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Home >> Toyota >> 2004 >> Matrix Base, FWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 159 (Multiplex Communication System) >> Diagnostic Tests >> DTC B1261/61: ECM Communication Stopped >> Circuit Description
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Circuit Description

WARNING: This page is about a different car, the 2003 Lexus GS 430, 2003 Lexus GS 300, 2002 Lexus GS 430, and 2002 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.

The DTC is output when communication stops between the ECM (engine control module) and the body ECU No. 1. See Figure. There is no communication from the ECM for more than 10 seconds.

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