DTC P2016: Notes
DTC P2016 [L3] DETECTION CONDITIONS AND POSSIBLE CAUSES
| DTC P2016:00 |
Variable tumble shutter valve switch circuit low input |
| DETECTION CONDITION |
- The PCM monitors input voltage from SCV position sensor. If input voltage is below 0.1 V for 4.9 s
, the PCM determines that the SCV position sensor circuit has a malfunction.
Diagnostic support note
- This is a continuous monitor (CCM).
- The MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle.
- FREEZE FRAME DATA (Mode 2/Mode 12) is available.
- The DTC is stored in the PCM memory.
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| POSSIBLE CAUSE |
- Variable tumble shutter valve switch connector or terminals malfunction
- Short to ground in wiring harness between the following terminals:
- Variable tumble shutter valve switch terminal B-PCM terminal 2AU
- Variable tumble shutter valve switch terminal C-PCM terminal 2R
- PCM connector or terminals malfunction
- Variable tumble shutter valve switch signal circuit and ground circuit are shorted to each other
- Open circuit in wiring harness between variable tumble shutter valve switch terminal B and PCM terminal 2AU
- Variable tumble shutter valve switch malfunction
- PCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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