DTC P0500: Notes
DTC P0500 [AJ] DETECTION CONDITION AND POSSIBLE CAUSES
| DTC P0500 |
Vehicle speed sensor (VSS) circuit malfunction |
| DETECTION CONDITION |
- Vehicle speed signal from instrument cluster is below 1.88 km/h {1.17 mph} when following conditions are met:
- Shift range in expect P, N or R range
- Load is above 40%
- Engine speed is 2,000 rpm or above
- Brake switch is OFF
Diagnostic support note:
- This is a continuous monitor (CCM).
- The MIL illuminates if the PCM detects the above malfunction condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the PCM.
- PENDING CODE is available if the PCM detects the above malfunction condition during the first drive cycle.
- FREEZE FRAME DATA is available.
- DTC is stored in PCM memory.
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| POSSIBLE CAUSE |
- PCM malfunction
- Instrument cluster malfunction
- ABS HU/CM malfunction
- Open circuit between PCM terminal 79 and instrument cluster terminal 2O
- Short to ground between PCM terminal 79 and instrument cluster terminal 2O
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 Courtesy of MAZDA MOTORS CORP.
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