Monitor Scantool Data
- Connect scantool to Data Link Connector (DLC)
- Ignition "ON" & Engine "OFF".
- Press the brake pedal.
- Check the service data related to "Brake Switch" on the scantool.
Specification : The brake switch's signal changes from OFF to ON.
- Does the service data change normally?
YES
- Fault is intermittent caused by poor connection in brake light switch harness and/or HECU's connector or 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 "TERMINAL AND CONNECTOR INSPECTION " procedure.
- Fault is intermittent caused by poor connection in brake light switch harness and/or HECU's connector or was repaired and HECU memory was not cleared.