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Home >> Honda >> 2005 >> Pilot EX >> Repair and Diagnosis >> Engine Performance >> System >> PGM-FI System >> DTC Troubleshooting >> DTC P0133, P0153: Rear/Front A/F Sensor (Bank 2, Sensor 1) Slow Response
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DTC P0133, P0153: Rear/Front A/F Sensor (Bank 2, Sensor 1) Slow Response

NOTE:
  • 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.
  1. Turn the ignition switch ON (II).
  2. Clear the DTC with the HDS.
  3. Start the engine. Hold the engine speed at 3,000 rpm withtout load (in Park or neutral) until the radiator fan comes on, then let it idle.
  4. Test-drive under these conditions:
    • Engine coolant temperature above 176°F (80°C)
    • A/T in D position
    • Drive the vehicle speed at 25 mph (40 km/h) or less for 5 minutes, then drive at steady speed between 26 mph (41 km/h) and 81 mph (130 km/h)
  5. Monitor the OBD STATUS for DTC P0133 and/or P0153* in the DTCs MENU with the HDS.

    Does the screen indicate FAILED? 

    YES  - Go to step 6.

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

  6. Turn the ignition switch OFF.
  7. Replace A/F sensor (Sensor 1) (see A/F SENSOR REPLACEMENT  ).
  8. Turn the ignition switch ON (II).
  9. Reset the PCM with the HDS.
  10. Do the PCM idle learn procedure (see PCM IDLE LEARN PROCEDURE ).
  11. Start the engine. Hold the engine speed at 3,000 rpm without load (in Park or neutral) until the radiator fan comes on, then let it idle.
  12. Test-drive under these conditions:
    • Engine coolant temperature above 176°F (80°C)
    • A/T in D position
    • Drive the vehicle speed at 25 mph (40 km/h) or less for 5 minute, then drive at steady speed between 26 mph (41 km/h) and 81 mph (130 km/h)
  13. Check for Temporary DTCs or DTCs with the HDS.

    Are any Temporary DTCs or DTCs indicated? 

    YES  - If DTC P0133 and/or P0153* is indicated, check for poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM, then go to step  1. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC'S TROUBLESHOOTING .

    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 screen indicate PASSED? 

    YES  - Troubleshooting is complete.

    NO  - If the screen 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 screen indicates EXECUTING, keep driving until a result comes on. If the screen indicates OUT OF CONDITION, go to step  11 and recheck.

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