Lexus ES: Key-off Operation Function Operates even if Operating Conditions are not Satisfied
DESCRIPTION
The sliding roof ECU (sliding roof drive gear sub-assembly) operates its built-in motor according to the sliding roof switch (map light sub-assembly) operation. Using the sliding roof switch (map light sub-assembly), if the sliding roof can be operated normally when 45 seconds or more have elapsed since 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 ECU (sliding roof drive gear sub-assembly) is removed and reinstalled or replaced, the sliding roof ECU (sliding roof drive gear sub-assembly) 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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Before replacing the main body ECU (multiplex network body ECU), refer to Registration.
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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 ECU (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 ECU (sliding roof drive gear sub-assembly) receives slide and tilt signals and operates its built-in motor when the sliding roof switch (map light sub-assembly) is operate
Vehicle Approaching Speaker (for Front Side)
ComponentsCOMPONENTS ILLUSTRATION *1 COOL AIR INTAKE DUCT SEAL *2 VEHICLE APPROACHING SPEAKER ASSEMBLY N*m (kgf*cm, ft.*lbf): Specified torque - - RemovalREMOVAL PROCEDURE 1.
SEE MORE:
Dtc Check / Clear
DTC CHECK / CLEAR CHECK FOR DTC (a) Turn the engine switch off. (b) Connect the Techstream to the DLC3. (c) Turn the engine switch on (IG). (d) Turn the Techstream on. (e) Enter the following menus: Chassis / Air suspension / Trouble Codes. Chassis > Air suspension > Trouble Codes HINT: When f
Removal
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization, or registration)
that must be performed after parts are removed and installed, or replaced during
spark plug removal/installation are shown below.
Necessary Procedures After Parts Removed/Instal
