Monitor GDS Data
- Connect GDS to Data Link Connector (DLC).
- ENG "ON".
- Actuate "DBC/HAC Brake Lamp Relay (DBC/HAC Only)" on the "Actuation Test"
menu of the GDS.
Specification: If brake lamps are illuminated during operation
- Are the brake lamps illuminated?
YES
- Fault is intermittent caused by poor connection, was repaired and HECU memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Go to next step.