RETRIEVING CODES
Trouble code can be obtained using a DRB-II to determine on which circuit the problem exists. See TROUBLE CODE IDENTIFICATION table. Connect DRB-II to diagnostic connector to obtain trouble codes. (Scheme 294) No other information is available from manufacturer.
Scheme 294
SUMMARY
If no trouble codes are present and driveability symptoms exist, proceed to H -DSL TESTS W/O CODES article for diagnosis by symptom.