Lexus ES: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
If DTCs are not output but the malfunction persists, use the following table to determine which circuits to inspect for each problem symptom.
HINT:
Refer to each inspection procedure for related problem symptoms.
Electronically Controlled Brake System| Symptom | Suspected Area | Link |
|---|---|---|
| ABS warning light abnormal (Remains on) | Refer to the procedure for "ABS Warning Light Remains ON" | |
| ABS warning light abnormal (Does not come on) | Refer to the procedure for "ABS Warning Light does not Come ON" | |
| Brake warning light / red (malfunction) abnormal (Remains on) | Refer to the procedure for "Brake Warning Light Remains ON" | |
| Brake warning light / red (malfunction) abnormal (Does not come on) | Refer to the procedure for "Brake Warning Light does not Come ON" | |
| Brake hold standby indicator light abnormal | Refer to the procedure for "Brake Hold Standby Indicator Light Circuit" | |
| Brake hold operated indicator light abnormal | Refer to the procedure for "Brake Hold Operated Indicator Light Circuit" | |
| Slip indicator light abnormal (Remains on) | Refer to the procedure for "Slip Indicator Light Remains ON" | |
| Slip indicator light abnormal (Does not come on) | Refer to the procedure for "Slip Indicator Light does not Come ON" | |
| TRAC does not operate | Refer to the procedure for "TRAC does not Operate" | |
| Excessive brake pedal travel (No fluid leaks and no air in system) | Refer to the procedure for "Excessive Brake Pedal Travel (No Fluid Leaks and No Air in System)" | |
| ABS operates before necessary when braking | Refer to the procedure for "ABS Operates Before Necessary When Braking" | |
| VSC does not operate or VSC does not operate correctly | Refer to the procedure for "VSC does not Operate or VSC does not Operate Correctly" | |
| Brake actuator operation sound is loud during initial check | Refer to the procedure for "Brake Actuator Operation Sound is Loud during Initial Check" | |
| VSC OFF switch abnormal | Refer to the procedure for "VSC OFF Switch Circuit" | |
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RL Speed Sensor Wrong Installation (X0453)
DESCRIPTION Code Tester Display Measurement Item Trouble Area X0453 RL Speed Sensor Wrong Installation History of rear speed sensor LH being installed incorrectly Rear Speed Sensor
RL Speed Sensor Wrong Installation (X0453)
DESCRIPTION Code Tester Display Measurement Item Trouble Area X0453 RL Speed Sensor Wrong Installation History of rear speed sensor LH being installed incorrectly Rear Speed Sensor
RR Speed Sensor Wrong Installation (X0454)
DESCRIPTION Code Tester Display Measurement Item Trouble Area X0454 RR Speed Sensor Wrong Installation History of rear speed sensor RH being installed incorrectly Rear Speed Sensor
SEE MORE:
Rough Idling
DESCRIPTION Problem Symptom Suspected Area Trouble Area
Engine speed fluctuation due to abnormal combustion
Idle speed too low or high
Strong engine vibration due to above symptoms
Ignition malfunction
Deviation in air fuel ratio (Excessive or insufficient intake air volume
Components
COMPONENTS ILLUSTRATION *1 COWL SIDE TRIM BOARD LH *2 COWL SIDE TRIM BOARD RH *3 FRONT DOOR OPENING TRIM COVER LH *4 FRONT DOOR OPENING TRIM COVER RH *5 FRONT DOOR SCUFF PLATE LH *6 FRONT DOOR SCUFF PLATE RH *7 INSTRUMENT SIDE PANEL LH *8 INSTRUMENT SIDE PANEL
