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:

Diagnosis System
DIAGNOSIS SYSTEM 1. CHECK DLC3 (a) The vehicle ECUs use ISO 15765-4 communication protocol. The terminal arrangement of the DLC3 complies with ISO 15031-3 and matches the ISO 15765-4 format. Terminals No. (Symbols) Terminal Description Condition Spe ...

Dtc Check / Clear
DTC CHECK / CLEAR 1. DTC CHECK HINT: When DTC B1650/23 is detected as a result of troubleshooting for the airbag system, troubleshoot the occupant classification system. Use the Techstream to read and clear DTCs, otherwise the DTCs cannot be read and cleared. (a) Check ...

IG Supply Voltage Low (C120B)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area C120B IG Supply Voltage Low Master cylinder pressure sensor power supply voltage decrease occurs or history of voltage decrease exists, and ...