Circuit/System Verification

Ignition ON.
Verify the scan tool Door Ajar Sw. parameter changes between Active and Inactive while opening and closing each vehicle door.
- If the parameter does not change
  Refer to Door Ajar Indicator Malfunction .
- If the parameter changes
Verify the scan tool Interior/Courtesy Lighting Master Switch parameter changes between Door, On and Cancel while placing the dome lamp switch in the Door, On and Cancel positions.
- If the parameter does not change
  Refer to Dome Lamp Switch Malfunction .
- If the parameter changes
Verify the dome lamps turn ON and OFF while commanding the Courtesy Lamps ON and OFF with a scan tool.
- If the dome lamps do not turn ON and OFF
  Refer to Dome Lamp Malfunction .
- If the dome lamps turn ON and OFF
All OK.