Toyota Tacoma (2015-2018) Service Manual: Problem Symptoms Table

Toyota Tacoma (2015-2018) Service Manual / 2gr-fks Starting / Smart Key System(for Start Function) / 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 listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Inspect the fuses and relays related to the system before inspecting the suspected areas below.
If the problem occurs in certain locations or times of day, the possibility of wave interference is high.
If a malfunction occurred after optional components were installed at the dealer, check if there is wave interference from the components.

Smart Key System (for Start Function)

Symptom	Suspected Area	See page
Power source mode does not change to on (IG) or on (ACC)	Refer to "Power Source Mode does not Change to ON (IG and ACC)"
Power source mode does not change to on (IG)	Refer to "Power Source Mode does not Change to ON (IG)"
Power source mode does not change to on (ACC)	Refer to "Power Source Mode does not Change to ON (ACC)"
Engine does not start	Refer to "Engine does not Start"

Customize Parameters

CUSTOMIZE PARAMETERS PROCEDURE 1. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) HINT: The following items can be customized. NOTICE: When the customer requests a change in a function, ...

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 t ...

Other materials:

Terminals Of Ecu
TERMINALS OF ECU 1. TERMINAL INSPECTION Text in Illustration *a Component without harness connected (Steering Lock ECU (Steering Lock Actuator or UPR Bracket Assembly)) - - (a) Measure the voltage and resistance according to the value(s) i ...

Center Airbag Sensor Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Center Airbag Sensor Communication Stop Mode Either condition is met: Communication stop for "Airbag" is indicated on the "Communication Bus Check" sc ...

Data List / Active Test
DATA LIST / ACTIVE TEST 1. DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals ...