Mazda CX-9 Grand Touring 2009 Manual page 1319

2008 ENGINE Symptom Troubleshooting (MZI-3.7) - Mazda CX-9
Between coil terminal A and
instrument cluster terminal 1G
Between coil terminal B and
instrument cluster terminal 1E
Is there any malfunction?
Inspect the following wiring harnesses and
connectors for an open or short circuit:
Between keyless control module
terminal 3W and instrument cluster
terminal 1W
7
Between keyless control module
terminal 3X and instrument cluster
terminal 1X
Is there any malfunction?
Inspect for the following wiring harnesses
and connectors:
Between PCM terminal 1BG and
instrument cluster terminal 1W
8
Between PCM terminal 1BL and
instrument cluster terminal 1X
Is there any malfunction?
Verify the following:
Vacuum connection
Air cleaner element
No air leakage from intake-air
system
No restriction of intake-air system
9
Proper sealing of intake manifold
and components attached to intake
manifold
Ignition wiring
Fuel quality: proper octane,
contamination, winter/summer blend
Electrical connections
2008 Mazda CX-9 Grand Touring
No
Yes
No
Yes
No
Yes
No
keyless entry system.)
Go to Step 8. (without advanced keyless
entry system.)
Repair or replace wiring harness and
connectors.
Go to the next step.
Repair or replace the suspected wiring
harness and connector.
Go to the next step.
Go to the next step.
Service if necessary.
Repeat Step 9.