To ensure safe and economical driving, day-to-day care and regular
maintenance are essential. It is the owner's responsibility to
perform regular checks. Toyota recommends the following maintenance:
General maintenance General maintenance should be performed on a daily basis. This can be done by yourself or by a Toyota dealer. Scheduled maintenance Scheduled maintenance should be performed at specified intervals according to the maintenance schedule. For details about maintenance items and schedules, refer to the "Scheduled Maintenance Guide" or "Owner's Manual Supplement". Do-it-yourself maintenance You can perform some maintenance procedures by yourself. Please be aware that do-it-yourself maintenance may affect warranty coverage. The use of Toyota Repair Manuals is recommended. For details about warranty coverage, see the separate "Owner's Warranty Information Booklet" or "Owner's Manual Supplement". ■Repair and replacement It is recommended that genuine Toyota parts be used for repairs to ensure performance of each system. If non-Toyota parts are used in replacement or if a repair shop other than a Toyota dealer performs repairs, confirm the warranty coverage. ■Resetting the message indicating maintenance is required (U.S.A. only) After the required maintenance is performed according to the maintenance schedule, please reset the message. To reset the message, follow the procedure described below: 1. Press "<" or ">" of meter control switches and select 2. Press " 3. Press " 4. Select the "YES" and press
■Allow inspection and repairs to be performed by a Toyota dealer
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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 ...