Signal Circuit Inspection
WARNING: This page is about a different variant/trim than selected.
■ Check power in harness
- Ignition "OFF".
- Disconnect Auto Head Lamp Leveling Sensor harness connector.
- Ignition "ON", HEAD LAMP "ON"(ENGINE "OFF").
- Measure voltage between H/LP (LO) Relay terminal of AHLS ECM harness connector and chassis ground.
Specification: B+
- Is "voltage" display near the specified value?
YES
- Check the condition of connected part and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Check for circuit in harness between ECM and headlamp switch signal line.
- Repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
- After its repair done, Perform the lamp actuation by GDS in order to verify its normal operation.