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:

Short in Front Passenger Side Squib 2nd Step Circuit (B1815/54-B1818/54)
DESCRIPTION The front passenger side squib 2nd step circuit consists of the airbag sensor assembly and the instrument panel passenger without door airbag assembly. The circuit signals the SRS to deploy when airbag deployment conditions are met. These DTCs are set when a malfunction is detected ...

Precaution
PRECAUTION IGNITION SWITCH EXPRESSIONS (a) The type of ignition switch used on this model differs according to the specifications of the vehicle. The expressions listed in the table below are used in this section. Expression Ignition Switch (Position) Engine Swi ...

Open in Bus 3 Main Bus Line
DESCRIPTION There may be an open circuit in one of the CAN main bus lines when the resistance between terminals 6 (CA3H) and 21 (CA3L) of the central gateway ECU (network gateway ECU) is 70 Ω or higher. Detection Item Trouble Area Resistance between term ...