INSPECTION PROCEDURE 4: Multimode keyless entry system function does not work at all. <Vehicles with electric retractable remote controlled door mirrors (Up to 19 Model year) >: Diagnosis
- STEP 1. Confirm the transmitter
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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 DTC B1A10 KEYLESS/F.A.S.T. KEY 1 LOW BATT.; DTC B1A11 KEYLESS/F.A.S.T. KEY 2 LOW BATT.; DTC B1A12 KEYLESS/F.A.S.T. KEY 3 LOW BATT.; DTC B1A13 KEYLESS/F.A.S.T. KEY 4 LOW BATT.; DTC B1A14 KEYLESS KEY 5 LOW BATTERY; DTC B1A15 KEYLESS KEY 6 LOW BATTERY; DTC B1A16 KEYLESS KEY 7 LOW BATTERY; DTC B1A17 KEYLESS KEY 8 LOW BATTERY ).
- STEP 2. Check the operation of the electric-folding door mirror
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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 SPECIAL TOOLS .
- 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
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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 MALFUNCTIONS ).
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)> ).