 6
26 OG/WH 2122 Electronic Spark Timing Signal Cylinder 2
27-28 - - Not Used
29 PU 5284 Camshaft Phaser Intake Solenoid (1)
30 WH/BK 5283 Camshaft Phaser Exhaust Solenoid (2)
31 YE 581 Throttle Motor Feed - Open
32 L-GN 5038 Heated Oxygen Sensor Heater High Control Bank 1 Sensor (3)
33 D-BU 496 Knock Sensor Signal 1
34 PU 1665 Oxygen Sensor Signal - Left - Forward of Catalytic Converter
35 WH 5281 Heated Oxygen Sensor Pump Current Bank 2 Sensor (1)
36 PU 5274 Camshaft Position Exhaust Sensor (2)
37 BN 1174 Oil Level Sensor Signal
38 D-GN/WH 357 Oil Temperature Sensor Signal
39 TN 2752 Sensor Return - Throttle Position Sensor
40 TN/BK 231 Oil Pressure Switch Signal
41 D-GN 2125 Electronic Spark Timing Signal Cylinder 5
42 PU 2121 Electronic Spark Timing Signal Cylinder 1
43 OG 225 Alternator Output - Regulator Reference Voltage
44 L-BU/BK 5041 Intake Manifold Control (1)
45 L-BU/BK 844 Fuel Injector 4 Output
46 PK/BK 1746 Fuel Injector 3 Output
47 TN/WH 845 Fuel Injector 5 Output
48 L-GN/WH 428 Canister Purge Solenoid Output
49 GY/BK 1798 Return
50 L-BU 1876 Knock Sensor Signal 2
51 PU/WH 5279 Heated Oxygen Sensor Pump Current Bank 1 Sensor (1)
52 TN 1667 Oxygen Sensor Return - Right - Forward of Catalytic Converter
53 YE 5276 Camshaft Position Intake Sensor (2)
54 GY 2701 Reference Voltage Feed - 5-Volt Ref - Throttle Position Sensor
55 D-GN 485 Throttle Position Sensor Signal 1
56 OG/BK 5266 Baro Sensor Signal
57 GY 705 Reference Voltage Feed - 5-Volt Reference
58 L-BU 2123 Electronic Spark Timing Signal Cylinder 3
59 PU/WH 5024 Engine Speed Sensor Low
60-61 - - Not Used
62 L-GN/BK 1745 Fuel Injector 2 Output
63 TN 1744 Fuel Injector 1 Output
64 YE/BK 846 Fuel Injector 6 Output
Engine Control Module (ECM) C2 Connector End View

GM1331454Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • OEM: 1928403386
  • Service:
  • 64-Way F Unknown (BK)
Terminal Part Information
  • Terminal:
  • Terminal Seal:
  • Release Tool:
  • Core Crimp:
  • Insulation Crimp:
  • Test Probe:
Pin Wire Color Circuit No. Function
1 PK/BK 5290 Engine Main Relay Fused Control (1)
2 BK/WH 3122 Oxygen Sensor Heater Control Low - Front
3 PK 239 Run/Crank Ignition 1 Voltage
4 D-BU 473 High Speed Cooling Fan Relay Control
5-6 - - Not Used
7 WH/BK 1164 Electronic Throttle - Pedal Position 5-Volt Ref 1
8 PU 1272 Electronic Throttle - Pedal Position 2
9 RD/BK 380 Air Conditioning Refrigerant Pressure Sensor Signal
10 WH 17 Stop Lamp Switch Signal
11 TN 472 Manifold Absolute Temperature Sensor Signal
12 D-GN 890 Fuel Tank Pressure Sensor Signal
13-16 - - Not Used
17 PK/BK 5290 Engine Main Relay Fused Control (1)
18 RD/WH 3223 Oxygen Sensor Signal - Bank 2 Sensor 2 Heater Control Low
19 D-GN/WH 465 Fuel Pump Primary Relay Control
20 D-GN 335 Low Speed Cooling Fan Relay Control
21 - - Not Used
22 BN 818 Vehicle Speed Signal
23 TN/BK 2500 High Speed GMLAN Serial Data (+) (1)
24 BN 5069 Engine Main Relay Coil Control
25 BK 452 Sensor Return
26 BK 2760 Sensor Return - Induction Air Temperature
27 L-BU 1937 Fuel Gage Sensor Signal - Right
28 - - Not Used
29 PU/WH 1668 Heated Oxygen Sensor High Signal Bank 1 Sensor (2)
30-31 - - Not Used
32 OG/BK 1786 Transmission Park/Neutral Signal
33 WH 1310 Canister Vent Valve Solenoid Output
34 - - Not Used
35 YE 447 Starter Relay Coil Control
36 RD/WH 1440 Battery Positive Voltage
37-38 - - Not Used
39 GY 596 Reference Voltage Feed - 5-Volt Reference
40 BN 1271 Electronic Throttle - Pedal Position Return 1
41 TN 1671 Heated Oxygen Sensor Low Signal Bank 2 Sensor (2)
42 D-BU 1936 Fuel Gage Sensor Signal - Left
43 YE 492 Mass Air Flow Signal
44 L-BU 1162 Electronic Throttle - Pedal Position Signal 2
45-48 - - Not Used
49 D-GN/WH 459 A/C Compressor Clutch Relay Control
50 BN/WH 419 Check Engine Indicator Lamp Output
51-54 - - Not Used
55 TN 2501 High Speed GMLAN Serial Data (-) (1)
56 TN 1274 Electronic Throttle - Pedal Position 5-Volt Ref 2
57 TN/WH 1669 Oxygen Sensor Return - Left - Rear of Catalytic Converter
58 YE/BK 5728 ECM/TCM Serial Data Wake Up
59 - - Not Used
60 D-BU 1161 Electronic Throttle - Pedal Position Signal 1
61 PU 1670 Heated Oxygen Sensor High Signal Bank 2 Sensor (2)
62-64 - - Not Used
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