AIR FUEL RATIO (A/F) SENSOR REMOVAL/INSTALLATION [MZR-CD (RF Turbo)]

id0140f1899700

  Warning
  • A hot engine and exhaust system can cause severe burns. Turn off the engine and wait until they are cool before removing the exhaust system.

  Note
  • If the A/F sensor is replaced, always perform each adjustment procedure using the following steps.

  STEP | ACTION | PAGE/CONDITION
  --- | --- | ---
  1 | Replace the A/F sensor. | –
  2 | Turn the engine switch on. | –
  3 | Perform A/F sensor data reset procedure. | (See AIR FUEL RATIO (A/F) SENSOR DATA RESET [MZR-CD (RF Turbo)].)
  4 | Start the engine. | Verify that the MIL dose not illuminate.
  5 | Turn the engine switch off. | –
  6 | Turn the engine switch on (Engine off). | –
  7 | Perform KOEO self-test procedure. | (See KOEO/KOER SELF TEST [MZR-CD (RF Turbo)].)
  8 | Turn the engine switch off. | –
  9 | Wait for 20 s. | –
  10 | Start the engine. | –
  11 | Perform KOER self-test procedure. | Warm up until the exhaust gas temperature (EXHTEMP1, EXHTEMP2, EXHTEMP3 PID) is 100 °C {212 °F} or more. (See KOEO/KOER SELF TEST [MZR-CD (RF Turbo)].)
  12 | Perform diesel particulate filter regeneration procedure. | Engine coolant temperature 70 °C {158 °F} or more. (See DIESEL PARTICULATE FILTER REGENERATION [MZR-CD (RF Turbo)].)
  13 | Perform repair verification drive mode. | (See OBD DRIVE MODE [MZR-CD (RF Turbo)].)
  14 | Verify that O2S11_CAL value is not 0 using the PID O2S11_CAL ― If the value is 0, return to the previous step. | –
  15 | Turn the engine switch off. | –

1. Disconnect the negative battery cable.

2. Disconnect the A/F sensor connector.

3. Remove in the order indicated in the table.

am6zzw00004725

1 | A/F sensor (See A/F Sensor Removal Note) (See A/F Sensor Installation Note)

4. Install in the reverse order of removal.

A/F Sensor Removal Note

1. Remove the A/F sensor using the SST.

am6zzw00004726

A/F Sensor Installation Note

1. Install the A/F sensor using the SST, and tighten the A/F sensor and nuts in the order shown in the figure.

am6zzw00004726

am6zzw00004727