Diagnosis Procedure
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

Main line between DLC and HVAC circuit
Main line between A-bag and ABS circuitPrecautions
PRECAUTION
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and
"SEAT BELT PRE-TENSIONER "
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER
",
used along
with a front seat belt, helps to reduce the risk or ...
ECU diagnosis information
A/C AUTO AMP.
Reference Value
VALUES ON THE DIAGNOSIS TOOL
CONSULT MONITOR ITEM
A/C AUTO AMP. HARNESS CONNECTOR TERMINAL LAYOUT
TERMINALS AND REFERENCE VALUES FOR A/C AUTO AMP.
DTC Inspection Priority Chart
If some DTCs are displayed at the same time, perform inspections one b ...
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 ...