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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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Open Circuit in IG1/IG2 Power Source Circuit (C1242)
DESCRIPTION If there is a problem with the skid control ECU (master cylinder solenoid) power supply circuit, the skid control ECU outputs the DTC and prohibits operation under the fail safe function. If the voltage supplied to terminal IG1 and/or IG2 is not within the DTC detection threshold ...

Precaution
PRECAUTION IGNITION SWITCH EXPRESSIONS (a) The type of ignition switch used on this model differs according to the specifications of the vehicle. The expressions listed in the table below are used in this section. Expression Ignition Switch (Position) Engine Swi ...

Removal
REMOVAL PROCEDURE 1. REMOVE NO. 2 ENGINE UNDER COVER SUB-ASSEMBLY (w/ Off Road Package) 2. REMOVE NO. 1 ENGINE UNDER COVER SUB-ASSEMBLY 3. DRAIN ENGINE COOLANT 4. REMOVE RADIATOR GRILLE (See page ) 5. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY RH (See page ) 6. REMOVE NO. 2 OIL COOLER INLET ...

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