LS 600h V8-5.0L (2UR-FSE) Hybrid (2008)
(a) Disconnect the r3 curtain switch connector.
(b) Disconnect the B power seat module switch connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
5. CHECK CURTAIN SWITCH ASSEMBLY (OPERATION)
(a) Temporarily replace the curtain switch with a new or normally functioning one See: Body and Frame/Seats/Seat Heater Switch/Service and
Repair/Seat Climate Control Switch (for Rear Side)/Removal.
(b) Check that the curtain can be raised or lowered by using the curtain switch.
OK:
Curtain can be raised or lowered with curtain switch.
Result
C -- REPLACE REAR POWER SEAT MODULE SWITCH
B -- REPLACE REAR POWER SEAT MODULE SWITCH
A -- END (CURTAIN SWITCH IS DEFECTIVE)
6. READ VALUE USING INTELLIGENT TESTER OR TECHSTREAM (REAR DOOR SUNSHADE SWITCH)
(a) Select the item below in the Data List, and read its value displayed on the intelligent tester or Techstream to check the rear door sunshade
switch.
(1) Intelligent tester
REAR CONSOLE