Mazda CX-9 Grand Touring 2009 Manual page 1225

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
availability.
Is any related Service Bulletins
available?
INSPECT THROTTLE BODY
CONNECTOR FOR POOR
CONNECTION
Turn the ignition switch to the ON
position (Engine off).
3
Disconnect the throttle body
connector.
Inspect for poor connection (such
as damaged/pulled-out pins,
corrosion).
Are there any malfunction?
INSPECT THE THROTTLE
ACTUATOR
Inspect the throttle actuator. (See
4
THROTTLE BODY
INSPECTION [MZI-3.7] .)
Is there malfunction?
INSPECT PCM CONNECTOR FOR
POOR CONNECTION
Turn the ignition switch off.
Disconnect the PCM connector.
5
Inspect for poor connection (such
as damaged/pulled-out pins,
corrosion).
Is there any malfunction?
INSPECT THROTTLE ACTUATOR
CONTROL CIRCUIT FOR OPEN
Disconnect the PCM connector.
Inspect for continuity between the
following terminals:
6
Throttle body terminal A and
PCM terminal 2BO
Throttle body terminal B and
PCM terminal 2BR
Are there continuity?
INSPECT TP SENSOR SIGNAL
2008 Mazda CX-9 Grand Touring
step.
No
Yes Repair or replace suspected part, then go to Step 9.
No
Replace the throttle body, then go to Step 9. (See
Yes INTAKE-AIR SYSTEM
REMOVAL/INSTALLATION [MZI-3.7] .)
No
Yes Repair or replace suspected part, then go to Step 9.
No
Yes Go to the next step.
No Repair or replace suspected part, then go to Step 9.
Go to the next step.
Go to the next step.
Go to the next step.
Go to the next step.