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 > Air Conditioning System(for Automatic Air Conditioning System With Side-mounted
Air Conditioner Pressure Sensor): Precaution
PRECAUTION
IGNITION SWITCH EXPRESSIONS
(a) The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine Swi ...
Toyota CH-R Service Manual > 3zr-fae Battery: Components
COMPONENTS
ILLUSTRATION
*1
BATTERY
*2
NO. 2 BATTERY CLAMP
*3
POSITIVE BATTERY TERMINAL
*4
NEGATIVE BATTERY TERMINAL
*5
FUSIBLE LINK COVER
*6
BATTERY INS ...