Engine Control Module (ECM) C1

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Powertrain Control Module (PCM) C1 & C3 Connector End View

Courtesy of GENERAL MOTORS CORP.

Engine Control Module (ECM) Connector End Views

Connector Part Information

OEM: 13510837
Service: See Catalog
Description: 56-Way F Micro-Pack 64 Series Sealed (BK)

Terminal Part Information

Pins: 9, 12-13, 15, 18-19, 29, 33-37, 40, 44, 47-49, 53-56
Terminal/Tray: 33467-0003/23
Core/Insulation Crimp: H/H
Release Tool/Test Probe: J-38125-213/J-35616-64A (L-BU)

Pins: 7, 20, 39
Terminal/Tray: 33467-0005/23
Core/Insulation Crimp: Pins 7, 39 - J/J
Core/Insulation Crimp: Pins 20 - K/K
Release Tool/Test Probe: J-38125-213/J-35616-64A (L-BU)

Engine Control Module (ECM) C1

Pin	Wire Color	Circuit No.	Function
1-6	-	-	Not Used
7	L-GN	526	Stop Lamp Supply Voltage
8	-	-	Not Used
9	TN	2759	Low Reference
10-11	-	-	Not Used
12	BN/WH	419	MIL Control
13	D-GN/WH	465	Fuel Pump Relay Control
14	-	-	Not Used
15	D-GN	1049	Class 2 Serial Data
16-17	-	-	Not Used
18	BN	1141	Ignition 3 Voltage
19	PK	439	Ignition 1 Voltage
20	RD/WH	540	Battery Positive Voltage
21-28	-	-	Not Used
29	GY	1884	Cruise Control Switch Signal
30-32	-	-	Not Used
33	WH/BK	1164	5-Volt Reference
34	GY	2709	5-Volt Reference
35	TN	1274	5-Volt Reference
36	BN	1271	Low Reference
37	PU	1272	Low Reference
38	-	-	Not Used
39	D-GN	389	Vehicle Speed Signal
40	BN	5069	Powertrain Relay Control
41-43	-	-	Not Used
44	PU	1589	Fuel Level Sensor Signal
45-46	-	-	Not Used
47	D-BU	1161	APP Sensor 1 Signal
48	D-GN	890	Fuel Tank Pressure Sensor Signal
49	L-BU	1162	APP Sensor 2 Signal
50-52	-	-	Not Used
53	D-GN/WH	459	A/C Compressor Clutch Relay Control
54	D-BU	473	High Speed Cooling Fan Relay Control
55	WH	1310	EVAP Canister Vent Solenoid Control
56	YE/BK	625	Starter Enable Relay Control