DIAGNOSTIC PROCEDURE
DTC U1901 [DSC/RSC] DIAGNOSTIC PROCEDURE
STEP
INSPECTION
ACTION
1
INSPECT COMBINED SENSOR SIGNAL
(CAN2 LINE) FOR OPEN CIRCUIT
z
Disconnect the DSC/RSC HU/CM
connectors.
z
Disconnect the combined sensor connectors.
z
Inspect for continuity between the
DSC/RSC HU/CM connectors (vehicle
harness-side) and the following combined
sensor connector terminals (vehicle harness-
side):
{
Combined sensor (CAN2_L): M-C
{
Combined sensor (CAN2_H): P-D
z
Is there continuity?
Yes Go to the next step.
No
Repair or replace the wiring harness, then
go to Step 4.
2
INSPECT COMBINED SENSOR SIGNAL
(CAN2 LINE) FOR SHORT CIRCUIT
z
Inspect for continuity between the following
DSC/RSC HU/CM connector terminals
Yes
Repair or replace the wiring harness, then
go to Step 4.
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 41
© 2005 Mitchell Repair Information Company, LLC.
