DTC P0689 [MZI-3.7]
DTC P0689 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
5
using the M-MDS.
z
Perform the "KOEO or KOER self-
test" using the M-MDS. (See
KOEO/KOER SELF TEST [MZI-
3.7]
.)
z
Is the PENDING CODE for the DTC
present?
No
Go to the next step.
6
VERIFY AFTER REPAIR PROCEDURE
z
Perform the "AFTER REPAIR
PROCEDURE". (See
AFTER
REPAIR PROCEDURE [MZI-3.7]
.)
z
Are any DTCs present?
Yes Go to the applicable DTC inspection. (See
DTC
TABLE [MZI-3.7]
.)
No
Troubleshooting completed.
DTC P0689
ECM/PCM power relay sense circuit low
DETECTION
CONDITION
z
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.
POSSIBLE
CAUSE
z
Ignition circuit fuse (MAIN, IG KEY 1, IG KEY 2)
z
Open circuit between battery positive terminal and PCM terminal 1 BD
z
Short to ground circuit between battery positive terminal and PCM terminal 1 BD
z
Ignition switch malfunction
z
PATS system malfunction
2008 Mazda CX-9 Grand Touring
2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:08:40 AM
Page 303
© 2005 Mitchell Repair Information Company, LLC.
