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:

Speedometer Malfunction
DESCRIPTION The meter CPU receives vehicle speed signals from the skid control ECU via the CAN communication system (CAN V1 Bus). The speed sensor detects the wheel speed and sends the appropriate signals to the skid control ECU. The skid control ECU supplies power to the vehicle speed sensor ...

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT RADIATOR CAP SUB-ASSEMBLY CAUTION: Do not remove the radiator cap sub-assembly while the engine and radiator assembly are still hot. Pressurized, hot engine coolant and steam may be released and cause serious burns. (a) Measure the valve opening pr ...

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 ...