2
z
Verify related Service Bulletins and/or
on-line repair information availability.
z
Is any related Service Bulletins
available?
z
If the vehicle is not repaired, go to the
next step.
No
Go to the next step.
3
INSPECT TP SENSOR CONNECTOR
FOR POOR CONNECTION
z
Turn the ignition switch off.
z
Disconnect the throttle body 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 PCM CONNECTOR FOR
POOR CONNECTION
z
Turn the ignition switch off.
z
Disconnect the PCM 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.
5
INSPECT TP SIGNAL CIRCUIT FOR
SHORT TO POWER SUPPLY
z
Turn the ignition switch to the ON
position (Engine off).
z
Measure the voltage between Throttle
body connector terminal F (wiring
harness-side) and body ground.
z
Is the voltage B+?
Yes
Repair or replace suspected part, then go to Step
8.
No
Go to the next step.
6
INSPECT TP SENSOR SIGNAL
CIRCUITS FOR SHORT EACH OTHER
z
Disconnect the TP sensor and PCM
connector.
z
Measure resistance between Throttle
body connector terminal D and F
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.
7
INSPECT TP SENSOR NO.1
z
Inspect the TP sensor No.1. (See
THROTTLE POSITION (TP)
SENSOR INSPECTION [MZI-3.7]
.)
Yes
Replace the throttle body, then 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 10:08:35 AM
Page 80
© 2005 Mitchell Repair Information Company, LLC.
