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Home >> Honda >> 2010 >> Pilot EX, 3.5 4 >> Repair and Diagnosis >> Engine Performance >> System >> PGM-FI System >> DTC Troubleshooting >> DTC P0133, P0153: Rear A/F Sensor (Bank 1, Sensor 1) Circuit Slow Response; Front A/F Sensor (Bank 2, Sensor 1) Circuit Slow Response
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DTC P0133, P0153: Rear A/F Sensor (Bank 1, Sensor 1) Circuit Slow Response; Front A/F Sensor (Bank 2, Sensor 1) Circuit Slow Response

NOTE:
  • Before you troubleshoot, record all freeze data and any on-board snapshot, and review GENERAL TROUBLESHOOTING INFORMATION .
  • If DTC P0139 and/or P0159* is stored at the same time as DTC P0133 and/or P0153*, troubleshoot DTC P0139 and/or P0159* first, then recheck for DTC P0133 and/or P0153*.
  • Information marked with an asterisk (*) applies to the front bank (Bank 2).
  1. Turn the ignition switch to ON (II).
  2. Clear the DTC with the HDS.
  3. Start the engine. Hold the engine speed at 3, 000 rpm without load (in P or N) until the radiator fan comes on, then let it idle.
  4. Test-drive under these conditions:
    • Engine coolant temperature (ECT SENSOR 1) above 158°F (70°C)
    • Transmission in D
    • Engine speed between 1, 250 rpm and 2, 350 rpm
    • Drive the vehicle at 25 mph (40 km/h) or less for 5 minutes, then drive at a steady speed about 33 mph (52 km/h) or more
  5. Monitor the OBD STATUS for DTC P0133 and/or P0153* in the DTCs MENU with the HDS.

    Does the HDS indicate FAILED? 

    YES  - Go to step  6.

    NO  - If the HDS indicates PASSED, intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM. If the HDS indicates EXECUTING, keep driving until a result comes on. If the HDS indicates OUT OF CONDITION, Go to step  3 and recheck.

  6. Turn the ignition switch to LOCK (0).
  7. Replace the A/F sensor (Sensor 1) (see A/F SENSOR REPLACEMENT  ).
  8. Turn the ignition switch to ON (II).
  9. Reset the PCM with the HDS.
  10. Do PCM IDLE LEARN PROCEDURE .
  11. Start the engine. Hold the engine speed at 3, 000 rpm without load (in P or N) until the radiator fan comes on, then let it idle.
  12. Test-drive under these conditions:
    • Engine coolant temperature (ECT SENSOR 1) above 158°F (70°C)
    • Transmission in D
    • Engine speed between 1, 250 rpm and 2, 350 rpm
    • Drive the vehicle at 25 mph (40 km/h) or less for 5 minutes, then drive at a steady speed about 33 mph (52 km/h) or more
  13. Check for Pending or Confirmed DTCs with the HDS.

    Is DTC P0133 and/or P0153* indicated? 

    YES  - Check for poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM, then go to step  1.

    NO  - Go to step  14.

  14. Monitor the OBD STATUS for DTC P0133 and/or P0153* in the DTCs MENU with the HDS.

    Does the HDS indicate PASSED? 

    YES  - Troubleshooting is complete. If any other Pending or Confirmed DTCs were indicated in step  13, go to the indicated DTC's troubleshooting. ■

    NO  - If the HDS indicates FAILED, check for poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM, then go to step  1. If the HDS indicates EXECUTING, keep driving until a result comes on. If the HDS indicates OUT OF CONDITION, go to step  11.

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