DTC P0505: Notes
DTC P0505 [AJ] DETECTION CONDITION AND POSSIBLE CAUSES
| DTC P0505 |
IAC system malfunction |
| DETECTION CONDITION |
- The PCM cannot control the idle speed toward the target idle speed during the KOER self test.
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| POSSIBLE CAUSE |
- IAC valve circuit malfunction
- Short to ground between IAC valve terminal A and PCM terminal 87
- Open circuit between IAC valve terminal A and PCM terminal 87
- Short to ground between IAC valve terminal B and PCM terminal 88
- Short to power between IAC valve terminal B and PCM terminal 88
- Open circuit between IAC valve terminal B and PCM terminal 88
- Poor connection of IAC valve connector or PCM connector
- PCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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