DIAGNOSTIC PROCEDURE
DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1404, C1410, C1957, C1958
[DSC/RSC] DIAGNOSTIC PROCEDURE
DTC C1242
LR outlet solenoid valve system
DTC C1246
RR outlet solenoid valve system
DTC C1250
LR inlet solenoid valve system
DTC C1254
RR inlet solenoid valve system
DTC C1404
RH traction control solenoid valve system
DTC C1410
LH traction control solenoid valve system
DTC C1957
RH stability control solenoid valve system
DTC C1958
LH stability control solenoid valve system
DETECTION
CONDITION
z
Solenoid valve operation does not correspond to solenoid ON/OFF
commands from the DSC/RSC HU/CM.
POSSIBLE CAUSE
z
Open or short circuit in the DSC/RSC HU/CM internal solenoid valves
z
Solenoid valve malfunction
z
Poor connection at connectors (female terminal)
STEP
INSPECTION
ACTION
1
VERIFY DTC INSPECTION
z
Turn the ignition switch off.
z
Connect the M-MDS to the DLC-2.
z
Turn the ignition switch to the ON
position (engine off).
z
Clear the DTC from the memory.
(See
ON-BOARD DIAGNOSTIC
[DSC/RSC]
.)
z
Re-perform the DTC inspection.
z
Is more than one solenoid valve-related
DTC output?
Yes Go to the next step.
No
Replace the DSC/RSC HU/CM, then go to the
Step 3.
(See
DSC/RSC HU/CM
REMOVAL/INSTALLATION
.)
2
INSPECT DSC/RSC HU/CM POWER
SUPPLY AND GROUND CIRCUIT FOR
OPEN CIRCUIT
z
Measure the voltage between DSC/RSC
HU/CM terminal AL and terminal A.
z
Is the voltage more than 10 V?
Yes
Replace the DSC/RSC HU/CM, then go to the
next step.
(See
DSC/RSC HU/CM
REMOVAL/INSTALLATION
.)
No
Repair or replace the wiring harness, then go
to the next step.
VERIFY DTC TROUBLESHOOTING
COMPLETED
Repeat the inspection from Step 1.
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 26
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