Diagnosis Procedure
1.CHECK CONNECTOR
2.CHECK HARNESS FOR OPEN CIRCUIT

3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the BCM. Refer to BCS-36, "Diagnosis Procedure".
ECM branch line circuit
DLC branch line circuitU1227 AV control unit
DTC Logic
Diagnosis Procedure
1.CHECK PLAYBACK OF A DISK (DVD)
U1228 AV CONTROL UNIT
DTC Logic
DTC DETECTION LOGIC
U1229 AV CONTROL UNIT
DTC Logic
DTC DETECTION LOGIC
...
The oil pressure warning lamp does not turn off
Description
The oil pressure warning lamp remains illuminated while
the engine is running (normal oil pressure).
Diagnosis Procedure
Regarding Wiring Diagram information, refer to MWI-87,
"Wiring Diagram".
1.CHECK OIL PRESSURE WARNING LAMP
Perform IPDM E/R auto active test. Refer to PCS-11, ...
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 ...