Mazda RX-8 Workshop Manual page 586

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2011 - RX-8 - Engine
DTC P0076 [13B-MSP]
DTC P0076 VDI solenoid valve control circuit low input
DETECTION
CONDITION
POSSIBLE
CAUSE
The PCM monitors the VDI solenoid valve control voltage when the PCM turns the VDI solenoid
valve off. If the control voltage is low, the PCM determines that the VDI solenoid valve control
circuit voltage is low.
Diagnostic support note
This is a continuous monitor (other).
The MIL does not illuminate.
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 not available.
The DTC is stored in the PCM memory.
VDI solenoid valve connector or terminals malfunction
VDI solenoid valve malfunction
Short to ground or open circuit in VDI solenoid valve power supply circuit
Short to ground in wiring harness between main relay terminal C and VDI
solenoid valve terminal A
VDI solenoid valve related fuse malfunction
Open circuit in wiring harness between main relay terminal C and VDI solenoid
valve terminal A
Short to ground in wiring harness between VDI solenoid valve terminal B and PCM terminal 2L
PCM connector or terminals malfunction
Open circuit in wiring harness between VDI solenoid valve terminal B and PCM terminal 2L
PCM malfunction