DIAGNOSIS SYSTEM
DESCRIPTION
Air conditioning system data and Diagnostic Trouble Codes (DTCs) can be read through 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 troubleshooting.
CHECK DLC3
Check the DLC3.
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Terminals Of Ecu
Data List / Active TestToyota CH-R Service Manual > Lighting System: Ambient Illumination Light Circuit
DESCRIPTION
The main body ECU (multiplex network body ECU) controls the ambient illumination
lights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the lights for circuits related to this system before performing
the following procedure.
Before replacing the main ECU ...
Toyota CH-R Service Manual > Smart Key System(for Entry Function): Entry Exterior Alarm does not Sound
DESCRIPTION
The smart key system (for Entry Function) uses the wireless door lock buzzer
to perform various vehicle exterior warnings. When the conditions of each warning
are met, the certification ECU (smart key ECU assembly) sends a buzzer activation
request signal to the main body ECU (mul ...