Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(d) Put the engine in Inspection Mode (Maintenance Mode).

Powertrain > Hybrid Control > Utility

Tester Display
Inspection Mode

(e) Check the PCV valve (ventilation valve sub-assembly) operation.

(1) Start the engine.

(2) Slide the clip and disconnect the No. 2 ventilation hose from the air cleaner hose assembly.

(3) Check that air is sucked into the No. 2 ventilation hose.

Standard:

Air is sucked into the No. 2 ventilation hose.

If the result is not as specified, replace the PCV valve (ventilation valve sub-assembly).

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Power Steering System(for Hv Model): Assist Map Number Un-Writing (C1581)
DESCRIPTION This DTC will be stored if the power steering ECU (rack and pinion power steering gear assembly) determines that the assist map is not written in the ECU. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition Note C1581 Assist Map Number ...

Toyota Avalon (XX50) 2019-2022 Owners Manual