Diagnostic Index

Basic flow of troubleshooting

On-board diagnosis
- Diagnostic trouble codes (DTCs) are important hints for repairing malfunctions that are difficult to simulate. Perform the specific DTC diagnostic inspection to quickly and accurately diagnose the malfunction.
- The on-board diagnostic function is used during inspection. When a DTC is shown specifying the cause of a malfunction, continue the diagnostic inspection according to the items indicated by the on-board diagnostic function.

Engine tune-up
- Any necessary adjustments are made after starting the engine.

Basic inspection
- The basic inspection is performed to quickly narrow down the possible causes of a malfunction regardless of symptoms. Also, basic inspection is performed to locate the area(s) of any malfunction.

Diagnostic index
- The diagnostic index lists the symptoms of specific malfunctions. Select the symptoms related or most closely relating to the malfunction.

Symptom troubleshooting
- Symptom troubleshooting quickly determines the location of the malfunction according to symptom type.

Procedures for use




Using the diagnosis index
- The symptoms of the malfunctions are listed in the diagnostic index for symptom troubleshooting.
- The exact malfunction symptoms can be selected by following the index