Mazda CX-9 Grand Touring 2007 Manual page 736

2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Perform "AFTER REPAIR
PROCEDURE".
(See AFTER REPAIR
PROCEDURE [MZI-3.5].)
Are any DTCs present?
DTC P2100 [MZI-3.5]
DTC P2100 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES
DTC P2100
DETECTION
CONDITION
POSSIBLE CAUSE
2007 Mazda CX-9 Grand Touring
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 2
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 2
Short to power supply in wiring harness between throttle body terminal B and PCM
terminal 2BR
Throttle actuator circuits are shorted each other
No Troubleshooting completed.