Pcm Pin Identification & Voltage (Hombre 4.3L)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2000 Isuzu VehiCROSS, 2000 Isuzu Trooper, 2000 Isuzu Rodeo, 2000 Isuzu Hombre, and 2000 Isuzu Amigo. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: For connector and terminal identification, see Fig 1 and Fig 2 .

PCM PIN IDENTIFICATION & VOLTAGE (HOMBRE 4.3L - 32-PIN BLUE CONNECTOR)

Pin	Wire Color	Function
1-2	.....	Not Used
3	Brown/White	1X CMP Signal
4-6	.....	Not Used
7	Tan	HO2S Bank 2 Sensor 1 Low
8	Pink/Black	CMP Sensor Ground
9	Purple	Fuel Level Output
10	Tan/Black	TCC Solenoid Control
11-12	.....	Not Used
13	White	3-2 Shift Solenoid Control
14	Brown	AIR Pump Relay Control
15	Yellow/Black	VSS Output Signal
16-18	.....	Not Used
19	Purple/White	HO2S Bank 1 Sensor 1 Signal
20	.....	Not Used
21	Purple	HO2S Bank 2 Sensor 1 Signal
22	Purple/White	HO2S Bank 1 Sensor 3 Signal
23-24	.....	Not Used
25	Tan/White	HO2S Bank 1 Sensor 1 Low
26	Tan/White	HO2S Bank 1 Sensor 3 Low
27	.....	Not Used
28	Purple	CKP Sensor Ground
29	Light Green/Black	VSS Low
30	Purple/White	VSS High
31	Yellow	3X CKP Sensor Signal
32	.....	Not Used

PCM PIN IDENTIFICATION & VOLTAGE (HOMBRE 4.3L - 32-PIN RED CONNECTOR)

Pin	Wire Color	Function
1	.....	Not Used
2	White	EVAP Canister Vent Solenoid Control
3	.....	Not Used
4	Yellow/Black	2-3 Shift Solenoid Control
5	.....	Not Used
6	Light Green	1-2 Shift Solenoid Control
7	Brown	TCC PWM Solenoid Control
8	Black	Fuel Injector No. 1 Control
9	Yellow/Black	Fuel Injector No. 6 Control
10	Brown	EGR Pintle Position Signal
11-12	.....	Not Used
13	Light Green/White	IAC Coil "B" High
14	Light Blue/White	IAC Coil "A" High
15	Light Green/Black	Fuel Injector No. 2 Control
16	Pink/Black	Fuel Injector No. 3 Control
17-18	.....	Not Used
19	Dark Blue	KS Signal
20	White	Tachometer Output
21	Light Green	MAP Sensor Signal
22	Tan	IAT Sensor Signal
23	Yellow	ECT Sensor Signal
24	Dark Blue	TP Sensor Signal
25	Dark Green	Fuel Tank Pressure Sensor Signal
26	.....	Not Used
27	Yellow/Black	TFT Sensor Signal
28	Yellow	MAF Sensor Signal
29	Light Green/Black	IAC Coil "B" Low
30	Light Blue/Black	IAC Coil "A" Low
31	Black/White	Fuel Injector No. 5 Control
32	Light Blue/Black	Fuel Injector No. 4 Control

PCM PIN IDENTIFICATION & VOLTAGE (HOMBRE 4.3L - 32-PIN CLEAR CONNECTOR)

Pin	Wire Color	Function
1	Dark Green/White	A/C Compressor Enable Relay Control
2	Dark Green/White	EVAP Canister Purge Solenoid Control
3	.....	Not Used
4	Black	ECT/TP Sensor Ground
5	Red	Generator Control/Monitoring
6	Red/Black	PC Solenoid High
7-8	.....	Not Used
9	White	IC Control
10	.....	Not Used
11	Red	Transmission Range "C" Signal
12	Gray	TP Sensor 5-Volt Reference
13	Purple	Fuel Level Sensor Signal
14-15	.....	Not Used
16	Light Blue/White	PC Solenoid Low
17	Black/White	VCM Ground
18	Black/White	VCM Ground
19	Black	Ground
20	.....	Not Used
21	Orange	B+
22	Dark Blue	Transmission Range "B" Signal
23	Pink	Transmission Range "A" Signal
24	.....	Not Used
25	Green/White	A/C Request Signal
26	White	PRNDL "P" Signal
27	Gray	5-Volt Reference
28	Gray	PRNDL "C" Signal
29	.....	Not Used
30	Dark Green	A/C Pressure Signal
31	Black/White	PRNDL "A" Signal
32	Yellow	PRNDL "B" Signal

PCM PIN IDENTIFICATION & VOLTAGE (HOMBRE 4.3L - 24-PIN BLACK CONNECTOR)

Pin	Wire Color	Function
1	Dark Green/White	Fuel Pump Relay Control
2	.....	Not Used
3	Dark Green/White	VSS Output
4	Dark Green	VSS Output
5	Brown/White	MIL Control
6-9	.....	Not Used
10	Purple	Brake Signal
11	Dark Green	Serial Data
12	.....	Not Used
13	Brown	Ignition B+
14	Yellow	Serial Data
15	.....	Not Used
16	Red	EGR Valve Control
17	Pink	Ignition B+
18	Pink	Ignition B+
19	Black/White	4WD Front Wheel Lock Input
20	White	EGR Valve Low
21	.....	Not Used
22	Brown/White	CPP Switch Signal
23	Gray/Black	4WD Low Signal
24	Lt. Blue/Black	Cruise Engaged Signal

Fig 1: Identifying PCM Connectors C1, C2 & C3 & Terminals (Hombre 4.3L)

Courtesy of ISUZU MOTOR CO.

Fig 2: Identifying PCM Connector C4 (24-Pin Black Connector) & Terminals (Hombre 4.3L)

Courtesy of ISUZU MOTOR CO.