Description
If the power steering ecu detects a malfunction, the p/s warning light comes on. At this time, the power steering ecu stores a dtc in its memory.
Wiring diagram

Inspection procedure
Ok: can dtcs are not output.


Main body ecu


Ok:
below 1 


Standard voltage



Combination meter

Ok: indicator comes on.

Replace power steering ecu
Control module communication bus off
Steering gearStop light switch circuit
Description
When the stop light switch is turned on, current flows to the stop lights to
illuminate them.
Wiring diagram
Inspection procedure
Inspect fuse (stop)
Remove the stop fuse from the instrument panel
junction block.
Measure the resistance of the fuse.
Standard resi ...
How to proceed with troubleshooting
Hint:
Use these procedures to troubleshoot the vehicle stability
control system.
*: Use the intelligent tester.
Vehicle brought to workshop
Inspect battery voltage
Standard voltage:
11 to 14 v
If the voltage is below 11 v, recharge or replace the battery
before proceedin ...
Stop & Start system
The Stop & Start system
stops and starts the engine
according to brake pedal or
shift lever operation when
the vehicle is stopped, such
as at a stoplight, intersection,
etc., in order to
improve fuel economy and
reduce noise pollution
caused by the engine idling.
Stop & Start system operatio ...