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Home >> Toyota >> 2004 >> Matrix Base, FWD, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 159 (Multiplex Communication System) >> Diagnostic Tests >> DTC B1211/11: Driver Door Ecu 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.

This DTC is output when communication stops between the driver door ECU and body ECU No. 1. See Fig 1. There is no communication from the driver door ECU for more than 10 seconds.

Trouble Area

Fig 1: Identifying Door System Communication Bus Circuit
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