DIAGNOSIS AND REPAIR WORKFLOW
Interview Sheet

Precaution
System descriptionPower supply routing circuit
Wiring Diagram -Battery Power Supply -
Wiring Diagram -Accessory Power Supply -
Wiring Diagram -Ignition Power Supply -
Fuse
If fuse is blown, be sure to eliminate cause of malfunction before
installing new fuse.
U ...
P1564 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 ...