Mazda CX-9 Grand Touring 2009 Manual page 939

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
disconnected connectors.
Clear the DTC from memory using M-
MDS.
Start the engine.
7
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
8
PROCEDURE". (See AFTER
REPAIR PROCEDURE [MZI-3.7].)
Are any DTCs present?
DTC P0122 [MZI-3.7]
DTC P0122 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DTC P0122
DETECTION
CONDITION
POSSIBLE CAUSE
2008 Mazda CX-9 Grand Touring
TP sensor No.1 circuit low input
The TP sensor No.1 circuit was flagged as a concern by the PCM indicating a
low voltage or open circuit.
TP sensor No.1 malfunction
Connector or terminal malfunction
Open circuit between throttle body terminal F and PCM terminal 2Z
Short to ground circuit between throttle body terminal F and PCM terminal 2Z
Open circuit between throttle body terminal E and PCM terminal 2AH
Replace the PCM, then go to the next step. (See
Yes PCM REMOVAL/INSTALLATION [MZI-
3.7] .)
No Go to the next step.
Go to the applicable DTC inspection. (See DTC
Yes
TABLE [MZI-3.7].)
No Troubleshooting completed.