Mazda CX-9 Grand Touring 2009 Manual page 1194

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Verify related Service Bulletins and/or
on-line repair information availability.
2
Is any related Service Bulletins
available?
INSPECT TERMINAL BENT
Turn the ignition switch off.
Disconnect the CHT sensor connector.
3
Inspect for bent of CHT sensor
terminals A and B (part-side).
Is there any malfunction?
INSPECT CHT SENSOR SIGNAL
CIRCUIT FOR SHORT TO GROUND
Turn the ignition switch off.
4
Inspect for continuity between CHT
sensor terminal B (wiring harness-side)
and body ground.
Is there continuity?
INSPECT CHT SENSOR
Inspect the CHT sensor. (See
CYLINDER HEAD
5
TEMPERATURE (CHT) SENSOR
INSPECTION [MZI-3.7] .)
Is there any malfunction?
VERIFY TROUBLESHOOTING OF DTC
P1290 HAS BEEN COMPLETED
Verify that all disconnected connectors
reconnected.
Clear the DTC from the PCM memory
6
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?
VERIFY AFTER REPAIR PROCEDURE
7
Perform "AFTER REPAIR
PROCEDURE". (See AFTER
REPAIR PROCEDURE [MZI-3.7].)
2008 Mazda CX-9 Grand Touring
Yes
No
Repair or replace the terminal, then go to Step
Yes
6.
No
Repair or replace suspected part, then go to
Yes
Step 6.
No
Replace the CHT sensor, then go to the next
Yes
step.
No
Replace the PCM, then go to the next step.
Yes (See PCM REMOVAL/INSTALLATION
[MZI-3.7] .)
No
Go to the applicable DTC inspection. (See
Yes
DTC TABLE [MZI-3.7].)
If the vehicle is not repaired, go to the
next step.
Go to the next step.
Go to the next step.
Go to the next step.
Go to the next step.
Go to the next step.