Lexus ES: Problem Symptoms Table
Lexus ES (XZ10) Service Manual / Vehicle Exterior / Sliding Roof / Convertible / Panoramic Moon Roof System / Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | Link |
|---|---|---|
| Key-linked or wireless transmitter-linked function does not operate | Refer to the "Key-linked or wireless transmitter-linked function does not operate". | |
| Key-off operation function operates even if operating conditions are not satisfied | Refer to the "Key-off operation function operates even if operating conditions are not satisfied". | |
| Panoramic moon roof system does not operate | Refer to the "Panoramic moon roof system does not operate". | |
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Terminals Of Ecu
TERMINALS OF ECU CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) (a) Disconnect the Q1 sliding roof ECU (sliding roof drive gear assembly) connector. (b) Measure the resistance and voltage
Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) Panoramic moon roof system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). When the system seems to be malfuncti
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Sliding Roof or Sli
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Removal
REMOVAL CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE 1. REMOVE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY WITH REAR DOOR UPPER ARMREST BASE PANEL Click here 2. REMOVE REAR DOOR TRIM UPPER PAD Clic
Dtc Check / Clear
DTC CHECK / CLEAR HINT:
DTCs which are stored in the skid control ECU (brake booster with master cylinder assembly) can be displayed on the Techstream. The Techstream can display the current, pending and permanent DTCs.
If a malfunction is detected during the current driving cycle, current and
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