Lexus ES: System Diagram
SYSTEM DIAGRAM
Communication Table | Sender | Receiver | Signal | Line |
|---|---|---|---|
| Main Body ECU (Multiplex Network Body ECU) | Outer Mirror Control ECU Assembly |
| CAN |
| Outer Mirror Control ECU Assembly | Main Body ECU (Multiplex Network Body ECU) |
| 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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How To Proceed With Troubleshooting
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 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
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:
Remote Up / Down Function does not Operate
DESCRIPTION When the power switch on (IG), the multiplex network master switch assembly sends remote up and down signals to each power window regulator motor assembly via LIN communication. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
The power window control system uses the LIN communication
Cornering Light Circuit
DESCRIPTION The headlight ECU sub-assembly controls the cornering lights. WIRING DIAGRAM except Bulb Type Turn Signal Light (for TMMK Made) for Bulb Type Turn Signal Light (for TMMK Made) CAUTION / NOTICE / HINT NOTICE:
If the headlight ECU sub-assembly LH has been replaced, it is necessary to
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