C1919

SUSPENSION CONTROL: ACTIVE STABILIZER SUSPENSION SYSTEM: C1918: Rear Yaw Rate Sensor

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

DESCRIPTION

The active stabilizer suspension system uses CAN communication to gather information necessary for control functions. When a malfunction occurs in another system, DTCs C1918, C1919, C191A, C191B and C191E are stored.






INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC
(a) Check for DTC Active Stabilizer Suspension System.
OK:
DTCs other than C1918, C1919, C191A, C191B and C191E are not output
NG -- CHECK FLOWCHART OF EACH DTC
OK -- Continue to next step.
2. CHECK OPERATION OF REAR ACTIVE STABILIZER CONTROL ECU
(a) Turn the engine switch off.
(b) Exchange the rear active stabilizer control ECU with the front active stabilizer control ECU.
(c) Connect Techstream to the DLC3.
(d) Turn the engine switch on (IG) and press the Techstream main switch ON.
(e) Clear the DTC.
(f) Check for DTC.

Result





B -- CHECK INTERMITTENT PROBLEMS
A -- REPLACE REAR ACTIVE STABILIZER CONTROL ECU