Toyota Tacoma (2015-2018) Service Manual: Diagnostic Trouble Code Chart

Toyota Tacoma (2015-2018) Service Manual / Door Lock / Smart Key System(for Entry Function) / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Smart Key System

DTC Code	Detection Item	See page
B27A1	Open in Driver Side Electrical Antenna Circuit
B27A5	Open in Front Floor Electrical Key Oscillator Circuit
B27A6	Open in Rear Floor Electrical Key Oscillator Circuit

Terminals Of Ecu

TERMINALS OF ECU 1. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (a) Disconnect the C27 and C29 certification ECU (smart key ECU assembly) connectors. (b) Measure the voltage and resistance a ...

Dtc Check / Clear

DTC CHECK / CLEAR 1. CHECK FOR DTC HINT: 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 s ...

Other materials:

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Troubleshooting of the theft deterrent system is based on the premise that the power door lock control system, wireless door lock control system*1 and smart key system*2 are operating normally. Accordingly, before troubleshooting the theft deterrent ...

Wireless remote control battery
Replace the battery with a new one if it is discharged. ■ You will need the following items: Lithium battery CR2032 ■ Replacing the battery Remove the cover using a coin protected with tape etc. Remove the discharged transmitter battery. Insert a new battery with the “+” te ...

Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT HINT: Use the same procedure for both the LH and RH sides. The procedure described below is for the LH side. PROCEDURE 1. REMOVE FOG LIGHT BULB (a) Turn the fog light bulb in the direction indicated by the arrow in the illust ...