LEMON Manuals: Even more car manuals for everyone
Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 365 (Audio/Video - Non-DTC Based Diagnostics - 2500 Hd & 3500 Hd) >> Diagnosis And Testing >> Diagnosis And Testing Rear Camera Inoperative With RRM Display >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
  1. VERIFY OPERATION OF THE RADIO AND BACKUP LAMPS 
    1. Verify the operation of the Radio and Backup Lamps.

      Do the Radio and Backup Lamps operate correctly?

      Yes 

      • Go To  2

      No 

      • Diagnose any problems with the Radio and Backup Lamps.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  2. CHECK THE (F923) FUSED RUN RELAY OUTPUT CIRCUIT 
    1. Turn the ignition off.
    2. Apply the parking brake.
    3. Disconnect the Rear Video Camera Assembly Harness Connector.
    4. Turn the ignition on.
    5. Measure the voltage between the (F923) Fused Run Relay Output circuit and ground.

      Is battery voltage present?

      Yes 

      • Go To  3

      No 

      • Repair the (F923) Fused Run Relay Output circuit for an open or short to ground.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  3. CHECK THE (Z914) GROUND CIRCUIT 
    1. Turn the ignition off.
    2. Measure the resistance between ground and the (Z914) Ground Circuit.

      Is the resistance below 5.0 Ohms?

      Yes 

      • Go To  4

      No 

      • Repair the (Z914) Ground circuit for an open.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  4. CHECK THE (X970) CAMERA SIGNAL, THE (X971) RETURN, AND THE (X972) SHIELD CIRCUITS FOR AN OPEN CIRCUIT 
    1. Disconnect the Radio C1 harness connector.
    2. Measure the resistance of the (X970) (X971) and (X972) circuits between the Rear Camera harness connector and Radio C1 harness connectors.

      Is the resistance below 5.0 Ohms on the (X970) (X971) or (X972) circuits?

      Yes 

      • Go To  5

      No 

      • Repair the appropriate circuit for an open.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  5. CHECK THE (X970) CAMERA SIGNAL, THE (X971) RETURN, AND THE (X972) SHIELD CIRCUITS SHORTED TO GROUND 
    1. Measure the resistance between ground and the (X970) (X971) and (X972) circuits.

      Is the resistance below 5.0 Ohms on the (X970) (X971) or (X972) circuits?

      Yes 

      • Repair the appropriate circuit for a short to ground.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Replace the Rear Camera Assembly in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
scientia non olet · About LEMON Manuals