INSPECTION PROCEDURE 1. INSPECT WATER INLET WITH THERMOSTAT SUB-ASSEMBLY CAUTION:
HINT: The valve opening temperature is inscribed on the water inlet with thermostat sub-assembly. (a) Immerse the water inlet with thermostat sub-assembly in water and then gradually heat the water. NOTICE: Do not allow any water to come into contact with the connector of the water inlet with thermostat sub-assembly. (b) Check that the valve of the water inlet with thermostat sub-assembly opens at the specified temperature. Standard Valve Opening Temperature: 80 to 84°C (176 to 183°F) If the result is not as specified, replace the water inlet with thermostat sub-assembly.
(d) Check that the valve is fully closed when the water inlet with thermostat sub-assembly is at low temperatures (below 72°C (162°F)). If it is not fully closed, replace the water inlet with thermostat sub-assembly. (e) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the result is not as specified, replace the water inlet with thermostat sub-assembly. |
Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Audio And Visual System(for Gasoline Model): Voice Recognition Microphone Disconnected (B1579)
DESCRIPTION The radio and display receiver assembly, roof console box sub-assembly and telephone microphone assembly are connected to each other using the microphone connection detection signal lines. This DTC is stored when a microphone connection detection signal line is disconnected. DTC No. Dete ...