DISASSEMBLY PROCEDURE 1. REMOVE OIL PUMP RELIEF VALVE
(b) Remove the oil pump relief valve spring and oil pump relief valve from the valve hole. 2. REMOVE OIL PUMP COVER
3. REMOVE OIL PUMP ROTOR SET
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Power Steering System(for Gasoline Model): IG Power Supply Voltage (C1551)
DESCRIPTION When a malfunction is detected in the power source circuit, the fail-safe function suspends power assist. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition Note C1551 IG Power Supply Voltage When the PIG power supply voltage is normal ...