Mazda CX-9 Grand Touring 2007 Manual page 674

2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Verify that all disconnected
connectors reconnected.
Clear the DTC from the PCM
memory using the M-MDS.
Perform the "KOEO or KOER
self-test" using the M-MDS.
(See KOEO/KOER SELF TEST
[MZI-3.5].).
Is the PENDING CODE for the
DTC present?
6 VERIFY AFTER REPAIR
PROCEDURE
Perform the "AFTER REPAIR
PROCEDURE".
(See AFTER REPAIR
PROCEDURE [MZI-3.5].)
Are any DTCs present?
DTC P0689 [MZI-3.5]
DTC P0689 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES
DTC P0689
DETECTION
CONDITION
POSSIBLE CAUSE
2007 Mazda CX-9 Grand Touring
ECM/PCM power relay sense circuit low
This DTC sets when the passive anti theft system (PATS) system indicates the key
ON or START position and the ignition switch position run circuit indicates OFF,
ACC, or LOCK position.
Ignition circuit fuse (MAIN, IG KEY 1, IG KEY 2)
Open circuit between battery positive terminal and PCM terminal 1 BD
Short to ground circuit between battery positive terminal and PCM terminal 1 BD
Ignition switch malfunction
PATS system malfunction
No Go to the next step.
Yes Go to the applicable DTC inspection.
(See DTC TABLE [MZI-3.5].)
No Troubleshooting completed.