Mazda CX-9 Grand Touring 2009 Manual page 1001

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Turn the ignition switch off.
Verify the continuity between TP sensor
7
terminal E and body ground.
Is the continuity?
INSPECT TP SENSOR NO.2
Inspect the TP sensor No.2. (See
8
THROTTLE POSITION (TP)
SENSOR INSPECTION [MZI-3.7] .)
Is there any malfunction?
VERIFY TROUBLESHOOTING OF DTC
P0222 HAS BEEN COMPLETED
Make sure to reconnect all disconnected
connectors.
Clear the DTC from the PCM memory
9
using the M-MDS.
Start the engine.
Perform the "KOEO/KOER self-test".
(See KOEO/KOER SELF TEST [MZI-
3.7].)
Is same DTC present?
VERIFY AFTER REPAIR PROCEDURE
Perform the "AFTER REPAIR
10
PROCEDURE". (See AFTER REPAIR
PROCEDURE [MZI-3.7].)
Are any DTCs present?
DTC P0223 [MZI-3.7]
DTC P0223 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DTC P0223
DETECTION
CONDITION
POSSIBLE CAUSE
2008 Mazda CX-9 Grand Touring
TP sensor No.2 circuit high input
The TP sensor No.2 circuit was flagged as a concern by the PCM indicating a
high voltage.
TP sensor No.2 malfunction
Connector or terminal malfunction
Open circuit wiring harness between throttle body terminal C and PCM
terminal 2AD
TP sensor signal circuits are shorted each other
Repair or replace suspected part, then go to
No
Step 9.
Replace the throttle body, then go to the next
Yes
step.
No Go to the next step.
Replace the PCM, then go to the next step.
Yes (See PCM REMOVAL/INSTALLATION
[MZI-3.7] .)
No Go to the next step.
Go to the applicable DTC inspection. (See
Yes
DTC TABLE [MZI-3.7].)
No Troubleshooting completed.