Inspection Procedure

HINT:

Part the inspection from step  1 in case of using the hand-held tester and start from step  2 in case of not using the hand-held tester.

1. PERFORM ACTIVE TEST BY VSC OFF INDICATOR LIGHT 
   1. Connect the hand-held tester to DLC3.
   2. Turn the ignition switch ON and push the hand-held tester main switch ON.
   3. Select the ACTIVE TEST mode on the hand-held tester.
   1. NG: Go to step   4 
   2. OK: GO TO NEXT STEP. 
2. CHECK CENTER DIFF. LOCK DETECTION SWITCH 
   1. NG: REPLACE CENTER DIFF. LOCK DETECTION SWITCH 
   2. OK: GO TO NEXT STEP. 
3. CHECK HARNESS AND CONNECTOR(SKID CONTROL ECU - CENTER DIFF. LOCK DETECTION SWITCH) 

   Check for open and short circuit in harness and connector between skid control ECU and center diff. lock detection switch (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE ).

   1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
   2. OK: GO TO NEXT STEP. 
4. CHECK VSC OFF INDICATOR LIGHT 
   1. NG: REPAIR OR REPLACE COMBINATION METER ASSY 
   2. OK: GO TO NEXT STEP. 
5. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - COMBINATION METER) 
   1. Check for open and short circuit in harness and connector between skid control ECU and combination meter (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE ).
   1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
   2. OK: GO TO NEXT STEP. 

   CHECK AND REPLACE SKID CONTROL ECU ASSY