Confirmation Procedure

If DTC P1423 is displayed with other DTC first perform the trouble diagnosis for other DTC.

Is applicable DTC detected?

YES>>

Perform diagnosis of applicable. Refer to DTC Index .

NO>>

GO TO 2

.

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

.

1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Select "DATA MONITOR" mode with CONSULT.
4. Check that "COOLAN TEMP/S".
   • If it is between 5°C (41°F) and 40°C (104°F) go to the following steps.
   • If it is below 5°C (41°F) warm engine up to more than 5°C (41°F) and retry from step 1.
   • If it is above 40°C (104°F) cool engine down to less than 40°C (104°F) and retry from step 1.
5. Start engine and let it idle for 5 minutes.
6. Check 1st trip DTC.

WITH GST

Follow the procedure "With CONSULT " above.

Is DTC detected?

YES>>

Refer to DTC Diagnosis Procedure .

NO-1>>

To check malfunction symptom before repair: Refer to Inspection .

NO-2>>

Confirmation after repair: INSPECTION END