Diagnostic Procedure (Using DRB-II): Notes

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NOTE: When using diagnostic code charts, DO NOT skip any steps in chart or incorrect diagnosis may result. Always check related Technical Service Bulletins (TSB's).

Refer to ENTERING ON-BOARD DIAGNOSTICS (USING DRB-II) to retrieve fault codes. If fault codes are NOT present and/or DRB-II is used, proceed to one of the following tests:

Go to NO START TEST 1 (NS-1) chart if a no-start condition exists or engine stalls after start-up. Perform indicated VERIFICATION PROCEDURE chart after repairs. Ensure charts apply to engine being tested.
Go to DRIVEABILITY TEST 1 (DR-1) chart if engine runs but has performance problems. Perform indicated VERIFICATION PROCEDURE chart after repairs. Ensure charts apply to engine being tested.