DIAGNOSIS SYSTEM
CHECK DLC3
(a) Check the DLC3.
Click here
INSPECT BATTERY VOLTAGE
(a) Measure the battery voltage with the ignition switch off.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, replace the battery.
Terminals Of Ecu
Data List / Active TestToyota CH-R Service Manual > Can Communication System: Check Bus 1 Lines for Short Circuit
DESCRIPTION
There may be a short circuit between the CAN main bus lines and/or CAN branch
lines when the resistance between terminals 23 (CA1H) and 8 (CA1L) of the central
gateway ECU (network gateway ECU) is below 54 Ω.
Symptom
Trouble Area
Resistance b ...
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 ...