Mazda CX-9 Grand Touring 2009 Manual page 1270

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Start the engine.
Is the same DTC present?
VERIFY AFTER REPAIR
PROCEDURE
Perform the "AFTER REPAIR
9
PROCEDURE". (See AFTER
REPAIR PROCEDURE [MZI-
3.7].)
Are any DTC present?
DTC P2135 [MZI-3.7]
DTC P2135 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DTC P2135
DETECTION
CONDITION
POSSIBLE CAUSE
2008 Mazda CX-9 Grand Touring
TP sensor No.1/No.2 voltage correlation
The PCM flagged a concern indicating that TP sensor No.1 and TP sensor No.2
disagree by more than a calibrated limit.
Short to power supply between TP sensor No.1 terminal F and PCM terminal 2Z
Short to power supply between TP sensor No.2 terminal C and PCM terminal
2AD
TP sensor circuits are shorted each other
TP sensor malfunction
No Go to the next step.
Go to the applicable DTC inspection. (See DTC
Yes
TABLE [MZI-3.7].)
No DTC troubleshooting completed.