Basic inspection
Front seat beltDiagnosis system (AV control unit)
Description
The AV control unit diagnosis function starts up with multifunction
switch operation and the AV control unit
performs a diagnosis for each unit in the system during the on board
diagnosis.
Perform a CONSULT diagnosis if the on board diagnosis does not start,
e.g., the s ...
CAN communication circuit
Diagnosis Procedure
1.CONNECTOR INSPECTION
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect all the unit connectors on CAN communication system.
Check terminals and connectors for damage, bend and loose
connection.
2.CHECK HARNESS CON ...
System description
COMPRESSOR CONTROL FUNCTION
Description
PRINCIPLE OF OPERATION
Compressor is not activated.
Functional circuit diagram
CAN (1): A/C switch signal
: Blower fan motor switch signal
CAN (2): A/C compressor request signal
Functional initial inspection chart
Fail-Safe
FAIL-SAFE FUNCTION ...