Lexus ES: Problem Symptoms Table
Lexus ES (XZ10) Service Manual / Audio & Visual & Telematics / Audio / Video / Active Noise Control System(for Hv Model) / Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
- Before checking parts for malfunctions, check that the audio system operates normally.
- 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.
HINT:
Removing dealer installed options and optional components before performing diagnosis makes it easier to determine the location of a malfunction.
Active Noise Control System| Symptom | Suspected Area | Link |
|---|---|---|
| Muffled engine sounds in cabin | Proceed to "Power Source Circuit" | |
| Proceed to "Input / Output Signal Circuit" | | |
| Front No. 1 speaker assembly LH | | |
| Front No. 1 speaker assembly RH | | |
| Speaker assembly with bracket | | |
| Harness or connector | - | |
| Stereo component equalizer assembly | | |
| Stereo component amplifier assembly | | |
| Abnormal noise from speakers | Front No. 1 speaker assembly LH | |
| Front No. 1 speaker assembly RH | | |
| Speaker assembly with bracket | | |
| Harness or connector | - | |
| Stereo component equalizer assembly | | |
| Stereo component amplifier assembly | |
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System Diagram
SYSTEM DIAGRAM
Terminals Of Ecu
TERMINALS OF ECU STEREO COMPONENT EQUALIZER ASSEMBLY Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition G15-1 (CANH) P CAN communication signal
SEE MORE:
Switch Lights of Remote Touch Always Illuminate or cannot be Controlled Using Rheostat
DESCRIPTION Power is supplied to the remote touch (remote operation controller assembly) illumination when the light control switch is in the tail or head position. HINT:
When the remote touch (remote operation controller assembly) is in self check mode, the switch illumination on the remote touc
Engine
ENGINE
HINT:
Perform these procedures after the engine has cooled down.
INSPECT DRIVE BELT
(a) Inspect the drive belt.
2GR-FKS: Click here
A25A-FKS: Click here
INSPECT ENGINE OIL
(a) Inspect the engine oil.
A25A-FXS: Click here
2GR-FKS: Click here
A25A-FKS: Click here
REPLACE E
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