Mazda RX-8 Workshop Manual page 327

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2011 - RX-8 - Engine
DTC P0461 [13B-MSP]
DTC P0461 Fuel gauge sender unit (main) circuit range/performance problem
DETECTION
CONDITION
POSSIBLE
CAUSE
Diagnostic procedure
STEP
VERIFY FREEZE FRAME DATA (MODE 12)
1
HAS BEEN RECORDED
Has the FREEZE FRAME DATA
(Mode 12) been recorded?
The PCM monitors the fuel tank level difference before and after the PCM-
calculated fuel consumption has reached more than 21 L {22.2 US qt,
18.5 Imp qt}. If the difference is less than 5%, the PCM determines that
there is a fuel gauge sender unit (main) circuit range/performance problem.
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.
Instrument cluster malfunction
Fuel gauge sender unit (main) malfunction
PCM malfunction
INSPECTION
YesGo to the next step.
No Record the FREEZE FRAME DATA (Mode 12) on
the repair order, then go to the next step.
ACTION