Diagnostic Test
- CHECK FOR AN ACTIVE DTC
- With the scan tool, read Amplifier DTCs and record on the repair order.
- With the scan tool, erase DTCs.
- Using the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
- With the scan tool, read Amplifier DTCs.
Did the DTC return?
Yes
- Go To 2
No
- Perform the TESTING FOR AN INTERMITTENT CONDITION procedure. Refer to INTERMITTENT CONDITION
- CHECK THE AMPLIFIER OPERATION
- Check that the Amplifier is working correctly. The system detects excessive temperature.
Is the Amplifier working correctly?
Yes
- Allow the Amplifier to cool until acceptable temperature is reached.
No
- End of diagnosis.
- Check that the Amplifier is working correctly. The system detects excessive temperature.