Pcm Pin Identification & Voltage (Hombre 2.2L)

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.

PCM PIN IDENTIFICATION & VOLTAGE (HOMBRE 2.2L - 80-PIN BLUE CONNECTOR)

Pin	Wire Color	Function
1-5	.....	Not Used
6	Orange/Black	Fuel Tank Pressure Sensor/Fuel Level Sensor
7	Brown/White	CMP Sensor Signal
8	Purple/White	CKP 7x Reference Signal
9	.....	Not Used
10	Gray	Fuel Tank Pressure Sensor 5-Volt Reference
11-17	.....	Not Used
18	Black/White	PCM Ground
19	Pink	Ignition Positive Voltage
20	Orange	Battery Positive Voltage
21	Dark Blue	TP Sensor Signal
22-24	.....	Not Used
25	Orange	Ignition Control "B"
26	White	Ignition Control "A"
27	.....	Not Used
28	Red	Transmission Range "C" Input
29	Black/White	PRNDL "A" Input
30-32	.....	Not Used
33	Dark Blue	KS Signal
34	.....	Not Used
35	Purple	TCC Brake Switch Input
36	Light Blue	A/C Request Signal
37-44	.....	Not Used
45	Dark Green	Fuel Tank Pressure Sensor Signal
46	Yellow/Black	TFT Sensor Signal
47-48	.....	Not Used
49	Red/Black	A/C Refrigerant Pressure Sensor Signal
50-51	.....	Not Used
52	Black	A/C Refrigerant Pressure Sensor Ground
53	.....	Not Used
54	Yellow	ECT Sensor Signal
55	Purple	Fuel Level Sensor Input
56	.....	Not Used
57	Black	TP Sensor Ground
58	Yellow	Serial Data
59	Dark Green	Serial Data
60	Black/White	PCM Ground
61	Pink	IGN
62	Light Green	MAP Sensor Signal
63	Purple/White	VSS High
64-65	.....	Not Used
66	Black	EGR Valve Ground
67	Dark Blue	Transmission "B" Range Input
68	Pink	Transmission "A" Range Input
69	Yellow	PRNDL B
70	Yellow/Black	High Resolution Vehicle Speed Output
71	.....	Not Used
72	Gray	PRNDL "C"
73	White	PRNDL "P"
74	Red	Generator "L" Term
75	Black	Fuel Injector No. 1 Driver
76	Light Green/Black	Fuel Injector No. 2 Driver
77-80	.....	Not Used

Fig 1: Identifying PCM Connectors and Terminals (Hombre 2.2L)

Courtesy of ISUZU MOTOR CO.

PCM PIN IDENTIFICATION & VOLTAGE (HOMBRE 2.2L - 80-PIN BLACK CONNECTOR)

Pin	Wire Color	Function
1-5	.....	Not Used
6	Red/Black	PC Solenoid High Control
7	Red	EGR Valve Ignition Feed
8	Dark Green/White	Fuel Pump Relay Control
9	Light Blue/White	PC Solenoid Low Control
10	White	Tachometer Output
11-13	.....	Not Used
14	Black/White	MAP Sensor Ground
15	.....	Not Used
16	Dark Green/White	VSS Output (Cluster)
17	Dark Green	VSS Output (Cruise)
18	.....	Not Used
19	Brown	EGR Pintle Position Signal
20	Tan	IAT Sensor Signal
21	Tan	O2 1 Low
22	Purple	O2 Signal
23	Tan/White	HO2S 2 Low
24	Purple/White	HO2S 2 Signal
25-26	.....	Not Used
27	Brown	ECT Sensor Ground
28	Gray	IAT Sensor Ground
29	Black	TFT Sensor Ground
30	.....	Not Used
31	Red/Black	ICM Reference Low
32	Gray	EGR Valve 5-Volt Reference
33	Gray	TP Sensor 5-Volt Reference
34	Gray	A/C Refrigerant Pressure Sensor 5-Volt Reference
35	Gray	MAP Sensor 5-Volt Reference
36	Red	CMP Sensor Battery Positive Voltage
37-45	.....	Not Used
46	Brown/White	MIL Control
47	.....	Not Used
48	Light Blue/Black	Cruise Engaged Input
49	.....	Not Used
50	Tan/Black	TCC Solenoid Control
51	Yellow/Black	2-3 SS Control
52	White	3-2 SS Control
53	Light Green	1-2 SS Control
54	.....	Not Used
55	Dark Green/White	A/C Compressor Clutch Relay Control
56	Dark Green/White	EVAP Canister Purge Valve Driver
57	Brown	TCC PWM Solenoid Control
58	White	EVAP Canister Vent Solenoid Driver
59-61	.....	Not Used
62	Light Green/Black	VSS Low
63	Pink/Black	CMP Sensor Ground
64	Black/White	PCM Ground
65	Black	Fuel Level Buffer Module Ground
66-70	.....	Not Used
71	Light Blue/White	IAC Coil "A" High
72	Light Green/White	IAC Coil "B" High
73	Light Green/Black	IAC Coil "B" Low
74	Light Blue/Black	IAC Coil "A" Low
75	Light Blue/Black	Fuel Injector No. 4 Driver
76	Pink/Black	Fuel Injector No. 3 Driver
77-80	.....	Not Used