Dtc P0768 - Mazda Mazda6 Workshop Manual Supplement

DTC P0768

DTC P0768 Reduction timing solenoid valve circuit malfunction (open/short)
• Open or short in reduction timing solenoid signal system (while TCM monitors solenoid output voltage, the
voltage that differs from the ON/OFF signal output by CPU in TCM is detected.)
Diagnostic support note:
• This is continuous monitor (CCM).
DETECTION
• MIL does not illuminate
CONDITION
• PENDING CODE is not available.
• FREEZE FRAME DATA is not available.
• AT warning light indication.
• DTC is stored in TCM memory.
• Open circuit between reduction timing solenoid valve terminal A and TCM terminal 2G
• Short to ground between reduction timing solenoid valve terminal A and TCM terminal 2G
• Short to power between reduction timing solenoid valve terminal A and TCM terminal 2G
POSSIBLE
• Reduction timing solenoid valve malfunction
CAUSE
• Damaged connector between reduction timing solenoid and TCM
• TCM malfunction
HARNESS SIDE CONNECTOR
COUPLER COMPONENT
PART SIDE CONNECTOR
ON-BOARD DIAGNOSTIC
TCM
CPU
2G
TCM
(10-PIN)
ATX
E I
A
REDUCTION TIMING
SOLENOID VALVE
TERMINAL COMPONENT
NO.1(12-PIN)
HARNESS SIDE CONNECTOR
REDUCTION TIMING
SOLENOID VALVE
HARNESS SIDE CONNECTOR
A6E577018901224
K2
K2–163