DTC P1650:00 [MZI-3.7]: Notes
WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DETECTION CONDITION & POSSIBLE CAUSE
| DTC P1650:00 |
PSP switch out of self-test range |
| DETECTION CONDITION |
- In the KOEO self-test, this DTC indicates the PSP input to the PCM is high. In the KOER self-test, this DTC indicates the PSP input did not change state.
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| POSSIBLE CAUSE |
- PSP switch malfunction
- Short to ground circuit between PSP switch terminal A and PCM terminal 1G
- Open circuit between PSP switch terminal A and PCM terminal 1G
- The steering wheel must be turned during KOER self-test
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 Courtesy of MAZDA MOTORS CORP.
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