DESCRIPTION If air does not flow from the front registers after the blower switch on the air conditioning control panel (radio and display receiver assembly) is operated, the following factors may be the cause.
PROCEDURE
(a) Turn off the AUTO switch, operate the blower switch and check that the blower motor with fan sub-assembly can be operated manually. OK: The blower motor with fan sub-assembly operates normally.
(a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Powertrain / Engine / Data List. (e) Read the Data List according to the display on the Techstream. Powertrain > Engine > Data List
OK: After warming up the engine, the temperature value displayed is within the range specified in the normal condition column.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Meter / Gauge System(for Gasoline Model): Engine Oil Pressure Switch Circuit
DESCRIPTION The combination meter assembly and engine oil pressure switch assembly are connected via direct line. The combination meter assembly determines the engine oil pressure based on the engine oil pressure switch ON/OFF signal. HINT: The combination meter assembly receives engine RPM data sig ...