DTC P0690 [MZI-3.7]
DTC P0690 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
6
INSPECT FOR CORRECT PCM
OPERATION
z
Disconnect all the PCM connectors.
z
Visually inspect for:
{
Pushed out pins
{
Corrosion
z
Connect all the PCM connectors and
verify that they seat correctly.
z
Retrieve DTCs using the M-MDS.
z
Is the PENDING CODE for this DTC
present?
Yes Go to the next step.
No The system is correctly. Go to the next step.
7
VERIFY TROUBLESHOOTING OF DTC
P0689 HAS BEEN COMPLETED
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-3.7]
.)
z
Is the PENDING CODE for the DTC
present?
Yes
Replace the PCM, then go to the next step.
(See
PCM REMOVAL/INSTALLATION
[MZI-3.7]
.)
No
Go to the next step.
8
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 P0690
ECM/PCM power relay sense circuit high
DETECTION
CONDITION
z
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.
POSSIBLE
CAUSE
z
Short to power supply between battery positive terminal and PCM terminal 1BD
z
PATS system malfunction
z
Ignition switch 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 306
© 2005 Mitchell Repair Information Company, LLC.
