DTC Confirmation Procedure

If DTC P0088 is displayed with DTC P0090, first perform the confirmation procedure (trouble diagnosis) for DTC P0090.

Is DTC P0090 detected?

YES

Perform diagnosis for P0090. Refer to DTC Description .

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.

TESTING CONDITION:

• Before performing the following procedure, confirm that battery voltage is 11 V or more at idle.
• Before performing the following procedure, check that the fuel tank is 1/8 full of fuel.

GO TO 3.

1. Warm up the engine to the normal operating temperature and keep the engine speed at idle for 15 seconds.
   NOTE: Warm up the engine until "COOLAN TEMP/S" in "Data Monitor" mode of "ENGINE" reaches at least 70 deg. C (158 deg. F).
2. Check 1st trip DTC.

Is DTC P0088 detected?

YES

Proceed to Diagnosis Procedure .

NO

GO TO 4.

1. Cool the engine until the engine coolant temperature reaches 60 deg. C (140 deg. F) or less.
2. Start the engine and wait at least 40 seconds.
3. Check 1st trip DTC.

Is DTC P0088 detected?

YES

Proceed to Diagnosis Procedure .

NO

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

NO

Confirmation after repair: INSPECTION END