DTC C1940: Front Yaw Rate Sensor; DTC C1941: Front Acceleration Sensor; DTC C1942: Malfunction in Signal from Steering Sensor to Front Active Stabilizer Control ECU; DTC C1943: Front Vehicle Speed Signal; DTC C1946: Malfunction in Signal from Steering Control ECU to Front Active Stabilizer Control ECU: Procedure

1. Check for DTC. Refer to DTC CHECK / CLEAR .

   OK

   DTCs other than C1940, C1941, C1942, C1943 and C1946 are not output

NG → See step   3 

OK: Go to next step 

1. Turn the engine switch off.
2. Exchange the rear active stabilizer control ECU with the front active stabilizer control ECU.
3. Connect Techstream to the DLC3.
4. Turn the engine switch on (IG) and press the Techstream main switch ON.
5. Clear the DTC. Refer to DTC CHECK / CLEAR .
6. Check for DTC.
   RESULT
   
   

   Result	Proceed to
   DTC C1918, C1919, C191A, C191B or C191E is output	A
   DTC is not output	B

B → CHECK INTERMITTENT PROBLEMS 

A → See step   4