Mazda CX-9 Grand Touring 2009 Manual page 1151

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
(wiring harness-side)
Is there continuity?
INSPECT PCM CONNECTOR FOR
POOR CONNECTION
Turn the engine switch off.
8
Inspect for poor connection (such as
damaged/pulled-out terminals,
corrosion).
Are there any malfunction?
INSPECT GENERATOR
Inspect the generator. (See
9
GENERATOR INSPECTION [MZI-
3.7] .)
Is there any malfunction?
VERIFY TROUBLESHOOTING OF DTC
P0625 HAS BEEN COMPLETED
Verify that all disconnected connectors
reconnected.
Clear the DTC from the PCM memory
using the M-MDS.
10
Perform the "KOEO or KOER self-
test" using the M-MDS. (See
KOEO/KOER SELF TEST [MZI-
3.7].)
Is the PENDING CODE for the DTC
present?
VERIFY AFTER REPAIR PROCEDURE
Perform the "AFTER REPAIR
11
PROCEDURE". (See AFTER
REPAIR PROCEDURE [MZI-3.7].)
Are any DTCs present?
DTC P0626 [MZI-3.7]
DTC P0626 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DTC P0626 Generator field terminal circuit high
DETECTION
CONDITION
2008 Mazda CX-9 Grand Touring
The PCM monitors generator load from the generator/regulator in the form of
frequency. The concern indicates the input is higher than the load should be in normal
operation. The load input could be high when a battery short to ground exists.
No
Repair or replace suspected part, then go to
Yes
Step 10.
No Go to the next step.
Replace the generator, then go to Step 10. (See
Yes GENERATOR
REMOVAL/INSTALLATION [MZI-3.7] .)
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
Yes
DTC TABLE [MZI-3.7].)
No Troubleshooting completed.
Step 10.