Inspection Procedure 4: Multimode keyless entry system function does not work at all <Vehicles with electric retractable remote controlled door mirrors>.
caution | Before replacing the ECU,
ensure that the power supply circuit, the earth circuit and the communication circuit are normal. |
COMMENTS ON TROUBLE SYMPTOM
PROBABLE CAUSES
- Malfunction of keyless entry transmitter
- Malfunction of ETACS-ECU
- Damaged wiring harness and connectors
DIAGNOSIS PROCEDURE
STEP 1. Confirm the transmitter.
Q.
Is the check result normal?
STEP 2. Check the operation of the electric-folding door mirror.
Q.
Is the check result normal?
STEP 3. M.U.T.-III diagnosis code
Q.
Is the diagnosis code set?
STEP 4. Check the customisation function.
- D/M: O&C.