Diagnostic Procedure

DTC B1C53-13; WIPER SWITCH CIRCUIT MALFUNCTION - DIAGNOSTIC PROCEDURE

Step	Inspection		Action
1	PERFORM START STOP UNIT CONFIGURATION (USING AS-BUILT DATA) Using the M-MDS, perform the start stop unit configuration (using As-Built data). (See START STOP UNIT CONFIGURATION (USING AS-BUILT DATA) .) Clear the DTC for the start stop unit using the M-MDS. (See CLEARING DTC [START STOP UNIT] .) Switch the INT volume switch to each step at 5 s intervals. Retrieve the start stop unit DTCs using the M-MDS. (See DTC INSPECTION [START STOP UNIT] .) Is the same DTC displayed?	Yes	Using the M-MDS, perform the start stop unit configuration (using As-Built data) again, then Go to the next step. (See START STOP UNIT CONFIGURATION (USING AS-BUILT DATA) .)
1		No	Go to Step 5.
2	VERIFY IF INSTALLATIONS OF LIGHT SWITCH AND WIPER AND WASHER SWITCH ARE REVERSED Verify the installation condition of the light switch and the wiper and washer switch. (See LIGHT SWITCH REMOVAL/INSTALLATION .) (See WIPER AND WASHER SWITCH REMOVAL/INSTALLATION .) Are the light switch and the wiper and washer switch installed correctly?	Yes	Go to the next step.
2		No	Install the light switch and the wiper and washer switch properly, then go to Step 4. (See LIGHT SWITCH REMOVAL/INSTALLATION .) (See WIPER AND WASHER SWITCH REMOVAL/INSTALLATION .)
3	INSPECT WIPER SWITCH Inspect the wiper switch. (See WINDSHIELD WIPER AND WASHER SWITCH INSPECTION .) Is the wiper switch normal?	Yes	Go to the next step.
3		No	Replace the wiper switch, then Go to the next step. (See WIPER AND WASHER SWITCH REMOVAL/INSTALLATION .)
4	VERIFY THAT REPAIRS HAVE BEEN COMPLETED Clear the DTC for the start stop unit using the M-MDS. (See CLEARING DTC [START STOP UNIT] .) Switch the INT volume switch to each step at 5 s intervals. Perform the start stop unit DTC inspection using the M-MDS. (See DTC INSPECTION [START STOP UNIT] .) Is the same DTC displayed?	Yes	Repeat the inspection from Step 1. If the malfunction recurs, replace the start stop unit. (See START STOP UNIT REMOVAL/INSTALLATION .) Go to the next step.
4		No	Go to the next step.
5	VERIFY IF OTHER DTCs DISPLAYED Are any other DTCs displayed?	Yes	Repair or replace the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [START STOP UNIT] .)
5		No	DTC troubleshooting completed.