2
z
Verify related Service Bulletins and/or
on-line repair information availability.
z
Is any related Service Bulletins
available?
Yes
z
If the vehicle is not repaired, go to the
next step.
No
Go to the next step.
3
INSPECT TERMINAL BENT
z
Turn the ignition switch off.
z
Disconnect the CHT sensor connector.
z
Inspect for bent of CHT sensor
terminals A and B (part-side).
z
Is there any malfunction?
Yes Repair or replace the terminal, then go to Step
6.
No
Go to the next step.
4
INSPECT CHT SENSOR SIGNAL
CIRCUIT FOR SHORT TO GROUND
z
Turn the ignition switch off.
z
Inspect for continuity between CHT
sensor terminal B (wiring harness-side)
and body ground.
z
Is there continuity?
Yes
Repair or replace suspected part, then go to
Step 6.
No
Go to the next step.
5
INSPECT CHT SENSOR
z
Inspect the CHT sensor. (See
CYLINDER HEAD
TEMPERATURE (CHT) SENSOR
INSPECTION [MZI-3.7]
.)
z
Is there any malfunction?
Yes
Replace the CHT sensor, then go to the next
step.
No
Go to the next step.
6
VERIFY TROUBLESHOOTING OF DTC
P1290 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.
7
VERIFY AFTER REPAIR PROCEDURE
z
Perform "AFTER REPAIR
PROCEDURE". (See
AFTER
REPAIR PROCEDURE [MZI-3.7]
.)
Yes
Go to the applicable DTC inspection. (See
DTC TABLE [MZI-3.7]
.)
2008 Mazda CX-9 Grand Touring
2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:08:41 AM
Page 330
© 2005 Mitchell Repair Information Company, LLC.
