Mazda RX-8 Workshop Manual page 473

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2011 - RX-8 - Engine
DTC P2402 [13B-MSP]
DTC P2402 EVAP system leak detection pump control circuit high
The PCM monitors the pump load current (EVAP line pressure) when the evaporative leak monitor is
operating. If the pump load current is more than the specification, the PCM determines that the EVAP
system leak detection pump control circuit voltage is high.
Diagnostic support note
This is an intermittent monitor (EVAP system).
DETECTION
CONDITION 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.
EVAP system leak detection pump connector or terminals malfunction
EVAP system leak detection pump malfunction
POSSIBLE
PCM connector or terminals malfunction
CAUSE
Short to power supply in wiring harness between EVAP system leak detection pump terminal D and PCM
terminal 1U
PCM malfunction