Infiniti QX56 (Z62). Manual - part 1208

SRC-36

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORK FLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORK FLOW

Work Flow

INFOID:0000000006219958

OVERALL SEQUENCE

DETAILED FLOW

JMHIA1324GB

DIAGNOSIS AND REPAIR WORK FLOW

SRC-37

< BASIC INSPECTION >

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1.

INTERVIEW THE CUSTOMER FOR THE SYMPTOM

Interview the customer for the symptom (the condition and the environment when the incident/malfunction
occurs).

>> GO TO 2.

2.

CHECK SYMPTOM

Check the symptom from the customer information.

>> GO TO 3.

3.

CHECK WARNING LAMP OPERATION

Check air bag warning lamp operation in the user mode. Refer to 

SRC-14, "On Board Diagnosis Function"

.

Are any malfunction detected?

YES

>> GO TO 5.

NO

>> GO TO 4.

4.

CHECK LOW VOLTAGE

Check low voltage with CONSULT-III (Special function). Refer to 

SRC-19, "CONSULT-III Function"

.

Are any malfunction detected?

YES

>> GO TO 9.

NO

>> Check intermittent incident. Refer to 

GI-40, "Intermittent Incident"

.

5.

CHECK SELF DIAGNOSTIC RESULTS

Check self diagnostic result with CONSULT-III or diagnosis mode.
If it is impossible to switch to diagnosis mode, follow the same procedure that DTC is not detected.
NOTE:
Perform the following procedure if DTC is detected.
• Record DTC (Print them out with CONSULT-III.)
• Erase self diagnostic result.
• Study the relationship between the malfunction that DTC or air bag warning lamp indicates and the symptom

that the customer describes.

• Check related service bulletins for information.
Is DTC detected?

YES

>> GO TO 6.

NO

>> GO TO 7.

6.

PERFORM DTC CONFIRMATION PROCEDURE

Perform DTC CONFIRMATION PROCEDURE for the DTC.

>> GO TO 8.

7.

PERFORM DIAGNOSIS ACCORDING TO WARNING LAMP OPERATION

1.

Check air bag warning lamp operation in the user mode. Refer to 

SRC-14, "On Board Diagnosis Func-

tion"

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2.

Perform Diagnosis Procedure for the air bag warning lamp operation. Refer to 

SRC-14, "On Board Diag-

nosis Function"

 (USER MODE).

>> GO TO 9.

8.

DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE

Inspect according to Diagnostic Procedure of the DTC.

>> GO TO 9.

9.

REPAIR OR REPLACE THE MALFUNCTION PART

SRC-38

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORK FLOW

Repair or replace the malfunctioning part.

>> GO TO 10.

10.

FINAL CHECK

Check self diagnostic result and air bag warning lamp operation in the user mode.
Is the malfunction repaired?

YES

>> INSPECTION END

NO 

>> GO TO 2.

INSPECTION AND ADJUSTMENT

SRC-39

< BASIC INSPECTION >

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INSPECTION AND ADJUSTMENT

ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT

ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description

INFOID:0000000006219959

When replacing or removing and installing passenger seat, always perform zero point reset so that Occupant
Detection System is activated normally.

ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Re-
quirement

INFOID:0000000006219960

WORK PROCEDURE WHEN REPLACING CONTROL UNIT

1.

PERFORM ZERO POINT RESET

Perform zero point reset. Refer to 

SRC-39, "ZERO POINT RESET : Special Repair Requirement"

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>>  END

ZERO POINT RESET

ZERO POINT RESET : Description

INFOID:0000000006219961

Zero point reset is an initializing procedure for occupant detection sensor that must be performed when replac-
ing or removing and installing passenger seat.
If zero point reset is not performed, the initialization is incomplete and Occupant Detection System does not
operate normally.
NOTE:
• When replacing passenger seat with a NISSAN genuine part, air bag warning lamp blinks if zero point reset

is incomplete.

• When zero point reset is performed once after removal and installation of passenger seat, CONSULT-III dis-

plays “complete” and air bag warning does not blink.

• When reinstalling passenger seat after removal, the initial value for occupant detection sensor changes, and

Occupant Detection System does not operate normally.

• Always perform zero point reset after performing the work as per the following. 
- Reinstallation of passenger seat
- Replacement of passenger seat with a seat that is zero point reset complete.

ZERO POINT RESET : Special Repair Requirement

INFOID:0000000006219962

1.

PERFORM ZERO POINT RESET

1.

Perform zero point reset.
NOTE:
When performing zero point reset, be careful of the items described as per the following.
• Perform zero point reset after installing passenger seat to the vehicle
• Do not put any objects on passenger seat
• Do not apply excessive vibration to the vehicle
• Do not touch the vehicle
• Do not tilt the vehicle

2.

Select start on “Zero point reset function” screen from, WORK SUPPORT of CONSULT-III “OCCUPANT
DETECTION”.

3.

“Zero point reset” starts. 

>> GO TO 2.

2.

CONFIRMATION OF SETTING

1.

Proceed to “Zero point reset function” screen from work support of CONSULT-III “OCCUPANT DETEC-
TION”.

2.

Check that “Complete” or “Incomplete” is displayed on “Zero point reset status”.

CAUTION: