DTC P1633 [MZI-3.5]
DTC P1633 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES
z
Verify that all disconnected
connectors reconnected.
z
Clear the DTC from the PCM
memory using the M-MDS.
z
Perform the "KOEO or KOER
self-test" using the M-MDS.
(See
KOEO/KOER SELF TEST
[MZI-3.5]
.)
z
Is the PENDING CODE for the
DTC present?
No
Go to the next step.
5
VERIFY AFTER REPAIR
PROCEDURE
z
Perform the "AFTER REPAIR
PROCEDURE".
(See
AFTER REPAIR
PROCEDURE [MZI-3.5]
.)
z
Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See
DTC TABLE [MZI-3.5]
.)
No
Troubleshooting completed.
DTC P1633
Keep alive power voltage too low
DETECTION
CONDITION
z
Indicates the keep alive power circuit has experienced a voltage interrupt.
POSSIBLE CAUSE
z
Connector or terminal malfunction
z
Open circuit between battery positive terminal and PCM terminal 1 BB
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:26:37 AM
Page 375
© 2005 Mitchell Repair Information Company, LLC.