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:

Differential Oil
Adjustment ADJUSTMENT PROCEDURE 1. INSPECT DIFFERENTIAL OIL (a) Stop the vehicle on a level place. (b) Remove the differential filler plug and gasket. (c) Check that the oil level is within 5 mm (0 to 0.20 in.) of the bottom of the filler plug opening. NOTICE: Excessively large ...

Pressure Control Solenoid "C" Electrical (Shift Solenoid Valve SL3) (P0798)
DESCRIPTION Changing from 1st to 6th is performed by the ECM turning shift solenoid valves SL1, SL2, SL3 and SL4 on and off. If an open or short circuit occurs in any of the shift solenoid valves, the ECM controls the remaining normal shift solenoid valves to allow the vehicle to be operated ...

Starter Relay Circuit Short to Battery (P061512)
DESCRIPTION While the engine is being cranked, positive battery voltage is applied to terminal STA of the ECM. If the ECM detects the starter control (STA) signal while the vehicle is being driven, it determines that there is a malfunction in the STA circuit. The ECM then illuminates the MIL ...