Dtc P0103 [13B-Msp] - Mazda RX-8 Workshop Manual

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2011 - RX-8 - Engine

DTC P0103 [13B-MSP]

DTC P0103 MAF sensor circuit high input
DETECTION
CONDITION
POSSIBLE
CAUSE
The PCM monitors the input voltage from the MAF sensor when the engine is running. If the
input voltage is more than 5.0 V, the PCM determines that the MAF sensor circuit input
voltage is high.
Diagnostic support note
This is a continuous monitor (CCM).
The MIL illuminates if the PCM detects the above malfunction condition in the first drive cycle.
FREEZE FRAME DATA (Mode 2/Mode 12) is available.
The DTC is stored in the PCM memory.
MAF/IAT sensor connector or terminals malfunction
PCM connector or terminals malfunction
Short to power supply in wiring harness between MAF/IAT sensor terminal C and PCM terminal
1AK
Open circuit in wiring harness between MAF/IAT sensor terminal B and PCM terminal 1L
MAF sensor malfunction
PCM malfunction