Diagnostic Procedure

DTC U0151:00 (DSC) DIAGNOSTIC PROCEDURE

STEP	INSPECTION		ACTION
1	INSPECT SAS CONTROL MODULE MALFUNCTION Switch the ignition to off. Using the M-MDS, perform the DTC inspection for the SAS control module. (See DTC INSPECTION [STANDARD DEPLOYMENT CONTROL SYSTEM] .) (See DTC INSPECTION [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .) Are any DTCs detected?	Yes	Go to applicable DTC inspection. (See DTC TABLE [STANDARD DEPLOYMENT CONTROL SYSTEM] .) (See DTC TABLE [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .)
1		No	Go to the next step.
2	INSPECT SAS CONTROL MODULE SIGNAL (CAN2 LINE) FOR OPEN CIRCUIT Disconnect the DSC HU/CM connector. Disconnect the SAS control module connectors. Inspect for continuity between the following DSC HU/CM connector terminals (vehicle harness-side) and SAS control module connector terminals (vehicle harness-side): DSC HU/CM terminal S-SAS control module terminal 3H DSC HU/CM terminal P-SAS control module terminal 31 Is there continuity?	Yes	Go to the next step.
2		No	Repair or replace the wiring harness, then go to Step 4.
3	INSPECT SAS CONTROL MODULE SIGNAL (CAN2 LINE) FOR SHORT CIRCUIT Inspect for continuity between the following DSC HU/CM connector terminals (vehicle harness-side) and body ground: DSC HU/CM terminal S-body ground DSC HU/CM terminal P-body ground Is there continuity?	Yes	Repair or replace the wiring harness, then go to the next step.
3		No	Go to the next step.
4	VERIFY THAT THE SAME DTC IS NOT PRESENT Reconnect all disconnected connectors. Clear the DTCs from the memory. (See ON-BOARD DIAGNOSIS .) Start the engine and drive the vehicle at 10 km/h {6.2 mph} or more. Are the same DTCs present?	Yes	Repeat the inspection from Step 1. If the malfunction recurs, replace the DSC HU/CM, then go to the next step. (See DSC HU/CM REMOVAL/INSTALLATION .)
4		No	Go to the next step.
5	VERIFY THAT NO OTHER DTCS ARE PRESENT Are any other DTCs output?	Yes	Go to the applicable DTC inspection. (See ON-BOARD DIAGNOSIS .)
5		No	DTC troubleshooting completed.