Mazda CX-9 Grand Touring 2009 Manual page 1238

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Turn the ignition switch off.
Disconnect the throttle body and PCM
connector.
8
Measure resistance between throttle actuator
terminal A and B.
Is the resistance more than 10 kilohms?
VERIFY TROUBLESHOOTING OF DTC
P2111 HAS BEEN COMPLETED
Verify that all disconnected connectors
reconnected.
Clear the DTC from the PCM memory using
the M-MDS.
9
Perform the "KOEO or KOER self-test" using
the M-MDS.
(See KOEO/KOER SELF TEST [MZI-
3.7].)
Is the PENDING CODE for the DTC present?
VERIFY AFTER REPAIR PROCEDURE
Perform the "AFTER REPAIR
10
PROCEDURE". (See AFTER REPAIR
PROCEDURE [MZI-3.7].)
Are any DTCs present?
DTC P2112 [MZI-3.7]
DTC P2112 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DTC P2112
DETECTION
CONDITION
POSSIBLE CAUSE
2008 Mazda CX-9 Grand Touring
Throttle actuator control system - stuck closed
This PCM fault status indicates the throttle plate is at a lower angle than
commanded.
Binding throttle body, stuck open
Throttle actuator control circuits are cross-wired
Throttle actuator control circuits are shorted each other
PCM malfunction
Repair or replace suspected part, then go
No
to the next step.
Replace the PCM, then go to the next
step. (See PCM
Yes
REMOVAL/INSTALLATION [MZI-
3.7] .)
No Go to the next step.
Go to the applicable DTC inspection.
Yes
(See DTC TABLE [MZI-3.7].)
No Troubleshooting completed.