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 |
Hybrid Vehicle Control ECU | 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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SYSTEM DESCRIPTION POWER MIRROR CONTROL SYSTEM (w/ Memory) DESCRIPTION (a) This system has the following functions: electrical remote control mirror function, memory and reactivation function, power r
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
OPERATION CHECK CHECK ELECTRICAL REMOTE CONTROL MIRROR FUNCTION (a) Turn the power switch on (IG). (b) b. With the mirror select switch driver side switch on, check that the outer rear view mirror ass
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OPERATION CHECK DCM OPERATION HISTORY HINT:
This function shows the telematics network status when the DCM (telematics transceiver) was operated. Use this when no DTC is present but this telematics system was unable to connect to the call center. This symptom may occur if cell phone signal streng
DTC CHECK / CLEAR CHECK DTC (CHECK USING TECHSTREAM) (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG) and wait for 90 seconds. (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Navigation System / Trouble Codes. Body Electrical > Navigation Syst
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