Inspection Procedure 13: The Comfort Flashing Function does not Work Normally.
COMMENTS ON TROUBLE SYMPTOM
If the comfort flashing function does not work normally, the turn-signal lamp switch input circuit(s) and ETACS-ECU may have a problem.
PROBABLE CAUSES
Malfunction of column switch
Malfunction of the ETACS-ECU
Damaged harness wires and connectors
DIAGNOSIS PROCEDURE
STEP 1. ETACS-ECU customise function check
Use the ETACS-ECU customise function to check that the "Comfort flasher" is set to "Enable."
Q.
Is the check result normal?
Go to Step 2.
Use the ETACS-ECU customise function to set the "Comfort flasher" to "Enable" (Refer to ).
STEP 2. M.U.T.-III diagnosis code
Check if diagnosis code is set to the ETACS-ECU.
Q.
Is the diagnosis code set?
Troubleshoot the ETACS-ECU. Refer to .
Go to Step 3.
STEP 3. Check that the turn-signal lamps operate.
Check that the turn-signal lamps work normally when the ignition switch is in the ON position.
Q.
Is the check result normal?
Go to Step 4.
Refer to Inspection Procedure 12 "The turn-signal lamps do not illuminate" .
STEP 4. Retest the system
Check that the comfort flashing function works normally.
Q.
Is the check result normal?
The trouble can be an intermittent malfunction (Refer to GROUP 00 -
How to use Troubleshooting/inspection Service Points -
How to Cope with Intermittent Malfunction ).
Use the ETACS-ECU customise function to set the "Comfort flasher" to "Enable" (Refer to 
).