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Toyota Tacoma (2015-2018) Service Manual / Multiplex Communication / Lin Communication System

Toyota Tacoma (2015-2018) Service Manual: Lin Communication System

  • Precaution
  • Parts Location
  • System Description
  • System Diagram
  • How To Proceed With Troubleshooting
  • Terminals Of Ecu
  • Data List / Active Test
  • Diagnosis System
  • Dtc Check / Clear
  • Communication Malfunction between ECUs Connected by LIN (B2785)
  • No Response from Steering Lock ECU (B2786)
  • Diagnostic Trouble Code Chart
  • Sliding Roof ECU Communication Stop (B1273)
  • Driver Side Door ECU Communication Stop (B2321)
  • LIN Communication Bus Malfunction (B2325)
  • P/W Master Switch Communication Stop (B1206)
  • Lost Communication with Power Source Control (B278C)
  • Front Passenger Side Door ECU Communication Stop (B2322)
Multiplex Communication
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Precaution
PRECAUTION 1. EXPRESSIONS OF IGNITION SWITCH HINT: The type of ignition switch used on this model differs according to the specifications of the vehicle. The expressions listed in the table below ...

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Operation Check
OPERATION CHECK 1. MALFUNCTION DISPLAY (MULTI-INFORMATION DISPLAY) (a) Open circuit indication (1) If there is an open circuit between a No. 1 ultrasonic sensor and the clearance warning ECU assembly or a sensor is malfunctioning, the malfunction is displayed as shown in the illustration. ...

Removal
REMOVAL PROCEDURE 1. REMOVE LOWER STEERING COLUMN COVER 2. REMOVE UPPER STEERING COLUMN COVER 3. REMOVE WINDSHIELD WIPER SWITCH ASSEMBLY (a) Disconnect the 2 connectors. Text in Illustration *a Protective Tape ...

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (a) Disconnect the A36 air conditioning amplifier assembly connector. (b) Measure the voltage and resistance according to the value(s) in the table below. HINT: Measure the values on the wire harness side with the connector disco ...

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