Nissan Sentra manuals

Nissan Sentra Service Manual: 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.

Basic inspection
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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:

C1604 Torque sensor
DTC Logic DTC DETECTION LOGIC DTC Display item Malfunction detected condition Possible cause C1604 TORQUE SENSOR When torque sensor output signal is malfunctioning Harness or connector Torque sensor EPS control unit DTC CONFIRMATION ...

Thermostat and thermostat housing
Exploded View Thermostat housing Gasket Rubber ring Thermostat Water inlet Clamp Radiator hose (upper) To radiator WARNING: Do not remove the radiator cap when the engine is hot. Serious burns could occur from high-pressure engine coolant escaping from the radiator. ...

Diagnosis description : driving pattern
DRIVING PATTERN A Driving pattern A means a trip satisfying the following conditions. Engine speed reaches 400 rpm or more. Engine coolant temperature rises by 20В°C (36В°F) or more after starting the engine. Engine coolant temperature reaches 70В°C (158В°F) or more. The igniti ...

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