Operation CHARM: Car repair manuals for everyone.

Communication Circuit

COMMUNICATION CIRCUIT

CIRCUIT DESCRIPTION

The power seat control system controls the storing and restoring of the adjustable pedal and power mirror position. During this operation, the store/restore operation signals are sent/received using serial communication.

If the front power seat switch (memory seat ECU and SW) meets the following conditions, it is determined that communication has been interrupted and the adjustable pedal restore operation will be cancelled.
- The adjustable pedal restore signal is not received for 0.5 seconds after the adjustable pedal restoration command signal is received.
- The adjustable pedal restore signal is not received for 2 seconds while power seat control is operating.

Wiring Diagram:






Step 1:




INSPECTION PROCEDURE