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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Installation
INSTALLATION CAUTION / NOTICE / HINT NOTICE:
When the brake pedal is first depressed after replacing the brake pads or pushing back the disc brake piston, DTC C1214 may be output. As there is no malfunction, clear the DTC.
While the auxiliary battery is connected, even if the power switch is of
Inspection
INSPECTION PROCEDURE 1. INSPECT FRONT STABILIZER LINK ASSEMBLY LH (a) Inspect the turning torque of the ball joint. (1) Secure the front stabilizer link assembly in a vise using aluminum plates. (2) Install the nut to the front stabilizer link assembly stud. (3) Move the stud back and forth sever
