DESCRIPTION Refer to DTC P052477. Click here
MONITOR DESCRIPTION This DTC is designed to detect an open or short in the oil pressure control valve assembly circuit. If the oil pressure control valve duty-cycle is excessively high or low while the power switch is on (IG) or the engine is running, the ECM will store this DTC. CONFIRMATION DRIVING PATTERN
WIRING DIAGRAM ![]() CAUTION / NOTICE / HINT NOTICE:
HINT: Read Freeze Frame Data using the Techstream. The ECM records vehicle and driving condition information as Freeze Frame Data the moment a DTC is stored. When troubleshooting, Freeze Frame Data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred. PROCEDURE
(a) Inspect the oil pressure control valve assembly. Click here
(a) Disconnect the oil pressure control valve assembly connector. (b) Disconnect the ECM connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Sfi System: Throttle/Pedal Position Sensor "A" Minimum Stop Performance (P210900)
DESCRIPTION The idle speed is controlled by the Electronic Throttle Control System (ETCS). The ETCS is comprised of a throttle actuator, which operates the throttle valve, and a throttle position sensor, which detects the opening amount of the throttle valve. The ECM controls the throttle actuator t ...