Mazda CX-9 Grand Touring 2009 Manual page 1245

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
INFORMATION AVAILABILITY
Verify related Service Bulletins and/or on-
2
line repair information availability.
Is any related Service Bulletins available?
INSPECT ACCELERATOR PEDAL FOR
OBSTRUCTION
Turn the ignition switch to the ON position
(Engine off).
3
Depress the accelerator pedal fully to the
floor and release.
Does the pedal move freely to the floor and
back?
INSPECT APP SENSOR SIGNAL
VOLTAGE RANGES FOR ACCELERATOR
PEDAL FULLY APPLIED AND DEPRESS
POSITIONS
Access the PCM and monitor the APP1,
APP2 and APP3 PIDs.
Verify the following values of the PIDs
when depressing the accelerator pedal fully
to the floor.
APP1: 0.48-1.79 V
4
APP2: 2.95-4.62 V
APP3: 2.43-4.02 V
Verify the following values of the PIDs
when press the accelerator pedal release.
APP1: 3.43-4.69 V
APP2: 1.13-1.88V
APP3: 0.64-1.28 V
Are all PIDs signals out of range for the
pedal fully depressing and released
positions?
INSPECT REFERENCE VOLTAGE TO APP
SENSOR
5
Turn the ignition switch off.
Disconnect the APP sensor connector.
Turn the ignition switch to the ON position
(Engine off).
2008 Mazda CX-9 Grand Touring
Yes
No
Yes Go to the next step.
No
Yes Go to the next step.
No
Yes Go to the next step.
available Service Bulletins.
If the vehicle is not repaired, go to the
next step.
Go to the next step.
Isolate and repair the obstruction. Then go
to Step 12.
Go to Step 6.