Toyota Corolla (E120): Noise occurs
Inspection procedure
1 Check of speaker installation
- Check speaker installation condition.
- Check that each speaker is securely installed.
Standard: malfunction disappear.
Hint
: the radio is equipped with noise prevention system that does not work against the regular use of the radio, thereby excessively large noise cannot occur in the radio. If large noise occurs, check whether or not the earth on the antenna installation part and the proper noise–prevention equipment are all installed, and whether or not the improper wiring is held.
Hint
:
- identify the condition under which the noise occurs, and check the noise filter on the related part.
- Make sure first that there is no noise from outside. Failing to do so makes the noise occurrence source detection impossible and leads to misunderstanding.
- The noise should be removed in descending order of loudness.
Identification of noise source
Other materials:
Checking the engine coolant
The coolant level is satisfactory
if it is between the "MAX" and
"MIN" lines on the reservoir
when the engine is cold.
Reservoir
"MAX" line
"MIN" line
If the level is on or below the "MIN"
line, add coolant up to the "MAX"
line.
■Coolant selection
Only use "Toyota Super Long Life
Coolant" or ...
Inspection procedure
Hint:
if different dtcs related to different systems that have terminal e2
as the ground terminal are output
simultaneously, terminal e2 may be open.
If dtc p0441 (purge flow), p0446 (vsv for ccv), p0451, p0452 or p0453
(evaporative pressure
sensor) is output with dtc p0442 or p0456, ...
Rear combination lamp assy lh
Replacement
Using a clipremover, remove the 2 clips and disconnect
the luggage compartment trim cover lh.
Disconnect the connector and remove the 3 nuts.
Pull out the rear combination light assy lh to the back of
the vehicle, and remove.
...