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 > Navigation System: Navigation Voice Circuit
DESCRIPTION This circuit is used when the voice guidance in the navigation system is on or an incoming cellular phone voice in the "Bluetooth" hands-free system is heard. Using this circuit, the navigation receiver assembly sends the signals to the stereo component amplifier assembly. WIRING DIAGRAM ...