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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 B1273/73: Moon Roof 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 the communication stops between the moon roof ECU and body ECU No. 1. See Figure. There is no communication from the moon roof ECU for more than 10 seconds.

Trouble Area