Toyota CH-R Service Manual > Navigation System: Microphone Circuit
DESCRIPTION
The radio and display receiver assembly, map light assembly and telephone microphone
assembly are connected to each other using the microphone connection detection signal
lines.
Using this circuit, the DCM (telematics transceiver) sends power to the map light
assembly and telepho ...
Toyota CH-R Service Manual > Lighting System: Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) Lighting system data can be read from the Data Link Connector 3 (DLC3) of
the vehicle. When the system seems to be malfunctioning, use the Techstream to check
for malfunctions and perform repairs.
CHECK DLC3
(a) Check the DLC3.
Click here
INSPECT BATTERY ...