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P0505 Diagnostic Trouble Code Discussion for October 2004

Idle Air Control Motor Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0505
Help Request Posted
1997 Nissan Pathfinder LE 3.3L Poor Idle Quality, MIL Lamp on VIN: JN8AR05YXV
P0505: Idle Air Control, Auxiliary Air Control Valve Circuit Malfunction. ... between 688 and 713 rpm, drops with load. Scanned and found a p0505, 12v going to valve, open in orange wire going to pcm. Told cust of this and she disclosed that the vehicle was in a pretty severe front end accident. I repaired the wire, cleared code. Co...
October 05, 2004
1997 Infiniti J30 3.0L MIL Lamp on VIN: JNKAY21D2V
P0505: Idle Air Control, Auxiliary Air Control Valve. ... out. We have a 1997 Infiniti J30 that we can't seem to get rid of. It originally came in with a rough idle and no engine light. We diagnosed a faulty iac/aac valve and replaced it with new parts. The car ran great and we assumed all was fixed. The next day...
October 08, 2004
1996 Geo Metro LSi 1.3L bucking VIN: 2C1MR5294T
P0505: Idle Speed Control System. Just moved to an independent after years as a line tech. I agreed to swap trans as vehicle was hanging in bay. Engine was swapped by another tech several hundred miles ago and ran OK. Vehicle returned to me with cracked flexplate, customer supplied transmissio...
October 11, 2004
1996 Geo Metro LSi 1.3L bucking VIN: 2C1MR5294T
P0505: Idle Speed Control System. Just moved to an independent after years as a line tech. I agreed to swap trans as vehicle was hanging in bay. Engine was swapped by another tech several hundred miles ago and ran OK. Vehicle returned to me with cracked flexplate, customer supplied transmissio...
October 14, 2004
1997 Mitsubishi Galant ES 2.4L Poor Idle Quality VIN: 4A3AJ56G7V
P0505: Idle Speed Control System Malfunction. Car came in with idle hunting or surging. RPMs jump from 1000 to 1600. If you bring the idle up it does not jump. We tried disconnecting the iac and it still did the same thing. Then we tried disconnecting MAF sensor idle stopped jumping but idle was not smoot...
October 20, 2004
1997 Nissan Pathfinder LE 3.3L Poor Idle Quality, MIL Lamp on VIN: JN8AR05YXV
P0505: Idle Air Control, Auxiliary Air Control Valve Circuit Malfunction. ... between 688 and 713 rpm, drops with load. Scanned and found a p0505, 12v going to valve, open in orange wire going to pcm. Told cust of this and she disclosed that the vehicle was in a pretty severe front end accident. I repaired the wire, cleared code. Co...
October 20, 2004
1997 Nissan Pathfinder LE 3.3L Poor Idle Quality, MIL Lamp on VIN: JN8AR05YXV
P0505: Idle Air Control, Auxiliary Air Control Valve Circuit Malfunction. ... between 688 and 713 rpm, drops with load. Scanned and found a p0505, 12v going to valve, open in orange wire going to pcm. Told cust of this and she disclosed that the vehicle was in a pretty severe front end accident. I repaired the wire, cleared code. Co...
October 05, 2004
1997 Infiniti J30 3.0L MIL Lamp on VIN: JNKAY21D2V
P0505: Idle Air Control, Auxiliary Air Control Valve. ... out. We have a 1997 Infiniti J30 that we can't seem to get rid of. It originally came in with a rough idle and no engine light. We diagnosed a faulty iac/aac valve and replaced it with new parts. The car ran great and we assumed all was fixed. The next day...
October 08, 2004
1996 Geo Metro LSi 1.3L bucking VIN: 2C1MR5294T
P0505: Idle Speed Control System. Just moved to an independent after years as a line tech. I agreed to swap trans as vehicle was hanging in bay. Engine was swapped by another tech several hundred miles ago and ran OK. Vehicle returned to me with cracked flexplate, customer supplied transmissio...
October 11, 2004
1996 Geo Metro LSi 1.3L bucking VIN: 2C1MR5294T
P0505: Idle Speed Control System. Just moved to an independent after years as a line tech. I agreed to swap trans as vehicle was hanging in bay. Engine was swapped by another tech several hundred miles ago and ran OK. Vehicle returned to me with cracked flexplate, customer supplied transmissio...
October 14, 2004
1997 Mitsubishi Galant ES 2.4L Poor Idle Quality VIN: 4A3AJ56G7V
P0505: Idle Speed Control System Malfunction. Car came in with idle hunting or surging. RPMs jump from 1000 to 1600. If you bring the idle up it does not jump. We tried disconnecting the iac and it still did the same thing. Then we tried disconnecting MAF sensor idle stopped jumping but idle was not smoot...
October 20, 2004
1997 Nissan Pathfinder LE 3.3L Poor Idle Quality, MIL Lamp on VIN: JN8AR05YXV
P0505: Idle Air Control, Auxiliary Air Control Valve Circuit Malfunction. ... between 688 and 713 rpm, drops with load. Scanned and found a p0505, 12v going to valve, open in orange wire going to pcm. Told cust of this and she disclosed that the vehicle was in a pretty severe front end accident. I repaired the wire, cleared code. Co...
October 20, 2004