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OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (ECM - STOP LIGHT DTC P0505 IDLE CONTROL SYSTEM MALFUNCTION DESCRIPTION The idling speed is controlled by the ETCS (Electronic Throttle Control System). The ETCS is comprised of: 1) DTC DETECTION CONDITION AND TROUBLE AREA REFERENCE CHART MONITOR DESCRIPTION The ECM monitors the idling speed and idling air flow volume to conduct Idle Speed Control (ISC). The ECM The learned idling air flow volume remains at the maximum or minimum volume for 5 seconds during a While driving at 10 km/h (6.25 mph) or more, the actual engine idling speed varies from the target idling Example: If the actual idling speed varies from the target idling speed by more than 150 RPM* 5 times during a drive HINT: *: Threshold idling speed varies with engine load. DTC DTC Detection Condition Trouble Area P0505 Idling speed continues to vary ETCS Air induction system PCV hose connections ECM
2009 Toyota Tundra 2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra
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