Diagnosis system (BCM)
Power supply and ground circuitDiagnosis 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 ...
A/C switch assembly signal circuit
Diagnosis Procedure
1.CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT
Using CONSULT, perform "SELF-DIAGNOSIS RESULTS" of HVAC.
Check if any DTC No. is displayed in the self-diagnosis results.
NOTE:
If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000
or U1010.
...
Power supply and ground circuit
AV CONTROL UNIT
AV CONTROL UNIT : Diagnosis Procedure
1.CHECK FUSES
Check that the following fuses of the AV control unit are not blown.
2.POWER SUPPLY CIRCUIT CHECK
Disconnect AV control unit connectors M115 and M119.
Check voltage between the AV control unit connectors M115 and
...