Lexus ES: Problem Symptoms Table
Lexus ES (XZ10) Service Manual / Vehicle Exterior / Exterior Panels / Trim / Grille Shutter System / Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
-
Before performing troubleshooting, change the grille shutter control mode to maintenance mode.
Click here
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If the swing grille actuator assembly has been replaced with a new one, perform initialization and change the grille shutter control mode.
Click here
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 |
|---|---|---|
| Grille shutter does not operate | Proceed to "Grille Shutter does not Operate" | |
| Abnormal noise occurs during grille shutter operation | Check for ice, etc. around the shutters and links | - |
| Swing grille actuator assembly | | |
| Radiator shutter sub-assembly | |
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Terminals Of Ecu
TERMINALS OF ECU CHECK SWING GRILLE ACTUATOR ASSEMBLY (a) Disconnect the z23 swing grille actuator assembly connector. (b) Measure the voltage and resistance according to the value(s) in the table be
Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) Grille shutter system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunc
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / (desired system) / T
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DC/DC Converter Enable Circuit Short to Battery (P0A1112,P0A1114)
DESCRIPTION Refer to the description for DTC P1CCC96. Click here The motor generator control ECU sends a signal to the DC/DC converter to prohibit its control and receives signals indicating a normal or abnormal (below 11 V) condition of the 12 V charging system from the DC/DC converter via the N
GVIF Disconnected (from Park Assist/Monitoring ECU to EMV/MM Integrated Device) (B1574)
DESCRIPTION The multi-display assembly and parking assist ECU are connected via video signal (digital) lines. This DTC is stored when a video signal (digital) line is disconnected. DTC No. Detection Item DTC Detection Condition Trouble Area B1574 GVIF Disconnected (from Park Assist/Mo
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