Toyota Tacoma manuals

Toyota Tacoma (2015-2018) Service Manual: 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:

Data List / Active Test
DATA LIST / ACTIVE TEST 1. READ 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 sig ...

Traction Off Switch
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE ROOF CONSOLE BOX ASSEMBLY (See page ) 2. REMOVE A-TRAC SWITCH (TRACTION CONTROL SWITCH) (a) Disconnect the A-TRAC switch (traction control switch) connector. (b) Using a screwdriver, detach the 2 claws ...

4WD Control ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area 4WD Control ECU Communication Stop Mode Either condition is met: Communication stop for "Four Wheel Drive Control" is indicated on the "Communication Bus C ...

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