Isuzu Engines - Auto Repair Codes

Scan Tool for Codes and Live Data for your Isuzu Engine from $199 USD

The information below may apply to Isuzu Stylus and many other models

Step 4

Isuzu EFI Code Reading

Connector Diagram

Auto Repair Manual - How to read codes (No Special Tools Needed)

1 If possible run the engine to bring the oxygen sensor up to operating temperature then switch the engine off.

2 Connect the terminals with your own jumper cable, (Click here for details) , as shown in the diagram.

3 Turn ignition ON, the Check Engine Light (CEL) should be flashing.

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

5 Press the continue button to enter the code numbers and get the code description.

Code Format Diagrams

Code Format Description

The 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...

To move to the next screen click on the Continue button

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Note on Example Model(s): Isuzu Stylus
The example model(s) shown, Isuzu Stylus for this auto repair service are only an indication to help you. There may be many other models that apply to this connector. Click above link to see the complete vehicle coverage list.