DTC C1963 [DSC/RSC]
DTC C1963 [DSC/RSC] DETECTION CONDITION AND POSSIBLE CAUSE
DIAGNOSTIC PROCEDURE
DTC C1963 [DSC/RSC] DIAGNOSTIC PROCEDURE
4
(See
BRAKE SWITCH
INSPECTION
.)
z
Is the brake switch normal?
No
Replace the brake switch, then go to the next step.
(See
BRAKE PEDAL
REMOVAL/INSTALLATION
.)
5
VERIFY THAT THE SAME DTC IS
NOT PRESENT
z
Reconnect all disconnected
connectors.
z
Clear the DTCs from the memory.
(See
ON-BOARD DIAGNOSTIC
[DSC/RSC]
.)
z
Are the same DTCs present?
Yes
Repeat the inspection from Step 1.
If the malfunction recurs, replace the DSC/RSC
HU/CM, then go to the next step.
(See
DSC/RSC HU/CM
REMOVAL/INSTALLATION
.)
No
Go to the next step.
6
VERIFY THAT NO OTHER DTCS
ARE PRESENT
z
Are any other DTCs output?
Yes
Go to the applicable DTC inspection.
(See
ON-BOARD DIAGNOSTIC [DSC/RSC]
.)
No
DTC troubleshooting completed.
NOTE:
z
The initial point of the combined sensor (yaw rate sensor part) is corrected
based on the signals from each sensor while the vehicle is driven straight,
however, the correction cannot be performed if the vehicle is continuously
driven on a curve and DTC C1963 is detected.
DTC C1963
Combined sensor (Yaw rate sensor part) initial point correction error
DETECTION
CONDITION
z
When a difference occurs between the estimated yaw rate value which is
calculated by each sensor and the yaw rate value which is detected by the
combined sensor (yaw rate sensor part).
POSSIBLE
CAUSE
z
It occurs since the initial point correction for the combined sensor (yaw rate
sensor part) cannot be performed due to the vehicle being continuously driven
on a curve, and does not indicate an DSC/RSC system malfunction.
STEP
INSPECTION
ACTION
PERFORM INITIALIZATION
PROCEDURE
z
Perform the initialization
2008 Mazda CX-9 Grand Touring
2008 BRAKES On-Board Diagnostic (DSC/RSC) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 9:50:13 AM
Page 38
© 2005 Mitchell Repair Information Company, LLC.
