Mazda RX-8 Workshop Manual page 400

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2011 - RX-8 - Engine
DTC P2009 [13B-MSP]
DTC P2009 APV motor control circuit low input
DETECTION
CONDITION
POSSIBLE
CAUSE
Detect any of the following conditions:
The PCM terminal 2D voltage is not within 3.6 to 4.39 V when
the APV motor is operating (open).
The PCM terminal 2F voltage is not within 3.6 to 4.39 V when
the APV motor is operating (closed).
The PCM terminal 2D, 2F voltage is 4.39 V or more respectively
when the APV motor is not operating.
Diagnostic support note
This is a continuous monitor (CCM).
The MIL illuminates if the PCM detects the above malfunction condition in two
consecutive drive cycles or in one drive cycle while the DTC for the same
malfunction has been stored in the PCM.
PENDING CODE is available if the PCM detects the above malfunction condition
during the first drive cycle.
FREEZE FRAME DATA (Mode 2/Mode 12) is available.
The DTC is stored in the PCM memory.
APV motor connector or terminals malfunction
Short to ground in wiring harness between APV motor terminal B and PCM terminal
2D
Short to ground in wiring harness between APV motor terminal A and PCM terminal
2F
APV motor malfunction
PCM connector or terminals malfunction
PCM malfunction