lexus Workshop Repair Guides

Lexus Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 3875 > < Initial Inspection and Diagnostic Overview|Page 3873
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Standard resistance:

except 4-Paasnger with Ottoman
for 4-Paasnger with Ottoman

NG --  REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

6. CHECK SEAT VIBRATOR SWITCH (OPERATION)

(a) Replace the seat vibrator switch with a new or normally operating one. Perform an operation inspection.

OK:

Seat vibrator operates normally.

NG --  REPLACE SEAT VIBRATOR MODULE ASSEMBLY  See: Body and Frame/Seats/Service and Repair/Overhaul/Rear Seat
Assembly (For Ottoman)/Disassembly

OK --  END (SEAT VIBRATOR SWITCH IS DEFECTIVE)

Rear Heater Control Panel LIN Communication Malfunction

MULTIPLEX COMMUNICATION: LIN COMMUNICATION SYSTEM: Rear Heater Control Panel LIN Communication Malfunction
 - Rear Heater Control Panel LIN Communication Malfunction

DESCRIPTION

The LIN communication of the components related to the rear heater occurs between the air conditioning amplifier and rear power sear module switch.

HINT
For vehicles with rear cooler unit only.

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE:
When using the Techstream with the engine switch off to troubleshoot:

Initial Inspection and Diagnostic Overview|Page 3875 > < Initial Inspection and Diagnostic Overview|Page 3873