Mazda CX-9 Grand Touring 2009 Manual page 1209

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Perform the "KOEO or KOER self-
test" using the M-MDS.
(See KOEO/KOER SELF TEST
4
[MZI-3.7].)
Is the PENDING CODE for the DTC
present?
VERIFY AFTER REPAIR
PROCEDURE
Perform the "AFTER REPAIR
5
PROCEDURE". (See AFTER
REPAIR PROCEDURE [MZI-3.7].)
Are any DTCs present?
DTC P1501 [MZI-3.7]
DTC P1501 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DTC P1501 Vehicle speed sensor (VSS) out of self-test range
DETECTION
CONDITION
POSSIBLE
CAUSE
DIAGNOSTIC PROCEDURE
DTC P1501 (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
2
Verify related Service Bulletins and/or
on-line repair information availability.
Is any related Service Bulletins
2008 Mazda CX-9 Grand Touring
Indicates that the vehicle speed input signal is out of the self-test range. If the
PCM detects a vehicle speed input signal any time during the self-test, DTC
P1501 is set and the test aborts.
Noise on the vehicle speed input signal from radio frequency
interference/electro magnetic interference
External sources, such as ignition wires, the charging circuit, or aftermarket
equipment
INSPECTION
No Go to the next step.
Go to the applicable DTC inspection. (See DTC
Yes
TABLE [MZI-3.7].)
No Troubleshooting completed.
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.
ACTION