| DETECTION CONDITION |
- The PCM monitors the input voltage from the MAP sensor. If the input voltage is below 0.1 V
for 5 s
, the PCM determines that the MAP sensor circuit has a malfunction.
Diagnostic support note
- This is a continuous monitor (CCM).
- The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle.
- FREEZE FRAME DATA (Mode 2)/Snapshot data is available.
- The DTC is stored in the PCM memory.
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| FAIL-SAFE FUNCTION |
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| POSSIBLE CAUSE |
- MAP sensor connector or terminals malfunction
- Short to ground in wiring harness between the following terminals:
- MAP sensor terminal C-PCM terminal 2AU
- MAP sensor terminal D-PCM terminal 2AG
- PCM connector or terminals malfunction
- MAP sensor signal circuit and ground circuit are shorted to each other
- Open circuit in wiring harness between MAP sensor terminal C and PCM terminal 2AU
- MAP sensor malfunction
- PCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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