Inspection Procedure 3: The luggage compartment lamp does not illuminate normally.


caution Whenever the ECU is replaced, ensure that the power supply circuit, the earth circuit and the communication circuit are normal.

COMMENTS ON TROUBLE SYMPTOM



PROBABLE CAUSES



  • Malfunction of tailgate latch switch
  • Malfunction of luggage compartment lamp
  • Malfunction of the ETACS-ECU
  • Damaged harness wires and connectors

DIAGNOSIS PROCEDURE


STEP 1. M.U.T.-III diagnosis code



Q. Is the diagnosis code set?





STEP 2. M.U.T.-III data list




  • Open the tailgate.
Item No.
 Item name
 Normal condition
Item 260
 Trunk/gate trunk ajar switch
 Open
OK: Normal condition is displayed.

Q. Is the check result normal?





STEP 3. Connector check: D-11 luggage compartment lamp connector, C-413 ETACS-ECU connector


Q. Is the check result normal?





STEP 4. Luggage compartment lamp bulb check



Q. Is the check result normal?





STEP 5. Wiring harness check between the D-11 luggage compartment lamp connector terminal No. 1/3 and the C-413 ETACS-ECU connector terminal No. 17/3



  • Check the input/output line for open and short circuit.

Q. Is the check result normal?





STEP 6. Retest the system



Q. Is the check result normal?