Mazda CX-9 Grand Touring 2009 Manual page 1167

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
using the M-MDS.
Perform the "KOEO or KOER self-
test" using the M-MDS. (See
5 KOEO/KOER SELF TEST [MZI-
3.7].)
Is the PENDING CODE for the DTC
present?
VERIFY AFTER REPAIR PROCEDURE
Perform the "AFTER REPAIR
6
PROCEDURE". (See AFTER
REPAIR PROCEDURE [MZI-3.7].)
Are any DTCs present?
DTC P0689 [MZI-3.7]
DTC P0689 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DTC P0689 ECM/PCM power relay sense circuit low
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 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.
Go to the applicable DTC inspection. (See DTC
Yes
TABLE [MZI-3.7].)
No Troubleshooting completed.