Mazda Mazda6 - Dtc P0791

K2–172
ON-BOARD DIAGNOSTIC
DTC P0791
A6E577018901227
DTC P0791 Intermediate sensor circuit malfunction (open/short)
DETECTION
CONDITION
• Rotation speed of output gear (intermediate sensor) is low when vehicle speed and engine speed exceed
the preprogrammed value.
Diagnostic support note:
• This is continuous monitor (CCM).
• MIL illuminates if TCM detects the above malfunction condition.
• PENDING CODE is not available.
• FREEZE FRAME DATA is available.
• AT warning light indication.
• DTC is stored in TCM memory.
POSSIBLE
CAUSE
• Intermediate sensor malfunction.
• Short to ground between intermediate sensor terminal B and TCM terminal 1K
• Short to ground between intermediate sensor terminal A and TCM terminal 1X
• Open circuit between intermediate sensor terminal B and TCM terminal 1K
• Open circuit between intermediate sensor terminal A and TCM terminal 1X
• Damaged connectors between intermediate sensor and TCM.
• TCM malfunction.
D
B
A
C
1K
1X
CD
TCM
ATX
TCM
HARNESS SIDE CONNECTOR
TERMINAL COMPONENT
NO.2(8-PIN)
HARNESS SIDE CONNECTOR
COUPLER COMPONENT
(8-PIN)
PART SIDE CONNECTOR
INTERMEDIATE SENSOR
HARNESS SIDE CONNECTOR
INTERMEDIATE
SENSOR