Mazda CX-9 Grand Touring 2009 Manual page 1170

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
INSPECT FOR CORRECT PCM
OPERATION
Disconnect all the PCM connectors.
Visually inspect for:
Pushed out pins
6
Corrosion
Connect all the PCM connectors and
verify that they seat correctly.
Retrieve DTCs using the M-MDS.
Is the PENDING CODE for this DTC
present?
VERIFY TROUBLESHOOTING OF DTC
P0689 HAS BEEN COMPLETED
Verify that all disconnected connectors
reconnected.
Clear the DTC from the PCM memory
7
using the M-MDS.
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
8
PROCEDURE". (See AFTER REPAIR
PROCEDURE [MZI-3.7].)
Are any DTCs present?
DTC P0690 [MZI-3.7]
DTC P0690 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DTC P0690 ECM/PCM power relay sense circuit high
DETECTION
CONDITION
POSSIBLE
CAUSE
2008 Mazda CX-9 Grand Touring
This DTC sets when the passive anti theft system (PATS) system indicates the key
is in the OFF, ACC, or LOCK position and the ignition switch position run circuit
indicates ON or START position.
Short to power supply between battery positive terminal and PCM terminal 1BD
PATS system malfunction
Ignition switch malfunction
Yes Go to the next step.
No The system is correctly. Go to the next step.
Replace the PCM, then go to the next step.
Yes (See 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.