1. DTC P0566 description
The cruise control maintains the vehicle speed at a speed set by a driver. When the cruise control main switch is turned ON, a signal is sent to the ECM, and the cruise control indicator light in the instrument panel cluster illuminates. When the cruise control cancel switch is applied, the cruise control system is disabled. If the ECM detects that the cruise control cancel switch signal repeats ON and OFF or stays ON, the DTC is set.
2. Condition for setting DTC P0566
Condition for running the DTC
- The ignition switch is ON.
- The engine is running.
Condition for setting the DTC
Any of the following are met:
- The ECM detects that the cruise control cancel switch signal continuously repeats ON and OFF within a very short adjustment time.
- The ECM detects that the cruise control cancel switch signal stays at the ON position (low voltage) for 40 seconds or more.
3. Action taken when DTC P0566 sets
- Euro4: The ECM illuminates the SVS indicator light. Refer to Action taken when DTC sets - Type C (Euro4).
- Except Euro4: The ECM illuminates the check engine warning light. Refer to Action taken when DTC sets - Type A (Except Euro4).
Refer to "51.Engine Control 1A.Troubleshooting(RZ4E-TC) DTC type definitions".
- The ECM inhibits the cruise control.
4. Condition for clearing DTC P0566
- Euro4: Refer to Condition for clearing the SVS indicator light/DTC - Type C (Euro4).
- Except Euro4: Refer to Condition for clearing the check engine warning light/DTC - Type A or Type B (Except Euro4).
Refer to "51.Engine Control 1A.Troubleshooting(RZ4E-TC) DTC type definitions".