PROCEDURE
1. |
CHECK AUDIO SETTINGS |
(a) Set bass, mid-range and treble to the initial values and check that the sound is normal.
OK:
The sound returns to normal.
HINT:
Sound quality adjustment measures vary according to the type of amplifier.
OK | ![]() |
END (AUDIO SETTINGS ARE DEFECTIVE) |
|
2. |
COMPARE WITH ANOTHER VEHICLE OF SAME MODEL |
(a) Compare with another vehicle of the same model which is not malfunctioning to see if there is any difference in the sound quality.
OK:
No difference is found.
OK | ![]() |
END |
NG | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
Toyota CH-R Service Manual > Can Communication System: Combination Meter ECU Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Combination Meter ECU Communication Stop Mode
Any of the following conditions are met:
Communication stop for "Combination Meter" is indicated on the
"Comm ...
Toyota CH-R Service Manual > Immobiliser System(w/ Smart Key System): ID BOX EEPROM Malfunction (B2790)
DESCRIPTION
When an internal malfunction occurs in the ID code box (immobiliser code ECU),
the certification ECU (smart key ECU assembly) stores this DTC.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
B279 ...