Toyota Camry (XV70): Poor Sound Quality in All Modes (Low Volume)
PROCEDURE
(a) Set treble, middle and bass 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 |
|
NG |
| |
| 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 |
READ NEXT:
PROCEDURE
1. CHECK CONDITION
(a) Check with the customer if the vehicle has been turned by a turntable.
OK: Vehicle has not been turned by a turntable. HINT:
If the vehicle is
CAUTION / NOTICE / HINT
NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to
WIRING DIAGRAM
PROCEDURE
1.
CHECK VOICE GUIDANCE SETTING (a) Check that the voice guidance settings are not off.
OK: Voice guidance settings are not off.
NG
CHANGE VOICE
SEE MORE:
DESCRIPTION When the engine switch is turned on (IG), the battery voltage is applied to the IGSW terminal of the ECM.
The output signal from the MREL terminal of the ECM causes a current to flow to the coil of the EFI-MAIN NO. 1 relay, closing the contacts and supplying power to terminals +B and +
DESCRIPTION This DTC is stored when the DCM (telematics transceiver) detects a malfunction in the telephone microphone assembly circuit.
DTC No. Detection Item
DTC Detection Condition Trouble Area
B157213 Microphone Circuit Open
Current at terminal MCVD is lower than t