Infiniti QX56 (Z62). Manual - part 143

BRAKE CONTROL SYSTEM

BRC-57

< WIRING DIAGRAM >

[WITH VDC]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

JCFWM0631GB

BRC-58

< WIRING DIAGRAM >

[WITH VDC]

BRAKE CONTROL SYSTEM

JCFWM0632GB

BRAKE CONTROL SYSTEM

BRC-59

< WIRING DIAGRAM >

[WITH VDC]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

JCFWM0633GB

BRC-60

< BASIC INSPECTION >

[WITH VDC]

DIAGNOSIS AND REPAIR WORK FLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORK FLOW

Work Flow

INFOID:0000000006222585

DETAILED FLOW

1.

INTERVIEW FROM THE CUSTOMER

Clarify customer complaints before inspection. First of all, perform an interview utilizing 

BRC-61, "Diagnostic

Work Sheet"

 and reproduce the symptom 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 fail-safe mode. Refer to 

BRC-47, "Fail-

safe"

.

CAUTION:

When the symptom is caused by normal operation, fully inspect each portion and obtain the under-
standing of customer that the symptom is not caused by a malfunction.

>> GO TO 3.

3.

PERFORM THE SELF-DIAGNOSIS

With CONSULT-III.

Perform self-diagnosis for “ABS”.
Is DTC detected?

YES

>> Record or print self-diagnosis results. GO TO 4.

NO

>> GO TO 6.

4.

RECHECK THE SYMPTOM

With CONSULT-III.

1.

Erase self-diagnostic results for “ABS”.

2.

Perform DTC confirmation procedures for the error-detected system.
NOTE:
If some DTCs are detected at the some time, determine the order for performing the diagnosis based on

BRC-50, "DTC Inspection Priority Chart"

 [ABS actuator and electric unit (control unit)].

Is any DTC detected?

YES

>> GO TO 5.

NO

>> Check harness and connectors based on the information obtained by interview. Refer to 

GI-40,

"Intermittent Incident"

.

5.

REPAIR OR REPLACE ERROR-DETECTED PART

• Repair or replace error-detected parts.
• Reconnect part or connector after repairing or replacing.
• When DTC is detected, erase self-diagnostic result for “ABS”.

>> 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?