DTC P0722: Notes
DTC P0722 [AW6A-EL, AW6AX-EL] DETECTION CONDITION AND POSSIBLE CAUSES
| DTC P0722 |
Vehicle speed sensor (VSS) circuit malfunction (open circuit/short circuit) |
| DETECTION CONDITION |
- When all conditions below are satisfied.
- D range of TR switch input
- Driving vehicle at vehicle speed of 20 km/h {12 mph} or more
- Turbine speed signal 16 pulse input
- VSS signal not input
- Normal vehicle speed signal is not input for 0.1 s or more.
Diagnostic support note:
- This is a continuous monitor (CCM).
- The MIL illuminates if the TCM detects the above malfunction condition 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 TCM memory.
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| POSSIBLE CAUSE |
- VSS malfunction
- Open circuit between VSS terminal B and TCM terminal B19
- Open circuit between VSS terminal A and TCM terminal B20
- Short to ground in wiring harness between VSS terminal B and TCM terminal B19
- Short to ground in wiring harness between VSS terminal A and TCM terminal B20
- Short to power in wiring harness between VSS terminal B and TCM terminal B19
- Short to power in wiring harness between VSS terminal A and TCM terminal B20
- Damaged connector between VSS and TCM
- TCM malfunction
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Courtesy of MAZDA MOTORS CORP.
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