Precaution
Can communication systemDiagnosis system (audio unit)
Diagnosis Description
Self-diagnosis mode can perform the following items.
Versions display
Channel check diagnosis
Key check diagnosis
AV communication diagnosis
VERSIONS DISPLAY FUNCTION
Turn ignition switch ON.
Turn the audio unit off.
While pressing "1" button, turn vol ...
The ambient temperature display is incorrect
Description
The displayed ambient air temperature is higher
than the actual temperature.
The displayed ambient air temperature is lower
than the actual temperature.
Diagnosis Procedure
1.COMBINATION METER INPUT SIGNAL
Select "METER/M&A" on CON ...
BCM branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the BCM for damage, bend and
loose connection (unit side and
connector side).
2.CHECK HARNESS FOR OPEN CIRCUIT
Disc ...