Mazda CX-9 Grand Touring 2009 Manual page 944

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Verify related Service Bulletins and/or
on-line repair information availability.
2
Is any related Service Bulletins
available?
INSPECT TP SENSOR CONNECTOR
FOR POOR CONNECTION
Turn the ignition switch off.
3
Disconnect the throttle body connector.
Inspect for poor connection (such as
damaged/pulled-out pins, corrosion).
Are there any malfunction?
INSPECT PCM CONNECTOR FOR
POOR CONNECTION
Turn the ignition switch off.
4
Disconnect the PCM connector.
Inspect for poor connection (such as
damaged/pulled-out pins, corrosion).
Are there any malfunction?
INSPECT TP SIGNAL CIRCUIT FOR
SHORT TO POWER SUPPLY
Turn the ignition switch to the ON
position (Engine off).
5
Measure the voltage between Throttle
body connector terminal F (wiring
harness-side) and body ground.
Is the voltage B+?
INSPECT TP SENSOR SIGNAL
CIRCUITS FOR SHORT EACH OTHER
Disconnect the TP sensor and PCM
connector.
6
Measure resistance between Throttle
body connector terminal D and F
Is the resistance more than 10
kilohms?
INSPECT TP SENSOR NO.1
7
Inspect the TP sensor No.1. (See
THROTTLE POSITION (TP)
SENSOR INSPECTION [MZI-3.7] .)
2008 Mazda CX-9 Grand Touring
No
Repair or replace suspected part, then go to Step
Yes
8.
No
Repair or replace suspected part, then go to Step
Yes
8.
No
Repair or replace suspected part, then go to Step
Yes
8.
No
Yes Go to the next step.
Repair or replace suspected part, then go to Step
No
Replace the throttle body, then go to the next
Yes
step.
If the vehicle is not repaired, go to the
next step.
Go to the next step.
Go to the next step.
Go to the next step.
Go to the next step.
8.