Lexus ES: System Diagram
SYSTEM DIAGRAM

Communication Table
Sender | Receiver | Signal | Line |
Main Body ECU (Multiplex Network Body ECU) | Outer Mirror Control ECU Assembly | -
IG signal
-
ACC signal
-
Outer mirror switch assembly signal
-
Mirror position request signal (memory and reactivation function)
-
Mirror position request signal (reverse shift-linked function)
| CAN |
Outer Mirror Control ECU Assembly | Main Body ECU (Multiplex Network Body ECU) | -
Outer mirror state signal
-
Seat memory switch signal
| CAN |
Certification ECU (Smart Key ECU Assembly) | Main Body ECU (Multiplex Network Body ECU) | Key ID signal | CAN |
Air Conditioning Amplifier Assembly | Outer Mirror Control ECU Assembly | Mirror heater drive request signal | CAN |
ECM | Main Body ECU (Multiplex Network Body ECU) | Reverse signal | CAN |
Rear Window Defogger switch (Air Conditioning Control Assembly) | Air Conditioning Amplifier Assembly | Mirror heater switch (rear window defogger switch) operation signal | LIN |
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CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the power mirror control system (w/ Memory).
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
CUSTOMIZE PARAMETERS CUSTOMIZE POWER MIRROR CONTROL SYSTEM (w/ Memory) NOTICE:
When the customer requests a change in a function, first make sure that the function can be customized.
Record the c
OPERATION CHECK CHECK ELECTRICAL REMOTE CONTROL MIRROR FUNCTION (a) Turn the engine switch on (IG). (b) b. With the mirror select switch driver side switch on, check that the outer rear view mirror as
SEE MORE:
DESCRIPTION The door control switch signal is sent to the luggage closer motor assembly. If the power trunk lid does not operate using the door control switch, a door control switch circuit malfunction is a possible cause. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: If the luggage closer motor a
DESCRIPTION This DTC is stored when the clearance warning ECU assembly receives a signal from the blind spot monitor system via CAN communication indicating a malfunction in the blind spot monitor sensor. DTC No. Detection Item DTC Detection Condition Trouble Area C1AF7 RCTB Sensor
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