FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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B2621

DTC B2621 COMMUNICATION INTERRUPTION

CIRCUIT DESCRIPTION

Detection Item:




The multiplex tilt & telescopic ECU forms a network with the ECUs of other systems through the communication bus. Each ECU informs the other ECUs that it connects to the network with by outputting a specified signal (periodical signal) onto the communication bus on a regular schedule. The multiplex tilt & telescopic ECU detects the connection of each ECU based on the signal.

Wiring Diagram:




Wiring Diagram:






Step 1:




Step 2 - 4:




INSPECTION PROCEDURE