DTC B1342, C1730 [DSC/RSC]
DTC B1342, C1730 [DSC/RSC] DETECTION CONDITION AND POSSIBLE CAUSE
DSC/RSC HU/CM terminal X
and ground.
z
Is the voltage approx. 10 V?
to Step 3.
2
INSPECT DSC/RSC HU/CM
GROUND FOR POOR GROUND
OR OPEN CIRCUIT
z
Turn the ignition switch off.
z
Measure the resistance between
ground and DSC/RSC HU/CM
terminal A.
z
Is the resistance
within 0-1
ohm
?
Yes Go to the next step.
No
If there is no continuity:
z
Repair or replace the wiring harness for open
circuit between the DSC/RSC HU/CM and
ground, then go to the next step.
If the resistance is not
within 0-1 ohm
:
z
Repair or replace the wiring harness for poor
ground, then go to the next step.
3
VERIFY TROUBLESHOOTING
COMPLETED
z
Make sure to reconnect all
disconnected connectors.
z
Clear the DTC from the memory.
(See
ON-BOARD
DIAGNOSTIC [DSC/RSC]
.)
z
Is the same DTC present?
Yes
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.
4
VERIFY AFTER REPAIR
PROCEDURE
z
Are any other DTCs present?
Yes
Go to the applicable DTC inspection.
(See
ON-BOARD DIAGNOSTIC [DSC/RSC]
.)
No
DTC troubleshooting completed.
NOTE:
z
Perform the inspection of DTCs other than B1342 and C1730 first when
verifying DTCs.
DTC B1342, C1730
DSC/RSC HU/CM system
DETECTION
CONDITION
z
B1342
{
DSC/RSC HU/CM on-board diagnostic function detects control
module malfunction.
z
C1730
{
Sensor supply voltage is out of range.
2008 Mazda CX-9 Grand Touring
2008 BRAKES On-Board Diagnostic (DSC/RSC) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 9:50:12 AM
Page 15
© 2005 Mitchell Repair Information Company, LLC.
