INSPECTION PROCEDURE 1. INSPECT AIR SWITCHING VALVE ASSEMBLY
![]() (b) Check the operation of the air switching valve assembly. (1) Check that air does not flow from port A to port B. Text in Illustration
NOTICE: Make sure the applied pressure is 30 kPa (0.3 kgf/cm2, 4.4 psi) or less. If the result is not as specified, replace the air switching valve assembly. ![]() (2) Apply battery voltage across terminals 1 and 5. Text in Illustration
NOTICE: When applying voltage, do not touch terminals 2, 3 or 4. (3) Check that air flows from port A to port B. If the result is not as specified, replace the air switching valve assembly. |
Toyota Tundra Service Manual > Air Conditioning System(for Automatic Air Conditioning System): Solar Sensor Circuit (Driver Side) (B1424/24)
DESCRIPTION The solar sensor, which is installed on the upper side of the instrument panel, detects sunlight and controls the air conditioning in AUTO mode. The output current from the solar sensor varies according to the amount of sunlight. When the sunlight increases, the output current increases. ...