Nissan Sentra Service Manual: Diagnosis and repair workflow

Nissan Sentra Service Manual / Body exterior, doors, roof & vehicle security / Roof / Basic inspection / Diagnosis and repair workflow

Work flow

Overall sequence

Detailed flow

Detailed flow

1. Obtain information about symptom

Interview the customer to obtain as much information as possible about the conditions and environment under which the malfunction occurred.

>> GO TO 2.

2. Confirm concern

Check the malfunction on the vehicle that the customer describes.

Inspect the relation of the symptoms and the condition when the symptoms occur.

>> Go to 3.

3. Identify the malfunctioning system with symptom diagnosis

Use Symptom diagnosis from the symptom inspection result in step 2 and then identify where to start performing the diagnosis based on possible causes and symptoms.

>> GO TO 4.

4. Perform the component diagnosis of the applicable system

Perform the diagnosis with Component diagnosis of the applicable system.

>> GO TO 5.

5. Repair or replace the malfunctioning parts

Repair or replace the specified malfunctioning parts.

>> Go to 6.

6. Final check

Check that malfunctions are not reproduced when obtaining the malfunction information from the customer, referring to the symptom inspection result in step 2.

Are the malfunctions corrected? Yes >> inspection end.

No >> go to 3.

Inspection and adjustment

Additional service when replacing control unit Additional service when replacing control unit : description Memory reset procedure Please observe the following instructions at confirming the moo ...

Other materials:

Multiport Fuel Injection System or Engine Control System
Before connecting or disconnecting any harness connector for the multiport fuel injection system or ECM: Turn ignition switch to вЂњOFFвЂќ position. Disconnect negative battery terminal. Otherwise, there may be damage to ECM. Before disconnecting pressurized fuel line from ...

Clutch pedal
Inspection and Adjustment INSPECTION The Height of Clutch Pedal Pull back the floor trim and remove front floor spacer (LH) for access to floor panel. Check that the clutch pedal height (H1) from the floor panel (1) is within the reference value. Clutch pedal height (H1) Replace ...

P0524 Engine oil pressure
DTC Logic DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause P0524 ENGINE OIL PRESSURE (Engine oil pressure too low) An EOP sensor signal voltage applied to ECM remains lower than the specified ...