Toyota Workshop Service and Repair Manuals > Celica GT L4-1.8L (1ZZ-FE) (2001) > Powertrain Management | Computers and Control Systems | Relays and Modules - Computers and Control Systems | Body Control Module | Component Information | Testing and Inspection | Initial Inspection and Diagnostic Overview

Page 32

Steps 1 - 2

INSPECTION PROCEDURE

Multiplex Communication Circuit

CIRCUIT DESCRIPTION

Signals are transmitted between the ECM and combination meter through the communication circuit.

Toyota Workshop Service and Repair Manuals