Diagnostic Test

CHECK FOR AN ACTIVE DTC
1. With the scan tool, read DTCs and record on repair order.
2. With the scan tool, erase Radio DTCs.
3. Turn the radio on.
4. With the scan tool, reset the Radio.
5. With the scan tool, read Radio DTCs.
  Did the DTC return?
  
  Yes
  - Go To 2
  No
  - Perform the TESTING FOR AN INTERMITTENT CONDITION procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
CHECK THE CABIN EQUALIZATION CURVE NUMBER
1. With the scan tool in the BCM ECU Details Tab, Configuration button, record the Cabin Equalization Curve number.
2. With the scan tool in the Radio ECU Details Tab, Configuration button, record the True value.
  NOTE:
  The Cabin EQ Curve value found in the BCM should match the True value found in the Radio.
  
  Do the Cabin EQ settings match one another?
  
  Yes
  - Replace the Radio in accordance to the service information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 3
VERIFY COMMUNICATION WITH BCM
1. With the scan tool, read the active modules on the BUS.
  Does the scan tool show the BCM active on the BUS?
  
  Yes
  - Go To 4
  No
  - Refer to DIAGNOSIS AND TESTING and perform the No Response From Body Control Module (BCM) diagnostic procedure.
CHECK THE BCM FOR ACTIVE DTCs
1. With the scan tool, erase BCM DTCs.
2. Turn the ignition off. Wait approximately 10 seconds.
3. Turn the ignition on.
4. With the scan tool, read BCM DTCs and record on the repair order.
  Are any active DTCs present?
  
  Yes
  - Repair BCM DTCs. and perform the appropriate diagnostic procedure. Refer to DIAGNOSTIC CODE INDEX .
  No
  - Replace the Body Control Module (BCM) in accordance with the Service Information. Refer to MODULE, BODY CONTROL (BCM), REMOVAL AND INSTALLATION .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .