LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Honda >> 2011 >> Element EX, 2.4 YH2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 161 (Parking And Back-Up Sensor System) >> DTC Troubleshooting >> DTC B2633: Front Bus Failure
September 30: LEMON manuals is back up on a temporary server! Slowness is possible

DTC B2633: Front Bus Failure

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 Honda Odyssey, 2016 Honda Odyssey, 2015 Honda Odyssey, 2014 Honda Odyssey, and 2013 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).
  1. Reconnect the parking and back-up sensor control unit 24P connector.
  2. Clear the DTCs with the HDS.
  3. Turn the ignition switch to LOCK (0), and then back to ON (II).
  4. Wait for at least 6 seconds.
  5. Check for DTCs with the HDS.

    Is DTC B2633 indicated? 

    YES  -Go to step 5.

    NO  -Intermittent failure, the system is OK at this time.

  6. Turn the ignition switch to LOCK (0).
  7. Swap the left front corner sensor and the left rear corner sensor.
  8. Swap the right front corner sensor and the right rear corner sensor.
  9. Turn the ignition switch to ON (II).
  10. Clear the DTCs with the HDS.
  11. Turn the ignition switch to LOCK (0), and then back to ON (II).
  12. Check for DTCs with the HDS.

    Is DTC B2634 indicated? 

    YES  -Go to step 13.

    NO  -Go to step  19.

  13. Turn the ignition switch to LOCK (0).
  14. Swap the left front corner sensor and the left rear corner sensor.
  15. Turn the ignition switch to ON (II).
  16. Clear the DTCs with the HDS.
  17. Turn the ignition switch to LOCK (0), and then back to ON (II).
  18. Check for DTCs with the HDS.

    Is DTC B2633 indicated? 

    YES  -Replace the left front corner sensor (see FRONT CORNER SENSOR REPLACEMENT  ).

    NO  -Replace the right front corner sensor (see FRONT CORNER SENSOR REPLACEMENT  ).

  19. Turn the ignition switch to LOCK (0).
  20. Disconnect the right front corner sensor 6P connector.
  21. Turn the ignition switch to ON (II).
  22. Measure the voltage between right front corner sensor 6P connector terminal No. 1 and body ground.
    Fig 1: Measuring Voltage Between Right Front Corner Sensor 6P Connector Terminal No. 1 And Body Ground
    G06970417Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there about 8 V? 

    YES  -Go to step 23.

    NO  -Go to step  26.

  23. Turn the ignition switch to LOCK (0).
  24. Disconnect the parking and back-up sensor control unit 24P connector.
  25. Check for continuity between right front corner sensor 6P connector terminal No. 3 and body ground.
    Fig 2: Checking Continuity Between Right Front Corner Sensor 6P Connector Terminal No. 3 And Body Ground
    G06970418Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Repair a short to ground in the wire between the right front corner sensor and the parking and back-up sensor control unit.

    NO  -Go to step  29.

  26. Turn the ignition switch to LOCK (0).
  27. Disconnect the parking and back-up sensor control unit 24P connector.
  28. Check for continuity between right front corner sensor 6P connector terminal No. 1 and body ground.
    Fig 3: Checking Continuity Between Right Front Corner Sensor 6P Connector Terminal No. 1 And Body Ground
    G06970419Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Repair a short to ground in the wire between the right front corner sensor and the parking and back-up sensor control unit.

    NO  -Repair an open or high resistance in the wire between the right front corner sensor and the parking and back-up sensor control unit.

  29. Check for continuity between parking and back-up sensor control unit 24P connector terminal No. 9 and right front corner sensor 6P connector terminal No. 3.
    Fig 4: Checking Continuity Between Parking And Back-Up Sensor Control Unit 24P Connector Terminal No. 9 And Right Front Corner Sensor 6P Connector Terminal No. 3
    G06970420Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Go to step 30.

    NO  -Repair an open or high resistance in the wire between the right rear corner sensor and the parking and back-up sensor control unit.

  30. Check for continuity between parking and back-up sensor control unit 24P connector terminal No. 21 and right front corner sensor 6P connector terminal No. 5.
    Fig 5: Checking Continuity Between Parking And Back-Up Sensor Control Unit 24P Connector Terminal No. 21 And Right Front Corner Sensor 6P Connector Terminal No. 5
    G06970421Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Go to step 31.

    NO  -Repair an open or high resistance in the wire between the right rear corner sensor and the parking and back-up sensor control unit.

  31. Reconnect the right front corner sensor 6P connector.
  32. Reconnect the parking and back-up sensor control unit 24P connector.
  33. Disconnect the left front corner sensor 6P connector.
  34. Turn the ignition switch to ON (II).
  35. Measure the voltage between left front corner sensor 6P connector terminal No. 1 and body ground.
    Fig 6: Measuring Voltage Between Left Front Corner Sensor 6P Connector Terminal No. 1 And Body Ground
    G06970422Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there about 8 V? 

    YES  -Go to step  38.

    NO  -Go to step 36.

  36. Disconnect the right front corner sensor 6P connector.
  37. Check for continuity between right front corner sensor 6P connector terminal No. 2 and left front corner sensor 6P connector terminal No. 1.
    Fig 7: Checking Continuity Between Right Front Corner Sensor 6P Connector Terminal No. 2 And Left Front Corner Sensor 6P Connector Terminal No. 1
    G06970423Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Repair a short to ground in the wire between the right front corner sensor and the left front corner sensor.

    NO  -Repair an open or high resistance in the wire between the right front corner sensor and the left front corner sensor.

  38. Turn the ignition switch to LOCK (0).
  39. Disconnect the right front corner sensor 6P connector.
  40. Disconnect the parking and back-up sensor control unit 24P connector.
  41. Check for continuity between left front corner sensor 6P connector terminal No. 3 and body ground.
    Fig 8: Checking Continuity Between Left Front Corner Sensor 6P Connector Terminal No. 3 And Body Ground
    G06970424Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Repair a short to ground in the wire between the right front corner sensor and the left front corner sensor.

    NO  -Go to step 42.

  42. Check for continuity between right front corner sensor 6P connector terminal No. 4 and left front corner sensor 6P connector terminal No. 3.
    Fig 9: Checking Continuity Between Right Front Corner Sensor 6P Connector Terminal No. 4 And Left Front Corner Sensor 6P Connector Terminal No. 3
    G06970425Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Repair an open or high resistance in the wire (GND) between the right front corner sensor and the left front corner sensor.

    NO  -Repair an open or high resistance in the wire (SIG) between the right front corner sensor and the left front corner sensor.

scientia non olet · About LEMON Manuals