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:

Steering Angle Sensor (C1A47)
DESCRIPTION The forward recognition camera receives steering angle information from the spiral cable with sensor sub-assembly. If the forward recognition camera detects a spiral cable with sensor sub-assembly, DTC C1A47 is stored. DTC No. Detection Item DTC Det ...

Components
COMPONENTS ILLUSTRATION *A w/ Front Spoiler - - *1 RADIATOR GRILLE *2 FRONT NO. 1 WHEEL OPENING EXTENSION PAD ILLUSTRATION *A w/o Over Fender - - ...

Diagnosis System
DIAGNOSIS SYSTEM 1. DESCRIPTION (a) When troubleshooting OBD II (On-Board Diagnostics) vehicles, an OBD II scan tool (complying with SAE J1978) must be connected to the DLC3 (Data Link Connector 3) of the vehicle. Various data in the vehicle ECM (Engine Control Module) can be then read. (b) ...