Diagnostic Procedure

DTC U0433-00; ERROR SIGNAL RECEIVED FROM LASER SENSOR - DIAGNOSTIC PROCEDURE

Step	Inspection		Action
1	VERIFY ALL SYSTEM DTCs Switch the ignition off. Switch the ignition ON (engine off or on) and wait for 10 s or more. Perform a CMDTC self-test using the M-MDS. (See DTC INSPECTION [INSTRUMENT CLUSTER] .) Are any DTCs other than DTC U0433:00 displayed?	Yes	Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
1		No	Go to the next step.
2	VERIFY DTCs AGAIN Clear the DTC for the instrument cluster using the M-MDS. (See CLEARING DTC [INSTRUMENT CLUSTER] .) Switch the ignition ON (engine off or on) and wait for 10 s or more. Perform a CMDTC self-test using the M-MDS. (See DTC INSPECTION [INSTRUMENT CLUSTER] .) Is the same DTC displayed?	Yes	Go to the next step.
2		No	Go to Step 6.
3	VERIFY CENTER DISPLAY Verify the center display. Is the "SCBS Clean front windshield" displayed in the center display?	Yes	Clean the windshield, then go to the next step.
3		No	Go to Step 5.
4	VERIFY IF MALFUNCTIONING LOCATION IS LASER SENSOR DEPENDING ON REPEATABILITY Clear the DTC for the instrument cluster using the M-MDS. (See CLEARING DTC [INSTRUMENT CLUSTER] .) Switch the ignition ON (engine off or on) and wait for 10 s or more. Perform a CMDTC self-test using the M-MDS. (See DTC INSPECTION [INSTRUMENT CLUSTER] .) Is the same DTC displayed?	Yes	Replace the laser sensor, then go to the next step. (See LASER SENSOR REMOVAL/INSTALLATION .)
4		No	Go to Step 6.
5	VERIFY THAT REPAIRS HAVE BEEN COMPLETED Clear the DTC for the instrument cluster using the M-MDS. (See CLEARING DTC [INSTRUMENT CLUSTER] .) Switch the ignition ON (engine off or on) and wait for 10 s or more. Perform a CMDTC self-test using the M-MDS. (See DTC INSPECTION [INSTRUMENT CLUSTER] .) Is the same DTC displayed?	Yes	Replace the instrument cluster, then go to the next step. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .)
5		No	Go to the next step.
6	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 [INSTRUMENT CLUSTER] .)
6		No	DTC troubleshooting completed.