PARTS LOCATION
ILLUSTRATION
System DiagramProblem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" ...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
If a trouble code is displayed during the DTC check, check the trouble areas
listed for that code in the table below and proceed to the appropriate page.
Cruise Control System
DTC Code
Detection Item
...
Assist Map Number Un-Writing (C1581)
DESCRIPTION
The power steering ECU stores this DTC when it determines that the assist map
is not written in the ECU.
HINT:
The assist map is data written in the power steering ECU to control the degree
of assistance. The assist map is selected based on ...