F (wiring harness-side) and body
ground.
z
Is the voltage B+?
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-3.5].
)
z
Are there any malfunction?
Yes
Replace the throttle body, then go to the
next step.
No
Go to the next step.
8
VERIFY TROUBLESHOOTING OF
DTC P0123 HAS BEEN
COMPLETED
z
Make sure to reconnect all
disconnected connectors.
z
Clear the DTC from the PCM
memory using the M-MDS.
z
Start the engine.
z
Perform the "KOEO/KOER self-
test".
(See
KOEO/KOER SELF TEST
[MZI-3.5]
.)
z
Is same DTC present?
Yes
Replace the PCM, then go to the next step.
(see
PCM
REMOVAL/INSTALLATION [MZI-
3.5]
.)
No
Go to the next step.
9
VERIFY AFTER REPAIR
PROCEDURE
z
Perform the "AFTER REPAIR
PROCEDURE".
Yes
Go to the applicable DTC inspection.
(See
DTC TABLE [MZI-3.5]
.)
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:26:30 AM
Page 82
© 2005 Mitchell Repair Information Company, LLC.