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:

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: If a problem occurs in certain locations or at certain times of day, check for the possibility of wave interference. When the electrical key transmitter sub-assembly is brought near the electrical key and TPMS receiver assembly (RF band), front outs ...

Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE TELEPHONE MICROPHONE ASSEMBLY Click here 2. REMOVE MICROPHONE CASE HINT: Use the same procedure for Double Cab. Click here 3. REMOVE NO. 1 ROOF WIRE (w/ Vanity Light) (a) w/ EC Mirror: (1) Remove the No. 1 roof wire. ...

Brake Switch "A" Circuit Open (P057113)
DESCRIPTION When the brakes are applied by the dynamic radar cruise control system, the skid control ECU (master cylinder solenoid)*1 or skid control ECU (brake actuator assembly)*2 operates the stop light switch assembly (stop light relay) to illuminate the stop lights. If the ECM receives ...

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