Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Diagnosis System

DIAGNOSIS SYSTEM

1. DESCRIPTION

(a) Smart key system (for start function) data and the Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.

2. CHECK DLC3

(a) Check the DLC3 (See page 3. INSPECT BATTERY VOLTAGE ).

3. INSPECT BATTERY VOLTAGE

(a) Measure the battery voltage.

Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery.

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are lis ...

Dtc Check / Clear
DTC CHECK / CLEAR NOTICE: When using the Techstream with the engine switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less ...

Other materials:

Brake Switch "A" Circuit Open (P057113)
DESCRIPTION When the brakes are applied by the dynamic radar cruise control system, the skid control ECU (master cylinder solenoid)*1 or skid control ECU (brake actuator assembly)*2 operates the stop light switch assembly (stop light relay) to illuminate the stop lights. If the ECM receives ...

Installation
INSTALLATION PROCEDURE 1. INSTALL OIL COOLER TUBE (a) Install the oil cooler tube to the vehicle body with the 2 bolts. Torque: 28 N·m {286 kgf·cm, 21 ft·lbf} 2. INSTALL NO. 4 OIL COOLER INLET HOSE AND NO. 4 OIL COOLER OUTLET HOSE NOTICE: When connecting the hoses to the tube, su ...

Occupant Classification System Malfunction (B1650/32)
DESCRIPTION The occupant classification system circuit consists of the airbag sensor assembly and the occupant classification system. When the airbag sensor assembly receives signals from the occupant detection ECU, it determines whether or not the instrument panel passenger without door airba ...

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