Mazda CX-9 Grand Touring 2009 Manual page 1215

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Verify related Service Bulletins and/or
on-line repair information availability.
2
Is any related Service Bulletins
available?
VERIFY TROUBLESHOOTING OF
DTC P1639 HAS BEEN COMPLETED
Verify that all disconnected
connectors are reconnected.
Turn the ignition switch to the ON
position (Engine off).
3
Clear the DTC from the PCM memory
using the M-MDS.
Start the engine and perform the
KOEO and KOER self-test.
Retrieve DTCs using the M-MDS.
Is the PENDING CODE for this DTC
present?
VERIFY AFTER REPAIR
PROCEDURE
Perform the "AFTER REPAIR
4
PROCEDURE". (See AFTER
REPAIR PROCEDURE [MZI-3.7].)
Are any DTC present?
DTC P1650 [MZI-3.7]
DTC P1650 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DTC P1650 PSP switch out of self-test range
DETECTION
CONDITION
POSSIBLE CAUSE
2008 Mazda CX-9 Grand Touring
No
Yes
No
Yes
No
In the KOEO self-test, this DTC indicates the PSP input to the PCM is high. In the
KOER self-test, this DTC indicates the PSP input did not change state.
The steering wheel must be turned during KOER self-test
PSP switch malfunction
Open circuit between PSP switch terminal A and PCM terminal 2I
Short to ground circuit between PSP switch terminal A and PCM terminal 2I
If the vehicle is not repaired, go to the
next step.
Perform the PCM reprogramming procedure.
(See PCM CONFIGURATION [MZI-3.7] .)
Then go to the next step.
Replace the PCM, then go to the next step. (See
PCM REMOVAL/INSTALLATION [MZI-
3.7] .)
Go to the next step.
Go to the applicable DTC inspection. (See DTC
TABLE [MZI-3.7].)
Troubleshooting completed.