Circuit/System Verification
- Ignition ON, individually operate both the left and right turn signals. All applicable lamps should flash when in each turn signal position.
- If any of the lamps do not flash, refer to TURN SIGNAL LAMPS AND/OR INDICATORS MALFUNCTION .
- Observe the scan tool Hazard Lamp Switch parameter while cycling the hazard switch. The parameter should change between Active and Inactive.
- If the parameter does not cycle between the specified values, refer to CIRCUIT/SYSTEM TESTING .
- Press the hazard switch. All applicable lamps should flash.
- If one or more lamps do not flash, replace the BCM.