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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 418 (Multiplex Communication System - Diagnosis) >> DTC B1211: Driver Door Ecu Communication Stop >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.

DTC B1211 will be output when the communication between the power window regulator master switch assy (driver door ECU) and driver side J/B (body ECU) stops for more than 10 seconds.

Fig 1: DTC - B1211 Trouble Shooting Chart
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