Circuit/System Verification

Ignition ON.
Verify the scan tool Park Lamp Switch parameter changes between Active and Inactive while commanding the park lamps ON and OFF with the headlamp switch.
- If the parameter does not change
  Refer to Headlamp Switch Malfunction .
- Go to next step: If the parameter changes
Verify the park and side marker lamps turn ON and OFF when commanding the Park Lamps ON and OFF with a scan tool.
- If the park and side marker lamps do not turn ON and OFF
  Refer to Park Lamps Malfunction (without Y91) .
- Go to next step: If the park and side marker lamps turn ON and OFF
Verify the license plate lamps turn ON and OFF when commanding the License Plate Lamps ON and OFF with a scan tool.
- If the license plate lamps do not turn ON and OFF
  Refer to License Plate Lamps Malfunction .
- Go to next step: If the license plate lamps turn ON and OFF
All OK.