DTC Confirmation Procedure

DTC P0191 is displayed with DTCs related to crankshaft position sensor, first perform the trouble diagnosis of DTCs.

Is applicable DTC detected?

YES

Perform diagnosis of applicable.

NO

GO TO 2.

If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

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 less than 1/8 full of fuel.

GO TO 3.

1. Start the engine and warm it up to the normal operating temperature.
   NOTE: Warm up the engine until "COOLANT TEMP/S" in "DATA MONITOR" mode in "ENGINE" of CONSULT reaches at least 70 deg.C (158 deg.F).
2. Turn the ignition switch OFF and cool the engine until the engine coolant temperature reaches 35 deg.C (95 deg.F) or less.
   CAUTION:

   • The difference between air temperature and engine coolant temperature must be 5 deg.C (9 deg.F) or less.
   • Never turn ignition switch ON.
3. Turn ignition switch ON and wait at least 60 seconds.
4. Check 1st trip DTC.

Is 1st trip DTC detected?

YES

Proceed to Diagnosis Procedure .

NO

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

NO

Confirmation after repair: INSPECTION END