Check the separation or faulty assemblage of linkage of heightsensor with the vehicle lifted
Has the problem found ?
YES
Repair as necessary and go to "Verification Vehicle Repair" procedure.
NO
Go to " Check AHLS ECU" procedure
Engine "ON" and Head lamp"ON"
Lift the vehicle
Disconnect the linkage of height sensor.
Monitor the "SENSOR ANGLE" Parameter on the Scantool while moving linkage vertically
Is there any change in "SENSOR ANGLE" Parameter?
YES
clear the DTC and go to "Verification Vehicle Repair" procedure.
NO
Substitute with a known-good AHLS ECU and check for proper operation. If the problem is corrected, replace AHLS ECU and then go to "Verification Vehicle Repair" procedure.