Join Now
International Automotive Technicians Network

P0505 Diagnostic Trouble Code Discussion for July 2004

Idle Air Control Motor Circuit Malfunction

Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0505
Help Request Posted
1996 Dodge Grand Caravan SE 3.3L MIL Lamp on VIN: 1B4GP44R7T
P0505: Idle Air Control Motor Circuit Malfunction. ... code P0505 with red brick. Did functional test on IAC. Scrolled up to 1800 RPM but only got to 1300 on engine. Installed Mopar IAC #[...] and got no improvement. Checked the circuits via ohm meter and got 0 ohms end to end (disconnected from PCM). Opened u...
July 01, 2004
1996 Nissan Pickup SE 2.4L MIL Lamp on VIN: 1N6SD16YXT
P0505: Idle Air Control, Auxiliary Air Control Valve Circuit Malfunction. Engine light came on along with BRAKE light and BATT light. Read codes posted above , erase codes, restart & codes set immediately. Engine runs ok, Charging system tests ok. Checked both brake light switches ( master cylinder float switch and park brake sw...
July 12, 2004
1999 Toyota Camry CE 2.2L Poor Idle Quality, MIL Lamp on VIN: 4T1BG22K9X
P0505: Idle Control System Malfunction. ... ones that has exhausted all the logic and scope mastry me and Danny can throw at it, tyme to beg for bigger guns to help! :) The problem child is a 99 Camry, clean, idles smooth and nice at ABOUT 700 rpm when it comes in. has recurring code P0505 - Idle s...
July 12, 2004