Mazda CX-9 Grand Touring 2009 Manual page 1000

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 TP SENSOR CIRCUIT FOR
SHORT TO GROUND
Turn the ignition switch to the ON
position (Engine off).
Inspect for continuity between the
4
following circuits:
TP sensor terminal D (wiring
harness-side) and body ground
TP sensor terminal C (wiring
harness-side) and body ground
Are there continuity?
INSPECT PCM CONNECTOR FOR POOR
CONNECTION
Turn the ignition switch off.
5
Disconnect the PCM connector.
Inspect for poor connection (such as
damaged/pulled-out pins, corrosion).
Are there any malfunction?
INSPECT TP SIGNAL CIRCUIT FOR
OPEN CIRCUIT
Inspect for continuity between throttle
6
body connector terminal C (wiring
harness-side) and PCM terminal 2AD
(wiring harness-side).
Is there continuity?
INSPECT TP GROUND CIRCUIT FOR
OPEN CIRCUIT
2008 Mazda CX-9 Grand Touring
Yes
No
Repair or replace suspected part, then go to
Yes
Step 9.
No
Repair or replace suspected part, then go to
Yes
Step 9.
No
Repair or replace suspected part, then go to
Yes
Step 9.
No
Yes Go to the next step.
No
Yes Go to the next 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.
Repair or replace suspected part, then go to
Step 9.