Details of Trouble Diagnosis Flowchart 1.COLLECT THE INFORMATION FROM THE CUSTOMER It is also important to clarify customer concerns before starting the inspection. Reproduce the symptom, and understand it fully. Interview the customer about the concerns carefully. In some cases, it is necessary to check the symptoms by driving the vehicle with the customer.
■ CAUTION ■
Customers are not professionals. Never assume“maybe the customer means...” or “maybe the customer mentioned this symptom.
>>GO TO 2.
2.CRUISE TEST
Start the engine and drive the vehicle.
Dose the symptom that customer concerns occur?
YES>>GO TO 3.
NO >>GO TO 4.
3.BASIC INSPECTION
Check the tire pressure for all wheels and adjust to the specified value. Refer to Tire.
Is the malfunction corrected?
YES>>INSPECTION END
NO>>GO TO 4.
4.PERFORM THE SELF-DIAGNOSIS
With CONSULT-III
Perform self-diagnosis of the low tire pressure warning control unit.
Any is DTC detected in the diagnosis results?
YES>>GO TO 6.
NO>>GO TO 5.
5.CHECK SYMPTOM
Perform trouble diagnosis for the applicable symptom. Refer to Symptom Table (GT-R certified NISSAN dealer).
Is the cause of the malfunction detected?
YES>>GO TO 7.
NO>>GO TO 9.
6.CIRCUIT DIAGNOSIS
Inspect the malfunctioning system indicated by the DTC code that is detected during self-diagnosis. Refer to DTC Index.
>>GO TO 7.
7.REPAIR WORK
Repair or replace the malfunctioning part.
>>GO TO 8.
8.PERFORM THE SELF-DIAGNOSIS

1. Erase the self-diagnosis results memory of the low tire pressure warning control unit.
2. Perform self-diagnosis of the low tire pressure warning control unit.

Is any DTC detected in the diagnosis results?
YES>>GO TO 6.
NO>>GO TO 9.
9.FINAL CHECK

1. Perform a cruise test.
2. Check that the low tire pressure warning lamp turns OFF.

Dose the tire pressure warning lamp turn OFF?
YES>>INSPECTION END
NO>>GO TO 3.