PROCEDURE
1. |
NOISE CONDITION |
(a) Check from which direction the noise comes (front left or right, 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 malfunctions.
Result |
Proceed to |
---|---|
No malfunction is found. |
A |
The speaker is installed incorrectly. |
B |
Foreign matter is in a speaker. |
C |
The speaker cone paper is broken. |
D |
B | ![]() |
REINSTALL SPEAKER |
C | ![]() |
REMOVE FOREIGN MATTER |
D | ![]() |
REPLACE SPEAKER |
|
3. |
CHECK NOISE CONDITION |
(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 blink of the turn signal. |
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:
Condition |
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 |
Toyota CH-R Service Manual > Continuously Variable Transaxle System: Torque Converter Clutch Pressure Control Solenoid Control Circuit Electrical
(P2759)
DESCRIPTION
The ECM uses the shift solenoid valve SLU to perform forward and reverse clutch
control or lock-up clutch control.
*1
Spool Valve
*2
Sleeve
*3
Solenoid Coil
-
-
*a
...
Toyota CH-R Service Manual > Washer Level Warning Switch: Inspection
INSPECTION
PROCEDURE
1. INSPECT LEVEL WARNING SWITCH ASSEMBLY
HINT:
This check should be performed with the level warning switch assembly installed
on the washer jar.
(a) Fill the washer jar with washer fluid.
...