Component Inspection

IG "OFF"
IG "ON"
After connecting GDS, check DTC on the scantool.
Using GDS, Erase the DTCs.
Using a GDS, Check DTC present.
Is the same DTC shown?
YES

Substitute with a known-good SCC ECU and check for proper operation.

If problem is corrected, replace SCC ECU and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

NO

This fault may be intermittently caused by poor connection in the SCC ECU or HECU connector or was repaired and HECU memory was not cleared. Go to "VERIFICATION OF VEHICLE REPAIR " procedure.