Dtc P0132 [Z6] - Mazda 3 Workshop Manual

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
(See AFTER REPAIR PROCEDURE
[Z6].)
• Are any DTCs present?
DTC P0132
DETECTION
CONDITION
POSSIBLE CAUSE
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DTC P0132 [Z6]

Front HO2S circuit high voltage
• The PCM monitors the input voltage from the front HO2S when the engine
is running. If the input voltage is more than 1.2 V, the PCM determines that
the front HO2S circuit voltage is high.
Diagnostic support note
• This is a continuous monitor (HO2S).
• 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 is available.
• The DTC is stored in the PCM memory.
• Front HO2S malfunction
• Connector or terminal malfunction
• Short to power supply in wiring harness between front HO2S terminal A and
PCM terminal 2AI
• PCM malfunction
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