DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerTurn signal and hazard warning lamp system
Wiring Diagram
...
Memory function does not operate
Component Function Check
Symptom
Memory function does not operate normally.
The setting is not maintained. (It returns to the initial
condition.)
1.CHECK OPERATION
Set temperature control switch to 32C (90F).
Press the OFF switch.
Turn the ignition switch OFF.
Turn the ignitio ...
Heated steering wheel switch (if so equipped)
The heated steering wheel system is designed to
operate only when the surface temperature of the
steering wheel is below 68F (20C).
Push the heated steering wheel switch to warm
the steering wheel after the engine starts. The
indicator light will come on.
If the surface temperature of ...