DIAGNOSTIC PROCEDURE
DTC C1145, C1155, C1165, C1175 [DSC/RSC] DIAGNOSTIC PROCEDURE
STEP
INSPECTION
ACTION
1
INSPECT PID TO VERIFY THAT WHEEL
SPEED-SIGNALS ARE TRANSMITTED
FROM ABS WHEEL-SPEED SENSOR
USING M-MDS
z
Turn the ignition switch off.
z
Connect the M-MDS to the DLC-2.
z
Select the following PIDs using the M-
MDS:
WSPD_LF
WSPD_LR
WSPD_RF
WSPD_RR
z
Drive the vehicle.
z
Verify that the wheel speed-signals are
transmitted from each ABS wheel-speed
sensor.
z
Are the wheel-speed signals transmitted?
Yes Go to Step 4.
No
Go to the next step.
2
INSPECT FOR OPEN CIRCUIT IN WIRING
HARNESS BETWEEN DSC/RSC HU/CM
AND ABS WHEEL-SPEED SENSOR
z
Turn the ignition switch off.
z
Disconnect the DSC/RSC HU/CM
connector and ABS wheel-speed sensor.
z
Inspect for continuity in the wiring harness
between the following ABS wheel-speed
sensor connectors on the vehicle wiring
harness-side and DSC/RSC HU/CM
connectors.
{
RF ABS wheel-speed sensor: AE-A
{
RF ABS wheel-speed sensor: AB-B
{
LF ABS wheel-speed sensor: AG-A
{
LF ABS wheel-speed sensor: AD-B
{
RR ABS wheel-speed sensor: G-A
Yes Go to the next step.
No
Repair or replace the wiring harness, then
go to the next step.
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 24
© 2005 Mitchell Repair Information Company, LLC.
