Diagnostic Procedure

DTC U0420:68 (LASER SENSOR) - DIAGNOSTIC PROCEDURE

STEP	INSPECTION		ACTION
1	INSPECT FOR EPS CONTROL MODULE MALFUNCTION Switch the ignition off. Using the M-MDS, perform the DTC inspection for the EPS control module. (See ELECTRIC POWER STEERING (EPS) ON-BOARD DIAGNOSIS .) Are any DTCs detected?	Yes	Go to applicable DTC inspection. (See ELECTRIC POWER STEERING (EPS) ON-BOARD DIAGNOSIS .)
1		No	Go to the next step.
2	VERIFY THAT SAME DTC IS NOT PRESENT Clear the DTCs from the memory. (See ON-BOARD DIAGNOSIS [LASER SENSOR] .) Are the same DTCs present?	Yes	Repeat the inspection from Step 1. If the malfunction recurs, replace the EPS CM, then go to the next step. (See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION .)
2		No	Go to the next step.
3	VERIFY THAT NO OTHER DTCs ARE PRESENT Are any other DTCs output?	Yes	Go to the applicable DTC inspection. (See ON-BOARD DIAGNOSIS [LASER SENSOR] .)
3		No	DTC troubleshooting completed.