Cooling Fan Control System Inspection
- Connect the M-MDS to the DLC-2.
- Start the engine and warm it up to normal operating temperature.
- Perform the KOER self test. (See
KOEO/KOER SELF TEST [SKYACTIV-G 2.0]
).
- Verify that DTC P0480:00 is not shown and the cooling fan operates during the KOER self test.
- If the DTC P0480:00 is displayed, perform the DTC inspection. (See
DTC P0480:00 [SKYACTIV-G 2.0]
).
- If the cooling fans do not operate, proceed to the following:
- Inspect the following parts in the indicated order in accordance with fan operation conditions.
- Open circuit between cooling fan relay and battery positive terminal
- Open circuit between cooling fan relay and ground
- Poor connection of the cooling fan relay
- If there is no malfunction: