DTC P0328; Pcm KS Circuit High Input: Notes
WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
DETECTION CONDITION & POSSIBLE CAUSE
| DTC P0328:00 |
KS circuit high input |
| DETECTION CONDITION |
- The PCM monitors input signal from the KS. If the input voltage is high for 5 s, the PCM determines that the KS circuit has a malfunction.
Diagnostic support note
- This is a continuous monitor (CCM).
- The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle.
- FREEZE FRAME DATA (Mode 2)/Snapshot data is available.
- DTC is stored in the PCM memory.
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| FAIL-SAFE FUNCTION |
- Sets the knocking spark retard correction value of the ignition control to the fixed value.
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| POSSIBLE CAUSE |
- KS connector or terminals malfunction
- KS malfunction
- PCM connector or terminals malfunction
- Short to power supply in wiring harness between the following terminals:
- KS terminal A-PCM terminal 1H
- KS terminal B-PCM terminal 1D
- KS circuits are shorted to each other
- Open circuit in wiring harness between the following terminals:
- KS terminal A-PCM terminal 1H
- KS terminal B-PCM terminal 1D
- PCM malfunction
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