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Home >> Mazda >> 2007 >> 5 Grand Touring, 2.3 L >> Repair and Diagnosis >> Transmission >> Automatic Trans >> On-Board Diagnostic [Automatic Transaxle) >> DTC P0763 >> Notes

DTC P0763: Notes

DTC P0763 [FN4A-EL] DETECTION CONDITION CHART

DTC P0763 Shift solenoid C malfunction (electrical)
DETECTION CONDITION 
  • If the PCM detects either of the following conditions, the PCM determines that shift solenoid C circuit has a malfunction.
    • Shift solenoid C voltage stuck at B+  after engine start
    • Shift solenoid C voltage stuck at 0 V  after engine start

Diagnostic support note: 

  • This is a continuous monitor (CCM).
  • The MIL illuminates if the PCM detects the above malfunction conditions during the first drive cycle.
  • A PENDING CODE is not available.
  • FREEZE FRAME DATA is available.
  • The AT warning light illuminates.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • Shift solenoid C malfunction
  • Short to ground in wiring harness between ATX terminal G and PCM terminal 1D
  • Short to power supply in wiring harness between ATX terminal G and PCM terminal 1D
  • Open circuit in wiring harness between shift solenoid C terminal B and ATX terminal G
  • Open circuit in wiring harness between ATX terminal G and PCM terminal 1D
  • Open circuit in wiring harness between shift solenoid C terminal A and body ground
  • Damaged connector between shift solenoid C and PCM
  • PCM malfunction
G04316394