Mazda CX-9 Grand Touring 2009 Manual page 1320

2008 ENGINE Symptom Troubleshooting (MZI-3.7) - Mazda CX-9
Smooth operation of throttle valve
Are all items normal?
Connect the M-MDS to the DLC-2.
Access the APP1 and APP2, APP3 PIDs.
Crank the engine with accelerator pedal
10 released.
Are the APP1 and APP2, APP3 PIDs
indicating that the accelerator pedal is in
the released position?
Connect the M-MDS to the DLC-2.
Access the TP1, TP2 PID. Crank the
11 engine with accelerator pedal released.
Are the TP1, TP2 PID indicates the closed
throttle position?
2008 Mazda CX-9 Grand Touring
Yes
No
Yes
No
Go to the next step.
Inspect for the following:
APP sensor
Wiring harnesses and connectors for
following:
PCM terminal 1AC-APP
sensor terminal B
PCM terminal 1 AH-APP
sensor terminal C
PCM terminal 1Y-APP sensor
terminal D
PCM terminal 1AK-APP
sensor terminal E
PCM terminal 1BA-APP
sensor terminal F
PCM terminal 1 AD-APP
sensor terminal G
PCM terminal 1AG-APP
sensor terminal H
Go to the next step.
Inspect for the following:
TP sensor
Wiring harnesses and connectors for
following:
PCM terminal 2BO-TP sensor
terminal A
PCM terminal 2BR-TP sensor
terminal B
PCM terminal 2AD-TP sensor
terminal C
PCM terminal 2D-TP sensor
terminal D
PCM terminal 2AH-TP sensor
terminal E
PCM terminal 2Z-TP sensor
terminal F