Toyota Tundra Service Manual: Removal

REMOVAL

PROCEDURE

1. DISCONNECT NO. 2 AIR HOSE

(a) Disconnect the air switching valve assembly connector.

(b) Slide the clamp and disconnect the No. 2 air hose.

2. REMOVE AIR SWITCHING VALVE ASSEMBLY

(a) Remove the bolt and disconnect the wire harness clamp bracket from the cylinder head cover.

(b) Remove the 2 bolts.

NOTICE:

Be careful not to damage the installation surface of the gaskets.

Toyota Tundra Service Manual > Touch Select 2-4 And High-low System: Automatic Disconnecting Differential Motor Limit Switch Circuit (P17A4)
DESCRIPTION When the A.D.D. actuator is switching between 2WD and 4WD, the DL1 and DL2 terminals of the limit switch are in one of the ON/OFF combinations listed in the table below. Terminal In 2WD Switching between 2WD and 4WD In 4WD DL1 OFF (OPEN) ON (GND) ON (GND) DL2 ON (GND) ON (GND) OFF (OPEN) ...

Toyota Tundra Owners Manual