Mazda CX-9 Grand Touring 2009 Manual page 1223

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Perform "AFTER REPAIR
PROCEDURE".
11
(See AFTER REPAIR
PROCEDURE [MZI-3.7].)
Are any DTCs present?
DTC P2100 [MZI-3.7]
DTC P2100 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DTC P2100
DETECTION
CONDITION
POSSIBLE CAUSE
2008 Mazda CX-9 Grand Touring
Yes
No
Throttle actuator circuit open
A PCM malfunction flag is set indicating the motor circuit is open.
Throttle actuator malfunction
Connector or terminal malfunction
Open circuit wiring harness between throttle body terminal A and PCM
terminal 2BO
Short to power supply in wiring harness between throttle body terminal A and
PCM terminal 2BO
Open circuit wiring harness between throttle body terminal B and PCM
terminal 2BR
Short to power supply in wiring harness between throttle body terminal B and
PCM terminal 2BR
Throttle actuator circuits are shorted each other
Go to the applicable DTC inspection. (See DTC
TABLE [MZI-3.7].)
Troubleshooting completed.