z
Vacuum connection
z
Air cleaner element
z
No air leakage from intake-air
system
z
No restriction of intake-air
system
z
Proper sealing of intake manifold
and components attached to
intake manifold
z
Ignition wiring
z
Fuel quality: proper octane,
contamination, winter/summer
blend
z
Electrical connections
z
Smooth operation of throttle
valve
Are all items normal?
No
Service if necessary.
Repeat Step 9.
10
Connect the M-MDS to the DLC-2.
Access the APP1 and APP2, APP3
PIDs. Crank the engine with
accelerator pedal released. Are the
APP1 and APP2, APP3 PIDs
indicating that the accelerator pedal is
in the released position?
Yes
Go to the next step.
No
Inspect for the following:
z
APP sensor
z
Wiring harnesses and connectors
for following:
{
PCM terminal 1AC-APP
sensor terminal B
{
PCM terminal 1AH-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 1AD-APP
sensor terminal G
{
PCM terminal 1AG-APP
sensor terminal H
11
Connect the M-MDS to the DLC-2.
Access the TP1, TP2 PID. Crank the
engine with accelerator pedal released.
Yes
Go to the next step.
No
Inspect for the following:
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:27:37 AM
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