Contents Wiring diagrams Section: Exterior/interior Trim All sections

Interior: Other Lexus LS IV

Exterior/interior Trim 7 illustrations ~467 words

PRECAUTION

  1. NOTICE FOR INITIALIZATION NOTE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. SYSTEM REFERENCE System Name See procedure Navigation System (for DVD) «INITIALIZATION»(ref-349706-S07943075812009120800000) Advanced Parking Guidance System Power Trunk Lid System Rear Door Sunshade System

Scheme 206

Scheme 206: PARTS LOCATION

Scheme 207

Scheme 207

Scheme 208

Scheme 208

Scheme 209

Scheme 209: SYSTEM DIAGRAM

Communication table

SenderReceiverSignalLine
ECMMain body ECUShift position switch signalCAN
Main body ECURear junction block ECUReverse position signalCAN
Combination meterRear junction block ECUVehicle speed signalCAN
No. 1 console switchRear junction block ECURear sunshade switch signalLIN - CAN
Curtain switch*1Rear junction block ECURear sunshade switch signalCAN
Rear power seat module switch*2Rear junction block ECURear sunshade switch signalCAN

COMMUNICATION REFERENCE

CUSTOMIZE PARAMETERS

  1. CUSTOMIZING FUNCTION WITH TECHSTREAM (REFERENCE) NOTE: When the customer requests a change in a function, first make sure that the function can be customized. Be sure to make a note of the current settings before customizing. When troubleshooting a function, first make sure that the function is set to the default setting. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Customize Setting / Select the setting by referring to the table below. Others SYSTEM REFERENCE System Default Contents Setting Rear Shade Delay Time 0.7 s Function to adjust reverse-linked sunshade lowering function's response time 0.7s/1.2s/0.9s/0.0s R-pos to Rear Sun Shade COM ON Reverse linked function ON or OFF
  1. NOTICE FOR INITIALIZATION NOTE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. SYSTEM REFERENCE System Name See procedure Navigation System (for DVD) «INITIALIZATION»(ref-349706-S07943075812009120800000) Advanced Parking Guidance System Power Trunk Lid System Rear Door Sunshade System
  2. PRECAUTIONS WHEN USING TECHSTREAM When using the Techstream with the engine switch off to troubleshoot: Connect the Techstream to the vehicle, and turn a courtesy light switch on and off at 1.5 second intervals until communication between the tester and vehicle begins. After all DTCs are cleared, check if the trouble occurs again 6 seconds after the engine switch is turned on (IG).

Scheme 210

Scheme 210: PARTS LOCATION

Scheme 211

Scheme 211

Scheme 212

Scheme 212: SYSTEM DIAGRAM

Communication Table

SenderReceiverSignalLine
Combination switch (Rear door sunshade switch)Rear door ECU LHRear door sunshade switch signalLIN - CAN
Combination switch (Rear door sunshade switch)Rear door ECU RHRear door sunshade switch signalLIN - CAN
Rear power seat module switch (Rear door sunshade switch)Rear door ECU LHRear door sunshade switch signalCAN
Rear power seat module switch (Rear door sunshade switch)Rear door ECU RHRear door sunshade switch signalCAN
Rear power window regulator motor LHRear door ECU LHWindow position signalLIN - CAN
Rear power window regulator motor RHRear door ECU RHWindow position signalLIN - CAN
Rear door ECU LHNo. 1 Console SwitchDoor sunshade open/close status signalCAN - LIN
Rear door ECU RHNo. 1 Console SwitchDoor sunshade open/close status signalCAN - LIN

COMMUNICATION REFERENCE

INITIALIZATION

  1. RESET REAR DOOR SUNSHADE SYSTEM NOTE: The rear curtain position reset operation must be performed when one of the following occurs: 1) battery removal and installation; 2) ECU reset; or 3) jam protection related detachment. Turn the engine switch on. Push the front or rear switch's rear door sunshade switch. HINT: The motor must be moved in the lowering direction. Push the front or rear switch's rear door sunshade switch. HINT: Make sure that the rear curtain raises.
  2. RESET REAR DOOR SUNSHADE POSITION AFTER DETACHMENT NOTE: If the curtain is operating and detaches as a result of the jam protection function, the motor must be operated in the raise direction in order to return it to normal. If the motor is not returned to normal, the cover may not close properly during the lowering operation. After the rear curtain stops at the fully raised position, continue holding the switch for 5 seconds. Stopped --> Raising --> Stopped at fully raised position --> 5 sec.