DTC Confirmation Procedure

If DTC P0128 is displayed with DTC P0300, P0301, P0302, P0303, P0304, P0305 or P0306, first perform the confirmation procedure (trouble diagnosis) for DTC P0300, P0301, P0302, P0303, P0304, P0305 or P0306.

Is DTC P0300, P0301, P0302, P0303, P0304, P0305 or P0306 detected?

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Perform diagnosis of applicable. Refer to DTC Description .

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GO TO 2.

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.

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GO TO 3.

With CONSULT

1. Turn ignition switch ON.
2. Check the following conditions:

   Ambient temperature	-10°C (14°F) or more
   A/C switch	OFF
   Blower fan switch	OFF

3. On CONSULT screen, select "ENGINE">>"Data Monitor">>"COOLANT TEMP/S".
4. Check the following conditions:

   COOLANT TEMP/S

   -10°C - 55°C (14 - 131°F)

Is the condition satisfied?

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GO TO 4.

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1. Satisfy the condition.
2. GO TO 4.

With CONSULT

1. Start engine.
2. Drive the vehicle until the following condition is satisfied.
   CAUTION:

   Always drive vehicle at safe speed.

   1. STEP 1

      Drive the vehicle under the conditions instructed below until the difference between "COOLANT TEMP/S" and "FUEL T/TMP SE" becomes at least 25°C (45°F).

      COOLANT TEMP/S	74°C (165°F) or less
      FUEL T/TMP SE	Less than the value calculated by subtracting 25°C (45°F) from "COOLANT TEMP/S". *

      *: Example
      
      

      COOLANT TEMP/S	FUEL T/TMP SE
      70°C (158°F)	45°C (113°F) or less
      65°C (149°F)	40°C (104°F) or less
      60°C (140°F)	35°C (95°F) or less

   2. STEP 2

      Drive the vehicle at 50 km/h (32 MPH) or more with the difference between "COOLANT TEMP/S" and "FUEL T/TMP SE" maintained at 25°C (45°F) or more.

      NOTE: Keep the accelerator pedal as steady as possible during cruising.
   3. STEP 3

      Drive the vehicle at 50 km/h (32 MPH) or more until "COOLANT TEMP/S" increases by 6°C (43°F).

      NOTE: Keep the accelerator pedal as steady as possible during cruising.

Is the condition satisfied?

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GO TO 5.

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GO TO 2.

With CONSULT

1. Drive the vehicle until the following condition is satisfied.

   COOLANT TEMP/S

   71°C (160°F) or more

   CAUTION:

   Always drive vehicle at safe speed.

2. Check 1st trip DTC.

Is DTC P0128 detected?

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Proceed to Diagnosis Procedure .

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To check malfunction symptom before repair: Refer to Intermittent Incident .

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Confirmation after repair: INSPECTION END