DTC C1918: Rear Yaw Rate Sensor; DTC C1919: Rear Acceleration Sensor; DTC C191A: Malfunction in Signal from Steering Sensor to Rear Active Stabilizer Control ECU; DTC C191B: Rear Vehicle Speed Signal; DTC C191E: Malfunction in Signal from Steering Control ECU to Rear Active Stabilizer Control ECU: Procedure

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

   OK

   DTCs other than C1918, C1919, C191A, C191B and C191E are not output

NG → CHECK FLOWCHART OF EACH DTC 

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.
6. Check for DTC.
   RESULT
   
   

   Result	Proceed to
   DTC C1940, C1941, C1942, C1943 or C1946 is output	A
   DTC is not output	B

B → CHECK INTERMITTENT PROBLEMS 

A → See step   3