Diagnosis System

How to obtain EFI error logs from the ECU?

For full information, please refer to 4AG-E 20Valve Engine Repair Manual On-line or buy the book itself. It is found from pages in FI-5 to FI-10.

1st locate this plug: -

then follow the book's instructions, which will look something like this: -

www.club4ag.com's tech reference page contains a summary of instructions and codes breakdown therefore download it if a manual is not available.

This diagnosis do many things: -

  1. display error logs of static problems

  2. display error logs of 2-trip detections

  3. precision distributor timing adjustment - without this the timing mark on the crank pulley will not maintain at specific position.

It is an extremely cost-effective and valuable tool. Provided free to you, therefore use it.

 

  1. Diagnosis System
  2. Diagnostic by DCN Pro
  3. Diagnostic for a friend
  4. Different Diagnosis
  5. Results 1
  6. Results 2
  7. Results 3
  8. Results 4
  9. References
  10. OXYGEN SENSOR INSPECTION

 

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