C1941

SUSPENSION CONTROL: ACTIVE STABILIZER SUSPENSION SYSTEM: C1940-C1943,C1946: Front Yaw Rate Sensor


DESCRIPTION

The active stabilizer suspension system uses CAN communication to gather information necessary for control functions. When a malfunction occurs in another system, DTCs C1940, C1941, C1942, C1943 and C1946 are stored.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC

(a) Check for DTC Active Stabilizer Suspension System.

OK:

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

NG -- CHECK FLOWCHART OF EACH DTC
OK -- Continue to next step.

2. CHECK OPERATION OF FRONT ACTIVE STABILIZER CONTROL ECU

(a) Turn the power 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 power switch ON (IG) and press the Techstream main switch ON.

(e) Clear the DTC Active Stabilizer Suspension System.

(f) Check for DTC.

Result





B -- CHECK INTERMITTENT PROBLEMS

A -- REPLACE FRONT ACTIVE STABILIZER CONTROL ECU