Mazda CX-9 Grand Touring 2009 Manual page 1197

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Inspect the CMP sensor. (See
CAMSHAFT POSITION (CMP)
9 SENSOR INSPECTION [MZI-
3.7] .)
Is there any malfunction?
INSPECT PCM CONNECTOR FOR
POOR CONNECTION
Disconnect the PCM connector.
10
Inspect for poor connection (such as
damaged/pulled-out pins, corrosion).
Are any malfunction?
VERIFY TROUBLESHOOTING OF
DTC P1336 HAS BEEN COMPLETED
Make sure to reconnect all
disconnected connectors.
11
Clear the DTC from the PCM
memory using the M-MDS.
Start the engine.
Is the same DTC present?
VERIFY AFTER REPAIR
PROCEDURE
Perform the "AFTER REPAIR
12
PROCEDURE". (See AFTER
REPAIR PROCEDURE [MZI-
3.7].)
Are any DTCs present?
DTC P1397 [MZI-3.7]
DTC P1397 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DTC P1397 System voltage out of self-test range
DETECTION
CONDITION
POSSIBLE
CAUSE
DIAGNOSTIC PROCEDURE
2008 Mazda CX-9 Grand Touring
This DTC indicates that the 12-volt system voltage is too high or too low
during the KOEO or KOER self-test. It sets if the system voltage falls below or
exceeds the calibrated threshold at any time during the KOEO or KOER self-
test.
Battery or charging system concern.
Replace the CMP sensor, then go to Step 11. (See
Yes CAMSHAFT POSITION (CMP) SENSOR
REMOVAL/INSTALLATION [MZI-3.7] .)
No Go to the next step.
Repair or replace suspected part, then go to the
Yes
next step.
No Go to the next step.
Replace the PCM, then go to the next step. (See
Yes PCM REMOVAL/INSTALLATION [MZI-
3.7] .)
No Go to the next step.
Go to the applicable DTC inspection. (See DTC
Yes
TABLE [MZI-3.7].)
No Troubleshooting completed.