SLIDING ROOF SYSTEM Key-off Operation Function Operates even if Operating Conditions are not Satisfied

DESCRIPTION

According to the map light assembly (slide roof switch) operation, the sliding roof drive gear sub-assembly (sliding roof ECU) operates its built-in motor. Using the map light assembly (slide roof switch), if the roof glass can be operated normally when 43 seconds or more have elapsed after the power switch was turned off, the key-off operation function may be abnormal.

CAUTION / NOTICE / HINT

Note


  • If the sliding roof drive gear sub-assembly (sliding roof ECU) is replaced, the sliding roof drive gear sub-assembly (sliding roof ECU) must be initialized.

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  • The sliding roof system uses the CAN and LIN communication systems. First, confirm that there are no malfunctions in the CAN and LIN communication systems. Refer to How to Proceed with Troubleshooting.

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  • If the main body ECU (multiplex network body ECU) is replaced, refer to the Service Bulletin.

  • As the door control battery is installed between the vehicle battery and main body ECU (multiplex network body ECU), first perform the inspections in On-Vehicle Inspection to confirm that there are no malfunctions in the power source circuit for the main body ECU (multiplex network body ECU) before performing this troubleshooting procedure.*

    *: w/ Door Control Battery

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PROCEDURE


  1. CHECK POWER WINDOW CONTROL SYSTEM


    1. Check if the key-off operation function of the power window control system operates normally.

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      OK
      The key-off operation function of the power window control system operates normally.
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY Click here

    NG

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) for LHD: Click here for RHD: Click here