DESCRIPTION
The telematics transceiver sends a mute signal to the radio and display receiver assembly.
The radio and display receiver assembly controls the volume according to the mute signal from the telematics transceiver.
WIRING DIAGRAM
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 Precaution for Audio and Visual System.
Click here
PROCEDURE
1. |
INSPECT DCM (TELEMATICS TRANSCEIVER) |
(a) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
2. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - DCM (TELEMATICS TRANSCEIVER)) |
(a) Disconnect the F131 radio and display receiver assembly connector.
(b) Disconnect the F134 DCM (telematics transceiver) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F131-3 (TMUT) - F134-17 (MUTE) |
Always |
Below 1 Ω |
F131-3 (TMUT) or F134-17 (MUTE) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY |
(a) Disconnect the DCM (telematics transceiver) connector.
(b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
OK | ![]() |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
NG | ![]() |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
Toyota CH-R Service Manual > Automatic High Beam System: System Description
SYSTEM DESCRIPTION
AUTOMATIC HIGH BEAM SYSTEM
(a) General
The automatic high beam system enhances the illumination of the area in front
of the vehicle to improve visibility for the driver. It works by detecting light
from the front of the vehicle, using the forward recognition camera, and tur ...
Toyota CH-R Service Manual > Ambient Light: Installation
INSTALLATION
PROCEDURE
1. INSTALL NO. 1 INTERIOR ILLUMINATION LIGHT ASSEMBLY
(a) Engage the claws to install the No. 1 interior illumination light
assembly.
*a
Clamp
...