Vehicle Stability Control System (to 12/2010)

BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM: C1440/98: Unusual Bank Angle Detected
C1440/98 - Unusual Bank Angle Detected

DESCRIPTION

If the skid control ECU determines that the vehicle is being driven at a steep bank angle, the skid control ECU stores DTC C1440/98 while VSC operation is temporarily disabled.

It is not a malfunction if the system and sensor circuits are normal and if the normal VSC operation resumes, which automatically clears DTC C1440/98, after the vehicle is returned to a normal position.

HINT
DTC C1440/98 and the yaw rate and acceleration sensor DTC are stored when the skid control ECU determines that the vehicle is being driven at a steep bank angle and either of the following conditions is present:

* The yaw rate and acceleration sensor is installed at a tilted angle.
* The yaw rate and acceleration sensor signal output is stuck.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC

(a) Clear the DTCs DTC Check / Clear (to 12/2010).

(b) Perform a road test.

(c) Check if the same DTC is output DTC Check / Clear (to 12/2010).

Result:





C -- REPAIR CIRCUITS INDICATED BY OUTPUT DTCS Diagnostic Trouble Code Chart (to 12/2010)

B -- END
A -- Continue to next step.

2. CLEAR DTC

(a) Clear the DTCs DTC Check / Clear (to 12/2010).

HINT
* If the skid control ECU determines that the vehicle is being driven at a steep bank angle, the skid control ECU stores DTC C1440/98 while VSC operation is temporarily disabled.
* It is not a malfunction if the system and sensor circuits are normal and if the normal VSC operation resumes, which automatically clears DTC C1440/98, after the vehicle is returned to a normal position.

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