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Home >> Toyota >> 2004 >> Matrix XRS >> Repair and Diagnosis >> External Pages >> Different car >> Section 183 (Anti-Lock) >> Diagnostic Trouble Code Definitions >> DTC C1203 >> Testing Procedure

Testing Procedure

WARNING: This page is about a different car, the 2002 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

For wiring diagram, see Fig 1. For testing procedure, see Fig 2.

Fig 1: Wiring Diagram ECM Communication Circuit
G00195241Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Testing Procedure ECM Communication Circuit Malfunction
G00195242Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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