Mazda CX-9 Grand Touring 2009 Manual page 1208

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
DTC P1500 [MZI-3.7]
DTC P1500 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DTC P1500 Vehicle speed signal
DETECTION
CONDITION
POSSIBLE
CAUSE
DIAGNOSTIC PROCEDURE
DTC P1500 (MZI-3.7) DIAGNOSTIC PROCEDURE
STEP
VERIFY FREEZE FRAME DATA HAS
BEEN RECORDED
1
Has FREEZE FRAME DATA been
recorded?
VERIFY RELATED REPAIR
INFORMATION AVAILABILITY
Verify related Service Bulletins and/or
2
on-line repair information availability.
Is any related Service Bulletins
available?
VERIFY STORED DTC IN DSC/RSC
HU/CM
Turn the ignition switch to the ON
3
position (Engine off).
Verify stored DTCs in DSC/RSC
HU/CM.
Are DTCs stored?
VERIFY TROUBLESHOOTING OF
DTC P1500 HAS BEEN COMPLETED
Verify that all disconnected
connectors reconnected.
Clear the DTC from the PCM memory
using the M-MDS.
2008 Mazda CX-9 Grand Touring
Indicates the VSS input signal was intermittent. This DTC is set when a VSS
concern interferes with other OBD tests, such as the catalyst efficiency
monitor, the EVAP monitor, or the HO2S monitor.
Intermittent sensor connections
Intermittent open in the sensor wiring harness circuit(s)
Intermittent short in the sensor wiring harness circuit(s)
Sensor malfunction
INSPECTION ACTION
Yes Go to the next step.
Record FREEZE FRAME DATA on the repair
No
order, then go to the next step.
Perform repair or diagnosis according to the
available Service Bulletins.
Yes
If the vehicle is not repaired, go to the
next step.
No Go to the next step.
Go to the appropriate DTC inspection. (See ON-
Yes
BOARD DIAGNOSIS [DSC/RSC] .)
No Go to the next step.
Replace the PCM, then go to the next step. (See
Yes PCM REMOVAL/INSTALLATION [MZI-
3.7] .)