Nissan Rogue Service Manual: Basic inspection
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow
DETAILED FLOW
1.INTERVIEW FROM THE CUSTOMER
Clarify customer complaints before inspection. First of all, perform an interview utilizing DLN-32, "Diagnostic Work Sheet" and reproduce symptoms as well as fully understand it. Ask customer about his/her complaints carefully. Check symptoms by driving vehicle with customer, if necessary.
CAUTION: Customers are not professional. Never guess easily like “maybe the customer means that...,” or “maybe the customer mentions this symptom”. >> GO TO 2.
2.CHECK SYMPTOM
Reproduce the symptom that is indicated by the customer, based on the information from the customer obtained by interview. Also check that the symptom is not caused by protection function. Refer to DLN-22, "Protection Function".
CAUTION: When the symptom is caused by normal operation, fully inspect each portion and obtain the understanding of customer that the symptom is not caused by a malfunction.
>> GO TO 3.
3.PERFORM SELF-DIAGNOSIS
With CONSULT
Perform self-diagnosis for “ALL MODE AWD/4WD”.
Is any DTC detected? YES >> Record or print self-diagnosis results. GO TO 4.
NO >> GO TO 6.
4.RECHECK SYMPTOM
With CONSULT
- Erase self-diagnostic results for “ALL MODE AWD/4WD”.
- Perform DTC confirmation procedures for the error detected system.
NOTE: If some DTCs are detected at the same time, determine the order for performing the diagnosis based on DLN- 22, "DTC Inspection Priority Chart". Is any DTC detected? YES >> GO TO 5.
NO >> Check harness and connectors based on the information obtained by interview. Refer to GI-41, "Intermittent Incident".
5.REPAIR OR REPLACE ERROR-DETECTED PARTS
- Repair or replace error-detected parts.
- Reconnect part or connector after repairing or replacing.
- When DTC is detected, erase self-diagnostic results for “ALL MODE AWD/4WD”.
>> GO TO 7.
6.IDENTIFY ERROR-DETECTED SYSTEM BY SYMPTOM DIAGNOSIS
Estimate error-detected system based on symptom diagnosis and perform inspection.
Can the error-detected system be identified?
YES >> GO TO 7.
NO >> Check harness and connectors based on the information obtained by interview. Refer to GI-41, "Intermittent Incident".
7.FINAL CHECK
With CONSULT
- Check the reference value for AWD control module.
- Recheck the symptom and check that symptom is not reproduced on the same conditions.
Is the symptom reproduced? YES >> GO TO 3.
NO >> INSPECTION END
Diagnostic Work Sheet
Description
- In general, customers have their own criteria for a problem. Therefore, it is important to understand the symptom and status well enough by asking the customer about his/her concerns carefully. To systemize all the information for the diagnosis, prepare the interview sheet referring to the interview points.
- In some cases, multiple conditions that appear simultaneously may cause a DTC to be detected.
Interview sheet sample
ADDITIONAL SERVICE WHEN REPLACING AWD CONTROL UNIT
Description
When replacing AWD control unit, unit characteristics writing is required.
Work Procedure
1.PERFORM WRITING UNIT CHARACTERISTICS
Perform writing unit characteristics of electric controlled coupling.
>> Refer to DLN-35, "Work Procedure".
UNIT CHARACTERISTICS WRITING
Description
When replacing AWD control unit, rear final drive assembly and/or electric controlled coupling, unit characteristics of electric controlled coupling writing is required.
Work Procedure
1.UNIT CHARACTERISTICS WRITING
With CONSULT
- Confirm the unit characteristics Aof electric controlled coupling.
NOTE: Unit characteristics is 12-digit alphanumeric.
- Turn the ignition switch OFF to ON.
- Select “UNIT CHARACTERISTICS WRITE” in “WORK SUPPORT” for “ALL MODE AWD/4WD”.
- Input unit characteristics.
- Select “Start”.
- Check that “UNIT CHARACTERISTICS WRITE COMPLETED” is displayed.
>> WORK END
Wiring diagram
AWD SYSTEM
Wiring Diagram
...
DTC/Circuit diagnosis
C1201 AWD CONTROL UNIT
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
C1201
CONTROLLER FAILURE
( ...
Other materials:
Service data and specifications (SDS)
Wheel Alignment (Unladen*1)
*1: Fuel, engine coolant, and lubricants are full. Spare tire, jack, hand
tools, and mats are in designated positions.
*2: Since an adjustment mechanism is not included, the value of the left and
right wheels must be used as the standard value.
Wheelarch Height ...
P0131 A/F sensor 1
DTC Description
DTC DETECTION LOGIC
To judge the malfunction, the diagnosis checks that the A/F signal computed
by ECM from the A/F sensor 1
signal is not inordinately low.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P0131
A/F SE ...
P0420 three way catalyst function
DTC Description
DTC DETECTION LOGIC
The ECM monitors the switching frequency ratio of air fuel ratio (A/F)
sensor 1 and heated oxygen sensor 2.
A three way catalyst (manifold) with high oxygen storage capacity
will indicate a low switching frequency of heated oxygen sensor 2.
As oxygen sto ...
