LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 101 ((Radio Frequency (RF Hub) Module - Electrical Diagnostics)) >> DTC Troubleshooting >> B259B-01-Front Right Door Handle Sense-General Electric Failure >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2016 Dodge Journey and 2015 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
  1. TEST FOR INTERMITTENT CONDITION 
    NOTE:

    Make sure the battery is fully charged.

    1. Turn the ignition on.
    2. Using the scan tool, record and erase the DTCs.
    3. With the scan tool, select: "RFH" and "System Tests".
    4. Perform the Door Handle Verification Test. This will activate the module to retest for DTCs.
    5. With the scan tool, read the Active DTCs and wait one (1) minute.

      Does the scan tool display: B259B-01-FRONT RIGHT FRONT DOOR HANDLE SENSE - GENERAL ELECTRICAL FAILURE as active?

      Yes 

      NOTE:

      Verify that the magnet is present in the Door Handle Cap. If the magnet is present, then continue with the diagnostic procedure. If the magnet is NOT present, replace the Door Handle Cap first.

      • Go To  2

      No 

      • Test complete, 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.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  2. (P400) RIGHT FRONT PASSIVE HANDLE SWITCH SENSE CIRCUIT 
    1. With the scan tool, select "RFH", "Data" and scroll to "Right Front Door Handle Power".
    2. Observe the Value field.

      What does the value field display?

      OFF 

      • Go To  3

      ON 

      • Go To  8
  3. (P400) RIGHT FRONT PASSIVE HANDLE SWITCH SENSE CIRCUIT OPEN OR SHORTED 
    1. With the scan tool, select "Diagnostic Procedures", "Reset ECU" and "RFH" and perform the routine.
    2. With the scan tool, select "RFH", "Data" and scroll to "Right Front Door Handle Power".
    3. Double click on the Value field to start the graph.
    4. Observe the graph for a pulsating line.

      Is the graph pulsating high and low on the screen?

      Yes 

      • Go To  4

      No 

      • Go To  7
  4. RIGHT FRONT EXTERIOR DOOR HANDLE (PASSIVE ENTRY) 
    1. Remove the RIGHT FRONT Exterior Door Handle and disconnect the switch harness connector. Refer to HANDLE, EXTERIOR, REMOVAL .
    2. With the scan tool, select "Diagnostic Procedures", "Reset ECU" and "RFH" and perform the routine.
    3. With the scan tool, select "RFH", "Data" and scroll to "Right Front Door Handle Power".
    4. Double click on the Value field to start the graph.
    5. Observe the graph for a pulsating line.

      Is the graph pulsating between high and low on the screen?

      Yes 

      • Go To  5

      No 

      • Replace the RIGHT FRONT Exterior Door Handle in accordance with the Service Information. Refer to HANDLE, EXTERIOR, INSTALLATION .
      • With the scan tool, select "Diagnostic Procedures", "Reset ECU" and "RFH" and perform the routine.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  5. (P400) RIGHT FRONT PASSIVE HANDLE SWITCH SENSE WIRE SHORTED TO GROUND 
    Fig 1: Checking Passenger Passive Handle Switch Sense Wire For Short To Ground
    GC0143499Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off.
    2. Disconnect the Radio Frequency Hub (RF Hub) Module C2 harness connector.
    3. Check the connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension. Repair as necessary. If repairs were made, return to Step Refer to  1.
    4. Measure the resistance between ground and the (P400) RIGHT FRONT Passive Handle Switch Sense wire in the Handle Switch harness connector.

      Is the resistance below 30K Ohms?

      Yes 

      • Repair the short to ground in the (P400) RIGHT FRONT Passive Handle Switch Sense circuit.
      • With the scan tool, select "Diagnostic Procedures", "Reset ECU" and "RFH" and perform the routine.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  6
  6. (P400) RIGHT FRONT PASSIVE HANDLE SWITCH SENSE CIRCUIT SHORTED TO THE (P401) RIGHT FRONT PASSIVE HANDLE SWITCH RETURN CIRCUIT 
    Fig 2: Measuring Resistance Between Passenger Passive Handle Switch Sense Circuit & Passenger Passive Handle Switch Return Circuit
    GC0150337Courtesy of CHRYSLER GROUP, LLC
    1. Measure the resistance between the (P400) RIGHT FRONT Passive Handle Switch Sense circuit and the (P401) RIGHT FRONT Passive Handle Switch Return circuit.

      Is the resistance below 30K Ohms?

      Yes 

      • Repair the short between the (P400) RIGHT FRONT Passive Handle Switch Sense circuit and the (P401) RIGHT FRONT Passive Handle Switch Return circuit.
      • With the scan tool, select "Diagnostic Procedures", "Reset ECU" and "RFH" and perform the routine.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Replace the Radio Frequency Hub (RF Hub) Module in accordance with the Service Information. If this vehicle is equipped with a Steering Column Lock Module (BUX), it must also be replaced in accordance with the Service Information. When replacing the RF-Hub and the Steering Column Lock Module, the RF-Hub MUST be programmed BEFORE the Steering Column Lock Module (ELV) is programmed. Refer to MODULE, RADIO FREQUENCY (RF HUB), REMOVAL .
      • Replace the Steering Column Lock Module (ELV/ESCL) in accordance with the Service Information. Refer to MODULE, SHAFT LOCK, REMOVAL .
      • Perform the RADIO FREQUENCY HUB VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  7. (P400) RIGHT FRONT PASSIVE ENTRY HANDLE SWITCH SENSE CIRCUIT 
    1. Continue with the scan tool still on "Right Front Door Handle Power".
    2. Observe the Value field.

      What does the value field display?

      OFF 

      • Replace the Radio Frequency Hub (RF Hub) Module in accordance with the Service Information. If this vehicle is equipped with a Steering Column Lock Module (BUX), it must also be replaced in accordance with the Service Information. When replacing the RF-Hub and the Steering Column Lock Module, the RF-Hub MUST be programmed BEFORE the Steering Column Lock Module (ELV) is programmed. Refer to MODULE, RADIO FREQUENCY (RF HUB), REMOVAL .
      • Replace the Steering Column Lock Module (ELV/ESCL) in accordance with the Service Information. Refer to MODULE, SHAFT LOCK, REMOVAL .
      • Perform the RADIO FREQUENCY HUB VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      ON 

      • Test complete, 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.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  8. RIGHT FRONT PASSIVE ENTRY HANDLE SWITCH SENSE OR RETURN CIRCUIT OPEN 
    1. Continue with the scan tool still on "Right Front Door Handle Power".
    2. Double click on the Value field to start the graph.
    3. Observe the graph for a pulsating line.

      Is the graph pulsating between high and low on the screen?

      Yes 

      • Go To  4

      No 

      • Go To  9
  9. TEST HANDLE FUNCTIONS 
    1. Stop the graph.
    2. Lower the RIGHT FRONT door window.
    3. Turn the ignition off.
    4. Have the FOBIK outside and within 10 cm. to 1.5 m. (4 in. to 5 ft.) of the RIGHT FRONT door handle.
      NOTE:

      In the next steps, wait two (2) seconds between each Lock and Unlock activation as there is a two second delay after each Lock action.

    5. With the scan tool, select "RFH", "Data" and scroll to "Passive Entry Function Carried Out".
    6. Press the Lock button and observe "Passive lock at right front door".
    7. Grab the door handle and observe "Passive entry at right front door".
    8. Repeat steps 6 and 7 two more times.

      Is the module receiving the inputs on the screen as you do them?

      Yes 

      • Test complete, 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.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  10
  10. HANDLE OR CIRCUIT PROBLEM 
    Fig 3: Measuring Voltage Between Passenger Passive Handle Switch Return & Passenger Passive Handle Sense Circuits
    GC0143640Courtesy of CHRYSLER GROUP, LLC
    1. Disconnect the RIGHT FRONT Exterior Door Handle Switch harness connector. Refer to HANDLE, EXTERIOR, REMOVAL .
    2. Measure the voltage between the (P401) RIGHT FRONT Passive Handle Switch Return and the (P400) RIGHT FRONT Passive Handle Sense circuits in the RIGHT FRONT Exterior Door Handle Switch connector.

      Is the voltage above 11.8 volts?

      Yes 

      • Replace the RIGHT FRONT External Door Handle in accordance with the Service Information. Refer to HANDLE, EXTERIOR, INSTALLATION .
      • With the scan tool, select "Diagnostic Procedures", "Reset ECU" and "RFH" and perform the routine.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  11
  11. (P401) RIGHT FRONT PASSIVE HANDLE SWITCH RETURN CIRCUIT OPEN 
    Fig 4: Measuring Resistance Between Ground Passenger Passive Handle Switch Return Circuit
    GC0150341Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off.
    2. Remove the RIGHT FRONT Exterior Door Handle and disconnect the switch harness connector. Refer to HANDLE, EXTERIOR, REMOVAL .
    3. Measure the resistance between ground and the (P401) RIGHT FRONT Passive Handle Switch Return circuit.

      Is the resistance below 12.0 Ohms?

      Yes 

      • Go To  14

      No 

      • Go To  12
  12. (P401) RIGHT FRONT PASSIVE HANDLE SWITCH RETURN WIRE OPEN 
    Fig 5: Checking Passenger Passive Handle Switch Return Wire For Open
    GC0150340Courtesy of CHRYSLER GROUP, LLC
    1. Disconnect the Radio Frequency Hub (RF Hub) Module C2 Harness connector.
    2. Check the connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension. Repair as necessary. If repairs were made, return to Step. Refer to  1.
    3. Measure the resistance of the (P401) RIGHT FRONT Passive Handle Switch Return circuit between the RF Hub Module C2 harness connector and the RIGHT FRONT Exterior Door Handle Switch harness connector.

      Is the resistance below 2.0 Ohms?

      Yes 

      • Go To  13

      No 

      • Repair the open in the (P401) RIGHT FRONT Passive Handle Switch Return wire.
      • With the scan tool, select "Diagnostic Procedures", "Reset ECU" and "RFH" and perform the routine.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  13. GROUND WIRE OPEN 
    Fig 6: Checking Ground Wire For Open
    GC0143457Courtesy of CHRYSLER GROUP, LLC
    1. Disconnect the Radio Frequency Hub (RF Hub) Module C1 Harness connector.
    2. Check the connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension. Repair as necessary. If repairs were made, return to Step. Refer to  1.
    3. Using a 12-volt test light connected to 12-volts, check the RF-Hub Ground circuit in the C1 connector.
      NOTE:

      The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery.

      Does the test light illuminate brightly?

      Yes 

      • Replace the Radio Frequency Hub (RF Hub) Module in accordance with the Service Information. If this vehicle is equipped with a Steering Column Lock Module (BUX), it must also be replaced in accordance with the Service Information. When replacing the RF-Hub and the Steering Column Lock Module, the RF-Hub MUST be programmed BEFORE the Steering Column Lock Module (ELV) is programmed. Refer to MODULE, RADIO FREQUENCY (RF HUB), REMOVAL .
      • Replace the Steering Column Lock Module (ELV/ESCL) in accordance with the Service Information. Refer to MODULE, SHAFT LOCK, REMOVAL .
      • Perform the RADIO FREQUENCY HUB VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Repair the open in the RF-Hub Ground circuit.
      • With the scan tool, select "Diagnostic Procedures", "Reset ECU" and "RFH" and perform the routine.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  14. (P400) RIGHT FRONT PASSIVE HANDLE SWITCH SENSE WIRE OPEN 
    Fig 7: Checking Passenger Passive Handle Switch Sense Wire For Open
    GC0150338Courtesy of CHRYSLER GROUP, LLC
    1. Disconnect the RF Hub Module C2 harness connector.
    2. Check the connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension. Repair as necessary. If repairs were made, return to Step. Refer to  1.
    3. Measure the resistance of the (P400) RIGHT FRONT Passive Handle Switch Sense wire between the RF Hub C2 harness connector and the RIGHT FRONT Exterior Door Handle Switch harness connector.

      Is the resistance below 2.0 Ohms?

      Yes 

      • Go To  15

      No 

      • Repair the open in the (P400) RIGHT FRONT Passive Handle Sense wire.
      • With the scan tool, select "Diagnostic Procedures", "Reset ECU" and "RFH" and perform the routine.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  15. (P400) RIGHT FRONT PASSIVE HANDLE SWITCH SENSE WIRE SHORT TO VOLTAGE 
    Fig 8: Checking Passenger Passive Handle Switch Sense Wire For Short To Voltage
    GC0143500Courtesy of CHRYSLER GROUP, LLC
    1. Measure the voltage between ground and the (P400) RIGHT FRONT Passive Handle Switch Sense circuit in the C2 connector.

      Is there any voltage present?

      Yes 

      • Repair the short to voltage in the (P400) RIGHT FRONT Passive Handle Sense circuit.
      • With the scan tool, select "Diagnostic Procedures", "Reset ECU" and "RFH" and perform the routine.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Replace the Radio Frequency Hub (RF Hub) Module in accordance with the Service Information. If this vehicle is equipped with a Steering Column Lock Module (BUX), it must also be replaced in accordance with the Service Information. When replacing the RF-Hub and the Steering Column Lock Module, the RF-Hub MUST be programmed BEFORE the Steering Column Lock Module (ELV) is programmed. Refer to MODULE, RADIO FREQUENCY (RF HUB), REMOVAL .
      • Replace the Steering Column Lock Module (ELV/ESCL) in accordance with the Service Information. Refer to MODULE, SHAFT LOCK, REMOVAL .
      • Perform the RADIO FREQUENCY HUB VERIFICATION TEST. Refer to STANDARD PROCEDURE .
scientia non olet · About LEMON Manuals