Toyota Tacoma (2015-2018) Service Manual: Rear Airbag Sensor(for Access Cab)

Front Occupant Classification Sensor LH Circuit Malfunction (B1780)

DESCRIPTION The occupant classification sensor front LH circuit consists of the occupant detection ECU and the occupant classification sensor front LH. DTC B1780 is set when a malfunction is detec ...

Components

COMPONENTS ILLUSTRATION ...

Other materials:

Removal
REMOVAL PROCEDURE 1. REMOVE NO. 1 ENGINE UNDER COVER SUB-ASSEMBLY 2. REMOVE FRONT EXHAUST PIPE ASSEMBLY (See page ) 3. REMOVE NO. 1 OIL COOLER INLET TUBE AND NO. 1 OIL COOLER OUTLET TUBE NOTICE: When disconnecting the hoses from the tube, support the tube by hand and be careful to prevent ...

System Description
SYSTEM DESCRIPTION 1. FRONT SEAT HEATER (a) By operating the seat heater switch on the air conditioning control assembly, the temperature can be controlled within the range of 36 to 42.2°C (96 to 108°F). (b) The on/off status and heater level of each seat heater are indicated by the respect ...

Inspection
INSPECTION PROCEDURE 1. INSPECT BRAKE BOOSTER PUMP ASSEMBLY (a) Connect the positive (+) lead from the battery to the red cable of the pump, and the negative (-) lead to the black cable. (b) Check the brake booster pump operation. OK: Operation sound is heard. ...