Toyota Tacoma (2015-2018) Service Manual: System Diagram

Precaution

PRECAUTION 1. EXPRESSIONS OF IGNITION SWITCH The type of ignition switch used on this model differs depending on the specifications of the vehicle. The expressions listed in the table below are us ...

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use this procedure to troubleshoot the seat heater system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP ...

Other materials:

Stop Light Switch OFF Stuck Malfunction (C1426)
DESCRIPTION The skid control ECU (brake actuator assembly) inputs the stop light signal and brake operation condition. When the brake pedal is depressed and the stop light switch signal is not input, C1426 is output. DTC No. Detection Item DTC Detection Conditi ...

Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid (B279986)
DESCRIPTION When there are communication malfunctions between the ECM and certification ECU (smart key ECU assembly), or when the communication ID codes do not match, the ECM stores this DTC. DTC Code DTC Detection Condition Trouble Area DTC Output C ...

All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch or Door Key Cylinder
DESCRIPTION The main body ECU (multiplex network body ECU) receives switch signals from the power window regulator master switch assembly and driver door key cylinder lock or unlock switch signals from the front door lock assembly. The main body ECU (multiplex network body ECU) activates the ...