Diagnostic Test

TEST FOR POOR CONNECTIONS OR INTERMITTENT CONDITIONS
1. Turn the ignition on.
2. With the scan tool, generate and record the Vehicle Scan Report.
3. With the scan tool, erase DTCs.
4. Turn the ignition off.
5. Wait for 10 seconds.
6. Turn the ignition on and start the engine.
7. Operate the vehicle in the conditions that set this DTC.
8. With the scan tool, read Radio DTCs.
  Did the DTC return?
  
  Yes
  - Go to 2
  No
  - The conditions that originally set this DTC are not present in the moment. Refer to the Wiring Information and check all related connectors for signs of water intrusion, corrosion, bent or spaced connectors and proper pin voltage. If no problem is found, the test is complete. Perform the TESTING FOR AN INTERMITTENT CONDITION. Refer to TESTING FOR AN INTERMITTENT CONDITION .
CHECK FOR SHORT CIRCUIT TO GROUND, VOLTAGE OR OPEN CIRCUIT
1. Perform the Tests for short to voltage in the DIAGNOSTIC TEST USING VOLTMETER AND OHMMETER on the audio antenna circuit.
  Is there any problem?
  
  Yes
  - Repair as needed.
  No
  - Go to 3
CHECK THE AUDIO ANTENNA
1. Turn the ignition off.
2. Replace the audio antenna for a faultless one (replacement for test).
3. Turn the ignition on.
4. With the scan tool, erase DTCs from the Radio.
5. Operate the vehicle in the conditions that set this DTC.
6. With the scan tool, read DTCs from the Radio.
  Did the DTC return?
  
  Yes
  - Go to 4
  No
  - Replace the audio antenna in accordance with Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE RADIO HARNESS CONNECTIONS
1. Disconnect all Radio harness connectors.
2. Disconnect all related in-line harness connectors (if equipped).
3. Disconnect all related systems harness connectors.
4. Check the harness and components connectors and the male female terminals for the following conditions
  - Proper connector installation.
  - Apparently damaged connectors lock.
  - Corrosion.
  - Water contact signs.
  - If the weatherproof protection is damaged (If equipped).
  - Bent terminals.
  - Overheating due to poor connection (terminal should be colorless due to overheat).
  - Terminals that have been damaged due to being pushed.
  - Perform a terminal drag test on each terminal to verify proper terminal tension.
5. Repair any damage found on step 4.
6. Reconnect all Radio harness connectors. Make sure all the connectors are fully seated and the connector locks are fully engaged.
7. Reconnect all the in-line harness connectors (if equipped). Make sure all the connectors are fully seated and the connector locks are fully engaged.
8. Reconnect all the harness related connectors. Make sure the connectors are fully seated.
9. With the scan tool, erase all DTCs.
10. Operate the vehicle in the conditions that set this DTC.
11. With the scan tool, read the Radio DTCs.
  Did the DTC return?
  
  Yes
  - Replace the Radio in accordance with the Service Information.
    Refer to RADIO, 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 .