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 .gif)
).
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:
Fuel information
Your vehicle must use only unleaded gasoline.
Select octane rating 87 (Research Octane Number 91) or higher. Use of unleaded
gasoline with an octane rating lower than 87 may result in engine knocking. Persistent
knocking can lead to engine damage.
At minimum, the gasoline you use should meet t ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL AIR CONDITIONER PRESSURE SENSOR
(a) Remove the vinyl tape from the air conditioner tube and accessory assembly
and connecting part of the air conditioner pressure sensor.
(b) Apply sufficiently compressor oil to a new O-ring and fitting surface of
the air co ...
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSION
(a) 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 used in this section.
Expression
Ignition Switch (Position)
Engine ...