Confirmation Procedure

If DTC P0128 is displayed with DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 or P0308, first perform the trouble diagnosis for P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 or P0308.

Is applicable DTC detected?

YES

Perform diagnosis of applicable. Refer to DTC Index .

NO

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.

GO TO 3.

With CONSULT

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

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

3. Select "DATA MONITOR" mode of "ENGINE" using CONSULT.
4. Check the following conditions:

   COOLANT TEMP/S

   [(-10 deg.C) - (+52 deg.C) (14 - 126 deg.F)]

Is the condition satisfied?

YES

GO TO 4.

NO

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 23 deg.C (73 deg.F).

      COOLANT TEMP/S	68 deg.C (154 deg.F) or less
      FUEL T/TMP SE	Less than the value calculated by subtracting 28 deg.C (82 deg.F) from "COOLANT TEMP/S".*

      *: Example
      
      

      COOLANT TEMP/S	FUEL T/TMP SE
      65 deg.C (149 deg.F)	37 deg.C (99 deg.F) or less
      60 deg.C (140 deg.F)	32 deg.C (89 deg.F) or less

   2. STEP 2

      Drive the vehicle at 60 km/h (37 MPH) or more with the difference between "COOLANT TEMP/S" and "FUEL T/TMP SE" maintained at 28 deg.C (82 deg.F) or more.

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

      Drive the vehicle at 60 km/h (37 MPH) or more until "COOLANT TEMP/S" increases by 6 deg.C (43 deg.F).

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

Is the condition satisfied?

YES

GO TO 5.

NO

GO TO 2.

With CONSULT

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

   COOLANT TEMP/S

   68 deg.C (154 deg.F) or more

   CAUTION: Always drive vehicle at safe speed.
2. Check 1st trip DTC.

Is 1st trip DTC detected?

YES

Refer to DTC Diagnosis Procedure .

NO

INSPECTION END