Isuzu Hombre OBD 1 Manual Diagnostic Guide

Isuzu Hombre OBD 1 Manual Diagnostic Guide

Isuzu Hombre OBD 1 Manual Diagnostic Guide

The Chevrolet S-10 is a compact pickup truck that is produced by Chevrolet. It was the first compact pickup of the big three American automakers. When it was first introduced in 1982, the GMC version was known as the S-15 and later renamed the GMC Sonoma. A high-performance version was released in 1991 and given the name of GMC Syclone. The pickup was also sold by Isuzu as the Hombre from 1996 through 2000, but only in North America. There was also an SUV version, the Chevrolet S-10 Blazer/GMC S-15 Jimmy. An electric version was leased as a fleet vehicle in 1997 and 1998. Together, these pickups are often referred to as the S-series.

In North America, the S-series was replaced by the Chevrolet Colorado, GMC Canyon, and Isuzu i-Series in 2004.

The S-Series ended production in Brazil in 2012, being replaced by the Chevrolet Colorado, but still with the name S-10.

READING TROUBLE CODE INSTRUCTION

Code Format DescriptionThe fault code will be in one of the following Code Formats below.• Each code is made up of two series of flashes.• The first series indicates the 'tens' digit.• The second series indicates the 'ones' digit.• A long pause separates each code.• A shorter pause separates the 'tens' and 'ones'.• Upper Code Format Diagram shows code No. 32 in this format.Or...• Each code is made up of two series of flashes.• The long flashes indicate the 'tens' digits.• The short flashes indicate the 'ones' digits.• A long pause separates each code.• Lower Code Format Diagram shows code No. 12 in this format.• *The first code "flashed out" is always code 12.• *If Code 12 repeats at least 4 times in a row there are No Codes in memory.• *Codes repeat 3 times each, then the next code repeats 3 times...

PLEASE FOLLOW THE JUMPER SETTING ABOVE:

INSTRUCTION:

1. If possible run the engine to bring the oxygen sensor up to operating temperature then switch the engine off.
2. Connect the terminals using your own jumper wire, as shown in the diagram above.
3. Turn ignition ON, the Check Engine Light (CEL) should be flashing on your car dashboard

PLEASE FOLLOW THE JUMPER SETTING ABOVE: INSTRUCTION: 1. If possible run the engine to bring the oxygen sensor up to operating temperature then switch the engine off. 2. Connect the terminals using your own jumper wire, as shown in the diagram above. 3. Turn ignition ON, the Check Engine Light (CEL) should be flashing on your car dashboard.
4 Read codes as described in the Code Format Description below.
Code Format Diagram

4 Read codes as described in the Code Format Description below. Code Format Diagram 32 code

READING CODE INSTRUCTION
The fault code will be in one of the following Code Formats above.
• Each code is made up of two series of flashes.
• The first series indicates the ‘tens’ digit.
• The second series indicates the ‘ones’ digit.
• A long pause separates each code.
• A shorter pause separates the ‘tens’ and ‘ones’.
• Upper Code Format Diagram shows code No. 32 in this format.
OTHER INSTRUCTION
READING CODE INSTRUCTION The fault code will be in one of the following Code Formats above. • Each code is made up of two series of flashes. • The first series indicates the 'tens' digit. • The second series indicates the 'ones' digit. • A long pause separates each code. • A shorter pause separates the 'tens' and 'ones'. • Upper Code Format Diagram shows code No. 32 in this format. OTHER INSTRUCTION 12 code

• Each code is made up of two series of flashes.
• The long flashes indicate the ‘tens’ digits.
• The short flashes indicate the ‘ones‘ digits.
• A long pause separates each code.
• Lower Code Format Diagram shows code No. 12 in this format.

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Please remember the pattern of codes.
• *The first code “flashed out” is always code 12.
• *If Code 12 repeats at least 4 times in a row there are No Codes in memory.
• *Codes repeat 3 times each, then the next code repeats 3 times…

 

ERASING CODE INSTRUCTION

  • Ensure ignition switched OFF.
  • Disconnect engine control module (ECM) harness multi-plugs for 30 seconds.
  • Reconnect multi-plugs.
  • Repeat checking procedure to ensure no data remains in ECM fault memory.
  • Engine control module (ECM) location:

LIST OF TROUBLE CODE

Flash code Fault location Probable cause
12 Normal condition
13 Heated oxygen sensor (H02S)- short/open circuit Wiring, H025/025
14 Engine coolant temperature (ECT) sensor Wiring, ECT sensor
21 Throttle position (TP) sensor – signal voltage Wiring, TP sensor, mechanical fault, ECM
23 Intake air temperature (IAT) sensor Wiring, IAT sensor
24 Vehicle speed sensor (VSS) – circuit Wiring, VSS, mechanical fault, ECM
32 Exhaust gas recirculation (EGR) system Wiring, EGR valve, mechanical fault, ECM
33 Manifold absolute pressure (MAP) sensor – signal Wiring, MAP sensor, mechanical fault, ECM
42 Ignition control signal Wiring, ignition control module (ICM), ECM
43 Knock sensor (KS) ‘ Wiring, KS, mechanical fault, ECM
44 Heated oxygen sensor (H02S)/oxygen -sensor (02S) – signal – mixture lean Wiring, H02S/02S, mechanical fault, fuel system, fuel pressure, ECM
45 Heated oxygen sensor (H02S)/oxygen sensor   (028) – signal – mixture rich Wiring, H02S/02S, mechanical fault, fuel system, fuel pressure, ECM
51 Engine control module (ECM) – memory Wiring, ECM

 

NOTE:

Codes being displayed will differ from model to model. Sometimes, there are more codes than shown above. If not on the list, please check your service manual or contact ATS.
To prevent replacing unnecessary parts, do not replace any part until you verify the circuit or sensor or contact ATS for assistance.

 

OBD 1 GMC Sonoma,OBD 1 Isuzu Hombre,OBD 1 Opel Sierra

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