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Home >> Lexus >> 2006 >> LS 430 >> Repair and Diagnosis >> Body & Frame >> Seats >> Rear Power Seat Control System - Diagnostics >> Rear Seat Control Switch Circuit >> Inspection Procedure
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Inspection Procedure

  1. READ VALUE OF HAND-HELD TESTER 
    1. Connect the hand-held tester (with CAN VIM) to the DLC3.
    2. Turn the ignition switch ON and push the hand-held tester main switch ON.
    3. Select the item below in the DATA LIST and read the displays on the hand-held tester.

    Rear seat control switch: 

    REAR SEAT CONTROL SWITCH - DATA LIST

    Item Measurement Item/ Display (Range) Normal Condition
    RR SLIDE SW Fr Rear RH seat sliding switch signal (Forward)/ ON or OFF ON: Rear RH seat sliding switch (Forward) is ON OFF: Rear RH seat sliding switch (Forward) is OFF
    RR SLIDE SW Rr Rear RH seat sliding switch signal (Rearward)/ ON or OFF ON: Rear RH seat sliding switch (Rearward) is ON OFF: Rear RH seat sliding switch (Rearward) is OFF
    RRHDRSTSWUP Rear RH headrest switch signal (Upward)/ ON or OFF ON: Rear RH headrest switch (Upward) is ON OFF: Rear RH headrest switch(Upward) is OFF
    RRHDRSTSWDWN Rear RH headrest switch signal (Downward)/ ON or OFF ON: Rear RH headrest switch (Downward) is ON OFF: Rear RH headrest switch(Downward) is OFF
    RR REF START SW Rear RH refreshing seat switch signal (START)/ ON or OFF ON: Rear RH refreshing seat switch (START) is ON OFF: Rear RH refreshing seat switch (START) is OFF
    RR REF STOP SW Rear RH refreshing seat switch signal (STOP)/ ON or OFF ON: Rear RH refreshing seat switch (STOP) is ON OFF: Rear RH refreshing seat switch (STOP) is OFF
    RL SLIDE SW Fr Rear LH seat sliding switch signal (Forward)/ ON or OFF ON: Rear LH seat sliding switch (Forward) is ON OFF: Rear LH seat sliding switch (Forward) is OFF
    RL SLIDE SW Rr Rear LH seat sliding switch signal (Rearward)/ ON or OFF ON: Rear LH seat sliding switch (Rearward) is ON OFF: Rear LH seat sliding switch (Rearward) is OFF
    RL HDRST SW UP Rear LH headrest switch signal (Upward)/ ON or OFF ON: Rear LH headrest switch (Upward) is ON OFF: Rear LH headrest switch (Upward) is OFF
    RL HDRST SW DWN Rear LH headrest switch signal (Downward)/ ON or OFF ON: Rear LH headrest switch (Downward) is ON OFF: Rear LH headrest switch (Downward) is OFF
    RL REF START SW Rear LH refreshing seat switch signal (START)/ ON or OFF ON: Rear LH refreshing seat switch (START) is ON OFF: Rear LH refreshing seat switch (START) is OFF
    RL REF STOP SW Rear LH refreshing seat switch signal (STOP)/ ON or OFF ON: Rear LH refreshing seat switch (STOP) is ON OFF: Rear LH refreshing seat switch (STOP) is OFF
    IG Ignition switch status/ ON or OFF ON: Ignition switch is ON OFF: Ignition switch is OFF

    OK: 

    On the tester screen, each item should change between ON and OFF according to the above chart. 

    NG: REPLACE REAR SEAT CONTROL SWITCH 

    OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON  PROBLEM SYMPTOMS TABLE