General Maintenance GENERAL MAINTENANCE PROCEDURE 1. TIGHTEN BOLTS AND NUTS ON CHASSIS AND BODY (a) Where necessary, tighten all the parts of the chassis.
(b) Where necessary, tighten all the parts of the body.
2. INSPECT TIRE AND INFLATION PRESSURE (Except North America) (a) Inspect the tires for wear and proper inflation pressure (See page
3. INSPECT LIGHTS, HORN, WIPERS AND WASHERS (Except North America) 4. CLEAN OR REPLACE AIR CONDITIONING FILTER (a) Remove the glove compartment assembly. (b) Remove the air conditioning filter. (c) Visually inspect the surface of the air conditioning filter. (d) If the air conditioning filter is contaminated with foreign matter, clean or replace it according to the maintenance schedule. NOTICE: Some filters are not able to be cleaned. 5. INSPECT REFRIGERANT AMOUNT FOR AIR CONDITIONER (Except North America) (a) Check the refrigerant pressure.
6. FINAL INSPECTION (a) Check the operation of the body parts. (1) Hood
(2) Front and rear doors
(3) Tail gate door
(4) Seats
(5) Be sure to deliver a clean vehicle. Especially check:
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Toyota Tundra Service Manual > Airbag System: Seat Position Airbag Sensor Circuit Malfunction (B1653)
DESCRIPTION The seat position airbag sensor circuit consists of the airbag sensor assembly and seat position airbag sensor. DTC B1653 is stored when a malfunction is detected in the seat position airbag sensor circuit. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test ...