DIAGNOSTIC PROCEDURE
DIAGNOSTIC PROCEDURE
z
DSC/RSC HU/CM does not operate (DSC/RSC HU/CM malfunction)
STEP
INSPECTION
ACTION
1
INSPECT BRAKE FLUID AMOUNT AND
VERIFY THAT PARKING BRAKE
RELEASES
z
Is the brake fluid amount normal?
z
Is the parking brake pedal released?
Yes Go to the next step.
No
Add brake fluid or release parking brake
pedal.
2
INSPECT DTCS IN INSTRUMENT
CLUSTER
z
Inspect the DTC for the instrument
cluster ON-BOARD DIAGNOSTIC
SYSTEM.
z
Has DTC U2064 been recorded in
memory?
Yes Go to the next step.
No
Inspect the instrument cluster. (See
INSTRUMENT CLUSTER
INSPECTION
.)
3
INSPECT DTCS IN DSC/RSC HU/CM
z
Inspect the DTC for the ON-BOARD
DIAGNOSTIC SYSTEM.
z
Have DTCs been stored in memory?
Yes
Perform inspection using appropriate DTC.
(See
ON-BOARD DIAGNOSIS
[DSC/RSC]
.)
No
Go to the next step.
4
INSPECT WHETHER MALFUNCTION
IS IN CONTROL MODULE
CONNECTOR, TERMINAL OR OTHER
z
Do the ABS warning light and BRAKE
system warning light go out after
4 s
when the ignition switch is turned to the
ON position?
Yes
Temporary poor connection in control module
connector.
Inspect DSC/RSC HU/CM connector, then go
to Step 7.
Inspect DSC/RSC HU/CM connector terminal,
then go to Step 8.
No
Go to the next step.
5
INSPECT BATTERY
z
Is the battery voltage normal?
Yes Go to the next step.
No
Inspect the battery and charging system.
(See
BATTERY INSPECTION [MZI-3.7]
.)
(See
GENERATOR INSPECTION [MZI-
3.7]
.)
6
INSPECT CHARGING SYSTEM
z
Is the battery voltage normal with
electrical load (A/C, headlight, etc.) on
and engine idling?
Yes Go to the next step.
No
Inspect the charging system (drive belt
tension, generator, etc.).
(See
GENERATOR INSPECTION [MZI-
3.7]
.)
VERIFY THAT DSC/RSC HU/CM
Yes Go to the next step.
2008 Mazda CX-9 Grand Touring
2008 BRAKES Symptom Troubleshooting (DSC/RSC) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 9:41:34 AM
Page 9
© 2005 Mitchell Repair Information Company, LLC.