Lexus ES: All Power Windows do not Operate with Driver Side Door Key Cylinder or Wireless Transmitter
DESCRIPTION
- When a key switch is pushed: 1) the door control receiver receives the wireless door lock signal; 2) the door control receiver sends a signal to the main body ECU (multiplex network body ECU) through the certification ECU (smart key ECU assembly); 3) the main body ECU (multiplex network body ECU) sends the operation permission signal to the power window regulator motor assemblies; and 4) the power window regulator motor assemblies are activated.
- When the driver door key cylinder (key linked switch) is turned and held: 1) the door lock motor receives the signal; 2) the main body ECU (multiplex network body ECU) sends the signal to the power window regulator motor assemblies; and 3) the power window regulator motor assemblies are activated.
CAUTION / NOTICE / HINT
NOTICE:
- These functions are set through customize settings, as they are off by default.
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The power window control system uses the LIN communication system and CAN communication system. Inspect the communication functions by following How to Proceed with Troubleshooting. Troubleshoot the power window control system after confirming that the communication systems are functioning properly.
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Before replacing the main body ECU (multiplex network body ECU), refer to Registration.
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PROCEDURE
| 1. | CHECK BASIC FUNCTION (WIRELESS AND POWER DOOR LOCK CONTROL SYSTEM) |
(a) Check that the wireless door lock / unlock function operates normally.
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(b) Check that the key-linked lock/unlock function operates normally.
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| Result | Proceed to |
|---|---|
| Wireless door lock/unlock function and key-linked lock/unlock function operate normally | A |
| Wireless door lock/unlock function does not operate normally | B |
| Key-linked lock/unlock function does not operate normally | C |
| B | .gif) | GO TO WIRELESS DOOR LOCK CONTROL SYSTEM (Proceed to Problem Symptoms Table) |
| C | | GO TO POWER DOOR LOCK CONTROL SYSTEM (Proceed to Problem Symptoms Table) |
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| 2. | CHECK MANUAL UP / DOWN FUNCTION |
(a) Check that the manual up and down functions using the multiplex network master switch assembly, power window regulator switch assembly and rear power window regulator switch assemblies can operate all of the power windows.
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OK:
Manual up and down functions are normal.
| NG | | GO TO OTHER PROBLEM (Proceed to Problem Symptoms Table) |
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| 3. | CHECK REMOTE UP / DOWN FUNCTION |
(a) Check that the remote up and down functions using the multiplex network master switch assembly can operate all of the power windows.
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OK:
Remote up and down functions are normal.
| OK | | REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
| NG | | GO TO OTHER PROBLEM (Proceed to Problem Symptoms Table) |
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SEE MORE:
Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) auxiliary battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Lane Control System (for H
Installation
INSTALLATION PROCEDURE 1. INSTALL SUSPENSION TOWER DAMPER (a) Using a union nut wrench, install the suspension tower damper to the vehicle with the 2 nuts. Torque: Specified tightening torque : 35 N·m {357 kgf·cm, 26 ft·lbf} NOTICE: Do not extend or compress the damper. HINT:
Calculate th
