INSTALLATION PROCEDURE 1. INSTALL AIR CONDITIONING CONTROL ASSEMBLY (HAZARD WARNING SWITCH) 
(a) Attach the 3 clips to connect the air conditioning control assembly (hazard warning switch) and center lower instrument panel finish panel. Text in Illustration
(b) Put protective tape around the air conditioning control assembly (hazard warning switch). (c) Connect each connector. (d) Attach the 8 clips, 2 claws and guide to install the air conditioning control assembly (hazard warning switch) with the center lower instrument panel finish panel.  Text in Illustration
2. INSTALL CENTER LOWER INSTRUMENT COVER (for Column Shift Type)
3. INSTALL FRONT CONSOLE BOX (for Floor Shift Type)
4. INSTALL REAR CONSOLE BOX ASSEMBLY (for Floor Shift Type)
5. INSTALL CONSOLE BOX CARPET (for Floor Shift Type)
6. INSTALL REAR CONSOLE END PANEL SUB-ASSEMBLY (for Floor Shift Type)
7. INSTALL UPPER CONSOLE PANEL SUB-ASSEMBLY (for Floor Shift Type)
8. INSTALL UPPER REAR CONSOLE PANEL SUB-ASSEMBLY (for Floor Shift Type)
9. INSTALL SHIFT LEVER KNOB SUB-ASSEMBLY (for Floor Shift Type)
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Toyota Tundra Service Manual > Occupant Classification System: Front Occupant Classification Sensor LH Collision Detection (B1785)
DESCRIPTION DTC B1785 is set when the occupant classification ECU receives a collision detection signal, which is sent by the front occupant detection sensor LH when an accident occurs. DTC B1785 is also set when the front seat frame with adjuster RH is subjected to a strong impact, even if an actua ...
