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 steering angle sensor. Refer to BRC-83, "Wiring Diagram".
HVAC branch line circuit
ABS branch line circuitP1564 ASCD steering switch
Description
ASCD steering switch has variant values of electrical resistance for each
button. ECM reads voltage variation
of switch, and determines which button is operated.
Refer to EC-68, "System Diagram" for the ASCD function.
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P156 ...
If your vehicle is stolen
If your vehicle is stolen, you should change the
codes of any non-rolling code device that has
been programmed into HomeLink. Consult the
Owner's Manual of each device or call the manufacturer
or dealer of those devices for additional
information.
When your vehicle is recovered, you will
need ...
Wiring diagram
COLOR DISPLAY
Wiring Diagram - With BOSE audio system With Navigation System
...