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Civic GX, Standard, S4C
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Idle Control System (GX)
Idle Control System (GX)
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System Description
Notes
Idle Control System
DTC P0505: Idle control system malfunction
Notes
Possible Cause
Idle Air Control (IAC) Valve
DTC P1509: A problem in the idle Air Control (IAC) valve circuit
Starter Switch Signal
Air Conditioning Signal
Alternator (ALT) FR Signal
Brake Switch Signal
Power Steering Pressure (PSP) Switch Signal
Idle Speed Setting