INSPECTION PROCEDURE 4: Multimode keyless entry system function does not work at all: Diagnosis
- STEP 1. Confirm the transmitter.
Check that the keyless entry system works normally.
Q: Is the check result normal?
YES: Go to Step 2.
NO: Refer to trouble symptom chart (Refer to TROUBLE SYMPTOM CHART ).
- STEP 2. Check the operation of the electric-folding door mirror.
Check that the electric folding door mirrors work normally.
Q: Is the check result normal?
YES: Go to Step 3.
NO: Refer to Door mirror - TROUBLE SYMPTOM CHART .
- STEP 3. Using scan tool (M.U.T.-IIISE), read the DTC. CAUTION: To prevent damage to scan tool (M.U.T.-IIISE), always turn the ignition switch to the OFF position before connecting or disconnecting scan tool (M.U.T.-IIISE).
- Connect scan tool (M.U.T.-IIISE). Refer to HOW TO CONNECT SCAN TOOL (M.U.T.-IIISE) .
- Check that keyless entry system sets a DTC.
Q: Is the DTC set?
YES: (Refer to DTC CHART ).
NO: Go to Step 4.
- STEP 4. Check the customization function.
Use the customization function to check that the "Multi mode" has been set to one of the followings, not "Disabled."
- D/M: O & C.
Q: Is the check result normal?
YES: Go to Step 5.
NO: Use the customization function to set the "Multi mode" to one of the above, not "Disabled" (Refer to MULTIMODE KEYLESS ENTRY FUNCTION CHECK <VEHICLES WITH ELECTRIC RETRACTABLE REMOTE CONTROLLED DOOR MIRRORS (UP TO 19 MODEL YEAR)> ).
- STEP 5. Retest the system.
Check that the multimode keyless entry system works normally.
Q: Is the check result normal?
YES: The trouble can be an intermittent malfunction (Refer to How to use Troubleshooting/inspection Service Points - HOW TO COPE WITH INTERMITTENT MALFUNCTION ).
NO: Replace ETACS-ECU and register the ID codes (Refer to MULTIMODE KEYLESS ENTRY FUNCTION CHECK <VEHICLES WITH ELECTRIC RETRACTABLE REMOTE CONTROLLED DOOR MIRRORS (UP TO 19 MODEL YEAR)> ).