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 conditions of the speaker units that are located near the noise source and that there are no cracks, scratches, deformation or other failures.
Result
Result |
Proceed to |
---|---|
No malfunction is found |
A |
A speaker is installed incorrectly |
B |
Foreign objects are in the speaker |
C |
A speaker cone paper is broken |
D |
B |
REINSTALL SPEAKER |
C |
REMOVE FOREIGN OBJECT |
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:
OK:
The noise source cannot be determined.
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG |
REPAIR OR REPLACE NOISE SOURCE |
Noise Occurs from V-ribbed Belt or Generator Assembly
PROCEDURE
1.
CONFIRM PROBLEM SYMPTOM
(a) Confirm the problem symptom.
Result
Result
Proceed to
Noise occurs from fan and generator V belt
A
Noise occurs from generator assembly
B
...
Illumination Circuit
DESCRIPTION
Power is supplied to the radio and display receiver assembly and steering pad
switch assembly illumination when the light control switch is in the TAIL or HEAD
position.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
The vehicle is equipped with a Supplemental Restrain ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or signals ...