Toyota Tacoma (2015-2018) Service Manual: Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) The transponder key ECU assembly controls the engine immobiliser system. The engine immobiliser system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3).
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.
Registration
REGISTRATION
PROCEDURE
1. DESCRIPTION OF CODE REGISTRATION
(a) w/ Wireless Door Lock Control System:
The key has 2 codes: the key code (immobiliser code) and the wireless code. Both
of these cod ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK FOR TRANSPONDER KEY ECU ASSEMBLY DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following men ...
Other materials:
Cruise Control Switch Circuit
DESCRIPTION
The cruise control main switch is used to turn the dynamic radar cruise control
system on and off, as well as operate 7 functions: SET, - (COAST), TAP-DOWN, RES
(RESUME), + (ACCEL), TAP-UP and CANCEL.
The SET, TAP-DOWN and - (COAST) functions, and the RES (RESUME), TAP-UP and +
( ...
Short in Driver Side Knee Airbag Squib Circuit (B1860/64-B1863/64)
DESCRIPTION
The driver side knee airbag squib circuit consists of the airbag sensor assembly
and lower No. 1 instrument panel airbag assembly.
The airbag sensor assembly uses this circuit to deploy the airbag when deployment
conditions are met.
These DTCs are stored when a malfunction is dete ...
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 sy ...
