Diagnostic Test

READ AND RECORD DTCS AND ENVIRONMENTAL DATA - ERASE DTCS AND CHECK FOR DTC TO RETURN
1. With the scan tool, read DTCs in all Electronic Control Units (ECUs) and record on the repair order.
2. NOTE: The Radio must be on.
  NOTE: A front door must remain open whenever checking or erasing Amplifier DTCs.
3. With the scan tool, run a vehicle Scan Report, or record the Environmental Data related to the DTCs.
4. With the scan tool, erase all DTCs.
5. Turn the ignition off for a minimum of 10.0 seconds.
6. Turn the ignition on.
7. Using the recorded Environmental Data and the When Monitored Conditions above, operate the vehicle in the conditions that set the DTC.
8. With the scan tool, read DTCs.
NOTE:
Make sure the Radio is turned on.

NOTE:
A front door must remain open whenever checking or erasing Amplifier DTCs.

Did the DTC return?

Yes
- Go To 2
No
- Perform the appropriate INTERMITTENT CONDITION diagnostic procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
CONFIGURE THE AMPLIFIER
1. With the scan tool, perform the Restore Vehicle Configuration routine.
2. With the scan tool, erase DTCs.
3. Cycle the ignition switch from off to on at least five times.
4. With the scan tool, read DTCs.
  Did the DTC return?
  
  Yes
  - Replace the Amplifier in accordance with the Service information. Refer to AMPLIFIER (AMP), REMOVAL AND INSTALLATION .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Test complete.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .