Lexus NX: 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
NOTICE:
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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 Smart Access System with Push-button Start (for Entry Function).
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PROCEDURE
| 1. | CHECK POWER WINDOW CONTROL SYSTEM |
(a) 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.
| OK | .gif) | REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY |
| NG | | REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
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Sliding Roof does not Move by Operating Sliding Roof Control Switch
DESCRIPTION The sliding roof drive gear sub-assembly (sliding roof ECU) receives each signal when the map light assembly (slide roof switch) is operated and drives its built-in motor. WIRING DIAGRAM
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