PROCEDURE
1. |
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 | ![]() |
GO TO STEP 3 |
|
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:
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 |
B | ![]() |
REPAIR OR REPLACE NOISE SOURCE |
Vehicle Speed Sensor "A" (P0500)
DESCRIPTION
The speed sensor detects the wheel speed and sends the appropriate signals to
the skid control ECU.
The skid control ECU converts these wheel speed signals into a 4-pulse signal
and outputs it to the ECM via the combination meter. The ECM det ...
Headlight switch
The headlights can be operated manually or automatically.
Turning the end of the lever turns on the lights as follows.
Type A
The daytime running lights turn
on.
The headlights, parking lights, daytime running lights and so on turn on and
off auto ...
If your vehicle overheats
The following may indicate that your vehicle is overheating.
• The engine coolant temperature gauge reaches the maximum, or a loss of
engine power is experienced. (For example, the vehicle speed does not increase.)
• Steam comes out from under the hood ...