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 > Lighting System: Terminals Of Ecu
TERMINALS OF ECU *1 Main Body ECU (Multiplex Network Body ECU) - - CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY, MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (a) Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly. Click here (b) Connect the driver side junc ...