Mazda CX-9 Grand Touring. Manual — part 293
STEP
INSPECTION
ACTION
1
VERIFY FREEZE FRAME DATA HAS
BEEN RECORDED
Has FREEZE FRAME DATA been
recorded?
Yes Go to the next step.
No
Record FREEZE FRAME DATA on the
repair order, then go to the next step.
2
VERIFY RELATED REPAIR
INFORMATION AVAILABILITY
Verify related Service Bulletins and/or on-
line repair information availability.
Is any related Service Bulletins available?
Yes
Perform repair or diagnosis according to the
available Service Bulletins.
If the vehicle is not repaired, go to the
next step.
No
Go to the next step.
3
INSPECT ALL OTHER PATS DTCs
Repair all other PATS DTCs before
P0689. (See IMMOBILIZER SYSTEM
COMPONENT REPLACEMENT/KEY
ADDITION AND CLEARING
[ADVANCED KEYLESS SYSTEM] .)
(See IMMOBILIZER SYSTEM
COMPONENT REPLACEMENT/KEY
ADDITION AND CLEARING
[KEYLESS ENTRY SYSTEM] .)
Have all other PATS DTCs been
diagnosed?
Yes Go to the next step.
No
(See IMMOBILIZER SYSTEM
COMPONENT REPLACEMENT/KEY
ADDITION AND CLEARING
[ADVANCED KEYLESS SYSTEM] .)
(See IMMOBILIZER SYSTEM
COMPONENT REPLACEMENT/KEY
ADDITION AND CLEARING
[KEYLESS ENTRY SYSTEM] .)
4
INSPECT PCM CONNECTOR FOR POOR
CONNECTION
Turn the ignition switch off.
Disconnect the PCM connector.
Inspect for poor connection (such as
damaged, pulled-out pins, corrosion).
Is there any malfunction?
Yes
Repair or replace suspected part, then go to
Step 7.
No
Go to the next step.
5
INSPECT BATTERY POSITIVE CIRCUIT
FOR OPEN CIRCUIT
Turn the ignition switch to the ON
position (Engine off).
Measure the voltage between PCM
terminal 1BD (wiring harness-side) and
body ground.
Is the voltage B+ ?
Yes Go to the next step.
No
Repair or replace suspected part, then go to
Step 7.
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 305
© 2005 Mitchell Repair Information Company, LLC.
DTC P0690 [MZI-3.7]
DTC P0690 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
6
INSPECT FOR CORRECT PCM
OPERATION
Disconnect all the PCM connectors.
Visually inspect for:
Pushed out pins
Corrosion
Connect all the PCM connectors and
verify that they seat correctly.
Retrieve DTCs using the M-MDS.
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
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-3.7].)
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
Perform the "AFTER REPAIR
PROCEDURE". (See AFTER REPAIR
PROCEDURE [MZI-3.7].)
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
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
Short to power supply between battery positive terminal and PCM terminal 1BD
PATS system malfunction
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.
DIAGNOSTIC PROCEDURE
DTC P0690 (MZI-3.7) DIAGNOSTIC PROCEDURE
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 307
© 2005 Mitchell Repair Information Company, LLC.
STEP
INSPECTION
ACTION
1
VERIFY FREEZE FRAME DATA HAS
BEEN RECORDED
Has FREEZE FRAME DATA been
recorded?
Yes Go to the next step.
No
Record FREEZE FRAME DATA on the
repair order, then go to the next step.
2
VERIFY RELATED REPAIR
INFORMATION AVAILABILITY
Verify related Service Bulletins and/or on-
line repair information availability.
Is any related Service Bulletins available?
Yes
Perform repair or diagnosis according to the
available Service Bulletins.
If the vehicle is not repaired, go to the
next step.
No
Go to the next step.
3
INSPECT ALL OTHER PATS DTCs
Repair all other PATS DTCs before
P0690. (See IMMOBILIZER SYSTEM
COMPONENT REPLACEMENT/KEY
ADDITION AND CLEARING
[ADVANCED KEYLESS SYSTEM] .)
(See IMMOBILIZER SYSTEM
COMPONENT REPLACEMENT/KEY
ADDITION AND CLEARING
[KEYLESS ENTRY SYSTEM] .)
Have all other PATS DTCs been
diagnosed?
Yes Go to the next step.
No
(See IMMOBILIZER SYSTEM
COMPONENT REPLACEMENT/KEY
ADDITION AND CLEARING
[ADVANCED KEYLESS SYSTEM] .)
(See IMMOBILIZER SYSTEM
COMPONENT REPLACEMENT/KEY
ADDITION AND CLEARING
[KEYLESS ENTRY SYSTEM] .)
4
INSPECT IGNITION SWITCH POSITION
RUN CIRCUIT SHORT TO POWER
SUPPLY
Turn the ignition switch off.
Measure the voltage between PCM
terminal 1BD (wiring harness-side) and
body ground.
Is the voltage B+?
Yes
Repair or replace suspected part, then go to
Step 6.
No
Go to the next step.
5
INSPECT FOR CORRECT PCM
OPERATION
Disconnect all the PCM connectors.
Visually inspect for:
Pushed out pins
Corrosion
Connect all the PCM connectors and
Yes Go to the next step.
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 308
© 2005 Mitchell Repair Information Company, LLC.
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