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:

Tailgate
The tailgate can be opened. Pull the handle Open the tailgate slowly The support cables will hold the tailgate horizontal. After closing the tailgate, try pulling it toward you to make sure it is securely locked. Removing the tailgate ■ Before removing the tailgate (vehicles with r ...

Mechanical System Tests
MECHANICAL SYSTEM TESTS 1. STALL SPEED TEST HINT: This test is to check the overall performance of the engine and transmission. CAUTION: This test should be done on a paved surface (a surface that is not slippery). To ensure safety, perform this test in an open and level area tha ...

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 seconds or less until communication between the Techstream and the vehicle begins. Then select th ...