DTC P0748
Pressure control solenoid circuit malfunction (open circuit/short to ground or power
DTC P0748
supply)
DETECTION
CONDITION
POSSIBLE
CAUSE
Open or short circuit in pressure control solenoid signal system (when the TCM
•
monitors solenoid output voltage, voltage that differs from the ON/OFF signal
output by CPU in TCM is detected)
Diagnostic support note:
This is continuous monitor (CCM).
•
MIL does not illuminates.
•
PENDING CODE is not available.
•
FREEZE FRAME DATA is available.
•
AT warning light illuminate if TCM detects the above malfunction condition
•
during first drive cycle.
DTC is stored in TCM memory.
•
Pressure control solenoid valve malfunction
•
Open circuit in wiring harness between pressure control solenoid valve terminal A
•
and TCM terminal 2X
Short to ground in wiring harness between pressure control solenoid valve
•
terminal A and TCM terminal 2X
Short to power supply in wiring harness between pressure control solenoid valve
•
terminal A and TCM terminal 2X
Damaged connector between pressure control solenoid valve and TCM
•
TCM malfunction
•
(w)
RX-8 Transmission (Manual & Auto)
Page 195