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

System Description

SYSTEM DESCRIPTION 1. FRONT PASSENGER OCCUPANT CLASSIFICATION SYSTEM (a) General Description (1) The front passenger occupant detection ECU determines whether the front passenger seat is occupied ...

Diagnosis System

DIAGNOSIS SYSTEM 1. CHECK DLC3 (a) The vehicle's ECU uses the ISO 9141-2 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 fo ...

Other materials:

Rear Power Outlet Switch
Components COMPONENTS ILLUSTRATION Inspection INSPECTION PROCEDURE 1. INSPECT MAIN SWITCH ASSEMBLY (a) Check the main switch assembly. (1) Measure the resistance according to the value(s) in the table below. Text in Illustration *a Com ...

Master Cylinder Pressure Sensor Zero Point High Malfunction (C1422,C1456)
DESCRIPTION Refer to DTCs C1421, C1423, C1424, C1455, C1457 and C1458 (See page ). DTC Code DTC Detection Condition Trouble Area C1422 When the stop light switch is off, the PM/C1 terminal voltage is 0.86 V or higher for 5 seconds ...

Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Powertrain / Radar Cruise 1*1 / Trouble Codes. (e) Enter the following menus: Powertrain / Radar Cruise 2*2 / Trouble Codes. (f) C ...