INSTALLATION PROCEDURE 1. INSTALL EGR VALVE BRACKET
2. INSTALL NO. 3 EGR PIPE SUB-ASSEMBLY
3. INSTALL EGR INLET
4. INSTALL EGR VALVE ASSEMBLY
5. CONNECT NO. 13 WATER BY-PASS HOSE
6. CONNECT NO. 12 WATER BY-PASS HOSE
7. INSTALL AIR CLEANER HOSE ASSEMBLY 8. ADD ENGINE COOLANT 9. INSPECT FOR ENGINE COOLANT LEAK 10. INSTALL V-BANK COVER SUB-ASSEMBLY |
Toyota Tundra Service Manual > Touch Select 2-4 And High-low System: System Description
SYSTEM DESCRIPTION 1. DESCRIPTION A part-time 2-speed WF1AM transfer uses a touch select 2-4 and high-low system, enabling the driver to switch between 2WD, 4H and 4L modes by turning the transfer position switch. Through these switch signals, the 4 wheel drive control ECU actuates the shift motor i ...