Toyota Camry (XV70): Noise Occurs
PROCEDURE
|
1. | CHECK NOISE CONDITION |
(a) Check from which direction the noise comes (front left or right, or rear left or right).
OK:
The location of the noise source can be determined.
| NG | .gif) | GO TO STEP 3 |
|
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| 2. |
CHECK SPEAKERS |
(a) Check the installation condition of the speaker units that are located near the noise source and that there are no cracks, scratches, deformation or other failures.
|
Result | Proceed to |
|---|---|
|
No malfunction is found. |
A |
| A speaker is installed incorrectly. |
B |
| Foreign matter is in a speaker. |
C |
| A speaker cone paper is broken. |
D |
| B |
| REINSTALL SPEAKER |
| C |
| REMOVE FOREIGN MATTER |
| D |
| REPLACE SPEAKER |
|
| 3. |
CHECK NOISE CONDITIONS |
(a) Check the noise condition.
HINT:
The radio has a noise prevention function to reduce noise when listening to the radio. If a loud noise occurs, check whether the ground at the antenna mounting base and the noise prevention unit are installed and wired correctly.
|
Condition under which Noise Occurs |
Noise Source |
|---|---|
| Noise increases when the accelerator pedal is depressed, but stops when the engine is stopped. |
Generator |
| Noise occurs during A/C or heater operation. |
Blower motor |
|
Noise occurs when the horn switch is pressed and released or when pressed and held. |
Horn |
| Noise occurs synchronously with the turn signal blinking pattern. |
Flasher |
| Noise occurs during window washer operation. |
Washer |
| Noise occurs during wiper operation. |
Wiper |
| Noise occurs when the brake pedal is depressed. |
Stop light switch |
|
Others | Static electricity |
HINT:
- In the left column of the table, find the situation that matches the customer's complaint. Then, in the right column, find the part that is causing the noise. Check the respective noise filter.
- To save time and avoid a misdiagnosis, first make sure that the noise is not coming from outside the vehicle.
- Troubleshoot noises in descending order of loudness.
- Setting the radio to a frequency where no signal is received may make recognition of the noise problem easier.
|
Result | Proceed to |
|---|---|
|
The noise source cannot be determined. |
A |
| The noise source can be determined. |
B |
| A |
| PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
|
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| B |
| REPAIR OR REPLACE NOISE SOURCE |
READ NEXT:
No Sound can be Heard from Speakers
PROCEDURE
1. CHECK AUDIO SETTINGS
(a) In sound output setting mode, set volume, fader and balance to the initial values and check that the sound is normal.
OK: Audio system returns to
Radio Broadcast cannot be Received or Poor Reception
CAUTION / NOTICE / HINT
NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to
Illumination for Panel Switch does not Come on with Tail Switch ON
CAUTION / NOTICE / HINT
NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to
SEE MORE:
Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier
DESCRIPTION This circuit sends a signal to the stereo component amplifier assembly to mute noise. Because of that, the noise produced by changing the sound source ceases.
If there is an open in the circuit, noise can be heard from the speakers when changing the sound source.
If there is a short
Differential Oil
ComponentsCOMPONENTS ILLUSTRATION
*1 REAR DIFFERENTIAL FILLER PLUG
*2 REAR DIFFERENTIAL DRAIN PLUG
*3 GASKET
- -
N*m (kgf*cm, ft.*lbf): Specified torque
● Non-reusable part On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE
1.
