Diagnostic Test
WARNING: This page is about a different car, the 2015 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FOR AN ACTIVE DTC NOTE:
Verify that the vehicle's battery is fully charged with a DVOM and use the scan tool to compare the Battery Voltage listed under "Data" in the RFH View to that of the BCM. If the vehicle's battery is not fully charged, correct this condition before proceeding.
- Turn the ignition on.
- With the scan tool, read RF Hub DTCs and record on the repair order.
- With the scan tool, select: RF Hub, More Options and System Tests.
- Perform the RF Hub LF Antenna Verification Tests.
- With the scan tool, read RF Hub DTCs.
Is the DTC active?
Yes
- Go To 2
No
- The condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension and repair as necessary. If no problems are found, test complete.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- CHECK THE (D926) PASSIVE ENTRY ANTENNA 4 SIGNAL CIRCUIT FOR AN OPEN
- Disconnect the Passive Entry Antenna 4 harness connector.
- Measure the resistance of the (D926) Passive Entry Antenna 4 Signal circuit between the RF HUB C2 harness connector and the Passive Entry Antenna 4 harness connector.
Is the resistance below 2.0 Ohms?
Yes
- Go To 3
No
- Repair the (D926) Passive Entry Antenna 4 Signal circuit for an open.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- CHECK THE (D927) PASSIVE ENTRY ANTENNA 4 RETURN CIRCUIT FOR A OPEN
- Measure the resistance of the (D927) Passive Entry Antenna 4 Return circuit between the RF HUB C2 harness connector and the Passive Entry Antenna 4 harness connector.
Is the resistance below 2.0 Ohms?
Yes
- Go To 4
No
- Repair the (D927) Passive Entry Antenna 4 Return circuit for an open.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- Measure the resistance of the (D927) Passive Entry Antenna 4 Return circuit between the RF HUB C2 harness connector and the Passive Entry Antenna 4 harness connector.
- CHECK THE (D926) PASSIVE ENTRY ANTENNA 4 SIGNAL CIRCUIT FOR A SHORT TO THE (D927) PASSIVE ENTRY ANTENNA 4 RETURN CIRCUIT
- Check for continuity between the (D926) Passive Entry Antenna 4 Signal circuit and the (D927) Passive Entry Antenna 4 Return circuit at the RF Hub C2 harness connector.
Is there continuity between the (D926) Passive Entry Antenna 4 Signal circuit and the (D927) Passive Entry Antenna 4 Return circuit?
Yes
- Repair the (D926) Passive Entry Antenna 4 Signal circuit for a short to the (D927) Passive Entry Antenna 4 Return circuit.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Replace the Passive Entry Antenna 4 in accordance with the service information. Refer to ANTENNA, PASSIVE ENTRY, REMOVAL .
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- Check for continuity between the (D926) Passive Entry Antenna 4 Signal circuit and the (D927) Passive Entry Antenna 4 Return circuit at the RF Hub C2 harness connector.