Diagnostic Test

CHECK IF DTC IS CURRENT
1. With the scan tool, read EVCU DTCs.
2. Record the Environmental Data and any DTCs.
3. With the scan tool, erase EVCU DTCs.
4. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
5. With the scan tool, read EVCU DTCs.
  Did the DTC reset?
  
  Yes
  - Replace the Radiator Fan Module. Refer to FAN, COOLING, REMOVAL .
  - Perform the EVCU VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go to 2.
PERFORM RADIATOR ACTUATOR TEST
1. With the scan tool, perform the EVCU Radiator Fan Actuator Procedure while listening for the fans to operate.
  Do both fans operate?
  
  Yes
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to STANDARD PROCEDURE .
  No
  - Replace the Radiator Fan Module. Refer to FAN, COOLING, REMOVAL .
  - Perform the EVCU VERIFICATION TEST. Refer to STANDARD PROCEDURE .