Diagnosis system (HVAC)
U1000 CAN comm circuitHVAC 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 A/C auto amp. for
damage, bend and loose connection (unit
side and connector side).
2.CHECK HARNESS FOR OPEN CIRCUI ...
The ICC switch
The system is operated by the
CRUISE switch and four control
switches,
all mounted on the steering wheel.
1. DISTANCE switch:
Changes the vehicle's following distance:
Long
Middle
Short
2. RES+ switch:
Resumes set speed or increases speed incrementally.
3. CANCEL switch:
D ...
DLC 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 data
link connector for damage, bend and loose connection
(connector side and harn ...