Nissan Sentra manuals

Nissan Sentra Service Manual: Basic inspection

Diagnosis and repair work flow

Work flow

Overall sequence

Detailed flow


Detailed flow

1.Get information for symptom

  1. Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurs).
  2. Check operation condition of the component or system that is malfunctioning.

>> Go to 2.

2.Check dtc

  1. Check dtc.
  2. Perform the following procedure if dtc is detected.
  1. Check related service bulletins for information.

Are any symptoms described and any dtc detected? Symptom is described, dtc is detected>>go to 3.

Symptom is described, dtc is not detected>>go to 4.

Symptom is not described, dtc is detected>>go to 5.

3.Confirm the symptom

Try to confirm the symptom described by the customer.

Also study the normal operation and fail-safe related to the symptom.

Verify relation between the symptom and the condition when the symptom is detected.

>> GO TO 5.

4.Confirm the symptom

Try to confirm the symptom described by the customer.

Verify relation between the symptom and the condition when the symptom is detected.

Note:

Freeze frame data is useful if the dtc is not detected.

>> Go to 6.

5.Perform dtc confirmation procedure

Perform dtc confirmation procedure for the detected dtc, and then check that dtc is detected again. At this time, always connect consult to the vehicle, and check self diagnostic results in real time.

If two or more dtcs are detected, refer to bcs-48, "dtc inspection priority chart", and determine trouble diagnosis order.

Is dtc detected? Yes >> go to 7.

No >> refer to gi-39, "intermittent incident".

6.Detect malfunctioning system by symptom diagnosis

Detect malfunctioning system according to symptom diagnosis based on the confirmed symptom in step 4, and determine the trouble diagnosis order based on possible causes and symptom.

Is the symptom described? Yes >> go to 7.

No >> monitor input data from related sensors or check voltage of related module terminals using consult.

7.Detect malfunctioning part by diagnosis procedure

Inspect according to diagnosis procedure of the system.

Is malfunctioning part detected? Yes >> go to 8.

No >> refer to gi-39, "intermittent incident".

8.Repair or replace the malfunctioning part

  1. Repair or replace the malfunctioning part.
  2. Reconnect parts or connectors disconnected during Diagnosis Procedure again after repair and replacement.
  3. Check dtc. If dtc is detected, erase it.

>> Go to 9.

9.Final check

When DTC is detected in step 2, perform DTC CONFIRMATION PROCEDURE again, and then check that the malfunction is repaired securely.

When symptom is described by the customer, refer to confirmed symptom in step 3 or 4, and check that the symptom is not detected.

Is DTC detected and does symptom remain? YES-1 >> DTC is detected: GO TO 7.

YES-2 >> Symptom remains: GO TO 4.

NO >> Inspection End.

Wiring diagram
Power distribution system Wiring diagram ...

Dtc/circuit diagnosis
U1000 can comm circuit Description Refer to lan-7, "can communication system : system description". DTC Logic Dtc detection logic Note: U1000 can be set if a module harness was discon ...

Other materials:

Rear disc brake
Exploded View Sliding pin bolt Bushing Cap Bleeder valve Cylinder body Piston seal Piston Piston boot Sliding pin boot Torque member Apply rubber grease Apply brake fluid Disassembly and Assembly DISASSEMBLY Place a wooden block as shown, and blow air from union ...

Control cable
Exploded View Control cable Lock plate Transaxle assembly Bracket A Bracket B CVT shift selector assembly Manual lever Grommet Removal and Installation INSTALLATION CAUTION: Always apply the parking brake before performing removal and installation. Apply the p ...

Vehicle recovery (freeing a stuck vehicle)
Front (if so equipped) Do not use the hook to tow the vehicle. Remove the cover bumper bracket using a flat screwdriver or any flat tool. To protect the bumper body, place a piece of cloth between the tool and the vehicle. The tool used should be inserted by the lower portion of t ...

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