availability.
z
Is any related Service Bulletins
available?
step.
No
Go to the next step.
3
INSPECT MAF SENSOR
CONNECTOR FOR POOR
CONNECTION
z
Turn the ignition switch off.
z
Disconnect the MAF/IAT sensor
connector.
z
Inspect for poor connection (such as
damaged/pulled-out pins,
corrosion).
z
Are there any malfunction?
Yes Repair or replace suspected part, then go to Step 8.
No
Go to the next step.
4
INSPECT THROTTLE ACTUATOR
CONTROL CIRCUIT FOR SHORT
TO POWER SUPPLY
z
Turn the ignition switch to the ON
position (Engine off).
z
Measure voltage between the
following circuits:
{
Throttle actuator terminal A
(wiring harness-side) and
body ground.
{
Throttle actuator terminal B
(wiring harness-side) and
body ground.
z
Are there voltage B+?
Yes Repair or replace suspected part, then go to Step 8.
No
Go to the next step.
5
INSPECT THROTTLE ACTUATOR
CONTROL CIRCUITS FOR SHORT
EACH OTHER
z
Turn the ignition switch off.
z
Disconnect the throttle body and
PCM connector.
z
Measure resistance between throttle
actuator terminal A and B.
z
Is the resistance
more than 10
kilohms?
Yes Go to the next step.
No Repair or replace suspected part, then go to Step 8.
6
INSPECT THROTTLE ACTUATOR
z
Inspect the throttle actuator. (See
Yes
Replace the throttle body, then go to Step 8. (See
INTAKE-AIR SYSTEM
REMOVAL/INSTALLATION [MZI-3.7]
.)
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 369
© 2005 Mitchell Repair Information Company, LLC.
