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P0505 Diagnostic Trouble Code Discussion for September 2010

Idle Air Control Motor Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0505
Help Request Posted
2000 Toyota Tacoma Pre Runner 2.7L MIL Lamp on VIN: 4TAWM72N4Y
P0505: Idle Control System Malfunction. Smoked intake system for leaks found leak @ T/B gasket, R&R gasket and cleaned throttle body unit heavy carbon buildup. Jumped pins E1 and TE1 on DLC in engine compartment and RPM didn't increase; verified power, ground and signal to IAC valve. Removed IAC...
September 09, 2010
2000 Toyota Tacoma Pre Runner 2.7L MIL Lamp on VIN: 4TAWM72N4Y
P0505: Idle Control System Malfunction. Smoked intake system for leaks found leak @ T/B gasket, R&R gasket and cleaned throttle body unit heavy carbon buildup. Jumped pins E1 and TE1 on DLC in engine compartment and RPM didn't increase; verified power, ground and signal to IAC valve. Removed IAC...
September 20, 2010
2001 Toyota Avalon XL 3.0L Poor Idle Quality VIN: 4TBF28BX1U
P0505: Idle Control System Malfunction. Avalon came in with P505 code and high idle speed. Checked voltage at IAC unit 12v good ground good. Signal wire to computer ohmed ok. No shorts to ground or voltage. Replaced Iac unit with aftermarket unit. Still idles high. Tryin not to condem computer. CTS ...
September 20, 2010
2000 Toyota Tacoma Pre Runner 2.7L MIL Lamp on VIN: 4TAWM72N4Y
P0505: Idle Control System Malfunction. Smoked intake system for leaks found leak @ T/B gasket, R&R gasket and cleaned throttle body unit heavy carbon buildup. Jumped pins E1 and TE1 on DLC in engine compartment and RPM didn't increase; verified power, ground and signal to IAC valve. Removed IAC...
September 09, 2010
2000 Toyota Tacoma Pre Runner 2.7L MIL Lamp on VIN: 4TAWM72N4Y
P0505: Idle Control System Malfunction. Smoked intake system for leaks found leak @ T/B gasket, R&R gasket and cleaned throttle body unit heavy carbon buildup. Jumped pins E1 and TE1 on DLC in engine compartment and RPM didn't increase; verified power, ground and signal to IAC valve. Removed IAC...
September 20, 2010
2001 Toyota Avalon XL 3.0L Poor Idle Quality VIN: 4TBF28BX1U
P0505: Idle Control System Malfunction. Avalon came in with P505 code and high idle speed. Checked voltage at IAC unit 12v good ground good. Signal wire to computer ohmed ok. No shorts to ground or voltage. Replaced Iac unit with aftermarket unit. Still idles high. Tryin not to condem computer. CTS ...
September 20, 2010