Diagnostic procedure

DTC U0452:86 (DSC HU/CM) DIAGNOSTIC PROCEDURE

Step	Inspection	Results	Action
1	INSPECT FOR SAS CONTROL MODULE MALFUNCTION Switch the ignition to off. Using the M-MDS, perform the DTC inspection for the SAS control module. (See DTC TABLE [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.)] .) Are any DTCs detected?	Yes	Go to applicable DTC inspection. (See DTC TABLE [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.)] .)
1		No	Go to the next step.
2	VERIFY THAT THE SAME DTC IS NOT PRESENT Using the M-MDS, clear the DTC from the DSC HU/CM. (See CLEARING DTC .) Using the M-MDS, perform the DSC HU/CM DTC inspection. (See DTC INSPECTION .) Are the same DTCs present?	Yes	Repeat the inspection from Step 1. If the malfunction recurs, replace the SAS control module, then go to the next step. (See SAS CONTROL MODULE REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .)
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 DTC TABLE .)
3		No	DTC troubleshooting completed.