DTC P0231 [MZI-3.5]
DTC P0231 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES
DIAGNOSTIC PROCEDURE
DTC P0231
FP secondary circuit low
DETECTION
CONDITION
z
The PCM monitors the fuel pump monitor circuit. The test fails if the PCM comm
the fuel pump ON and B+ voltage is not detected on the FPM circuit.
POSSIBLE CAUSE
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Fuel pump relay malfunction
z
Connector or terminal malfunction
z
Open circuit between battery and fuel pump relay terminal C
z
Open circuit between fuel pump relay terminal D and PCM terminal 1Q
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:26:31 AM
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