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
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FREEZE FRAME DATA FREEZE FRAME DATA HINT: The hybrid vehicle control ECU records vehicle and driving condition information as freeze frame data the moment a DTC is stored. It can be used for estimating or duplicating the vehicle conditions that were present when the malfunction occurred. (a) Connect
TERMINALS OF ECU CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (a) Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly. Click here (b) Measure the resistance according to the value(s) in the table
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