2
INFORMATION AVAILABILITY
z
Verify related Service Bulletins and/or on-
line repair information availability.
z
Is any related Service Bulletins available?
Yes
available Service Bulletins.
z
If the vehicle is not repaired, go to the
next step.
No
Go to the next step.
3
INSPECT ACCELERATOR PEDAL FOR
OBSTRUCTION
z
Turn the ignition switch to the ON position
(Engine off).
z
Depress the accelerator pedal fully to the
floor and release.
z
Does the pedal move freely to the floor and
back?
Yes Go to the next step.
No
Isolate and repair the obstruction. Then go
to Step 12.
4
INSPECT APP SENSOR SIGNAL
VOLTAGE RANGES FOR ACCELERATOR
PEDAL FULLY APPLIED AND DEPRESS
POSITIONS
z
Access the PCM and monitor the APP1,
APP2 and APP3 PIDs.
z
Verify the following values of the PIDs
when depressing the accelerator pedal fully
to the floor.
{
APP1: 0.48-1.79 V
{
APP2: 2.95-4.62 V
{
APP3: 2.43-4.02 V
z
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
z
Are all PIDs signals out of range for the
pedal fully depressing and released
positions?
Yes Go to the next step.
No
Go to Step 6.
5
INSPECT REFERENCE VOLTAGE TO APP
SENSOR
z
Turn the ignition switch off.
z
Disconnect the APP sensor connector.
z
Turn the ignition switch to the ON position
(Engine off).
Yes Go to the next step.
2008 Mazda CX-9 Grand Touring
2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:08:42 AM
Page 381
© 2005 Mitchell Repair Information Company, LLC.
