Vehicle Stability Control System How To Proceed With Troubleshooting

Interview the customer and confirm the trouble.

Check and record the DTCs and Freeze Frame Data.

Clear the DTCs and Freeze Frame Data (Toyota Fortuner RM000000XHV0C7X.html for DTC Check/Clear, and Toyota Fortuner RM000000XHY0C9X.html for Freeze Frame Data).

Reconfirm the DTC.

1. Check if the DTC is output again using the recorded DTC and Freeze Frame Data.
   

   HINT:

   If DTC U0073, U0100, U0123, U0124 or U0126 is output, first check the appropriate sensor for a momentary open circuit (Toyota Fortuner RM000000XHS0A8X.html).

   Result

   Result	Proceed to
   DTC output	A
   DTC not output (Problem symptom does not occur)	B
   DTC not output (Problem symptom occurs)	C

Proceed to the Diagnostic Trouble Code Chart (Toyota Fortuner RM000000XHU08LX.html).

Proceed to Symptom Simulation (How to Proceed with Troubleshooting) (Toyota Fortuner RM0000012Q9013X.html).

Proceed to the Problem Symptoms Table (Toyota Fortuner RM000000XHN0BDX.html).