Lexus ES: Problem Symptoms Table
Lexus ES (XZ10) Service Manual / Vehicle Exterior / Sliding Roof / Convertible / Sliding Roof System (for Gasoline Model) / 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 |
|---|---|---|
| Remote control system does not operate | Refer to the "Remote Control System 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". | |
| Sliding roof does not move by operating sliding roof control switch | Refer to the "Sliding Roof does not Move by Operating Sliding Roof Control Switch". | |
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Terminals Of Ecu
TERMINALS OF ECU CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) (a) Disconnect the P22 sliding roof ECU (sliding roof drive gear sub-assembly) connector. (b) Measure the resistance and
Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) Sliding 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 malfunctioning,
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 / Trou
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Parts Location
PARTS LOCATION ILLUSTRATION *1 SWING GRILLE ACTUATOR ASSEMBLY *2 RADIATOR SHUTTER SUB-ASSEMBLY *3 ECM - - ILLUSTRATION *1 COMBINATION METER ASSEMBLY *2 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - ECU-B NO. 2 FUSE *3 AIR CONDITIONING AMPLIFIER ASSEMBLY *4 HYB
IG2 Signal Circuit Short to Auxiliary Battery (P253012)
DESCRIPTION The hybrid vehicle control ECU compares the IG2 signal to the IG control status signal sent from the certification ECU (smart key ECU assembly) to detect a stuck on malfunction of the IG2 signal. HINT: If DTC P253012 is stored, the power switch will turn off (READY off). DTC No. Det
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