Operation CHARM: Car repair manuals for everyone.
Home >> Toyota >> 2007 >> Tundra 2WD V8-4.7L (2UZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Information Bus >> Testing and Inspection >> Component Tests and General Diagnostics >> LIN Communication System
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

LIN Communication System

Integration Control and Panel Assembly Communication Error

DESCRIPTION
The LIN communication of the components related to the mirror heater occurs between the air conditioning amplifier (A/C ECU) and integration control and panel.

Wiring Diagram:






Step 1-2:




Step 2 (Continued)-3:




INSPECTION PROCEDURE

NOTE: When using the intelligent tester or Techstream with the ignition switch OFF to troubleshoot: Connect the intelligent tester or Techstream to the vehicle, and turn a courtesy switch on and off at 1.5 second intervals until communication between the tester and vehicle begins.
pro multis · About Operation CHARM