Nissan March K13. Manual - part 667

WCS

BCM (BODY CONTROL MODULE)

WCS-29

< ECU DIAGNOSIS INFORMATION >

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BCM (BODY CONTROL MODULE)

List of ECU Reference

INFOID:0000000005887684

ECU

Reference

BCM

With intelligent key models

BCS-18, "Reference Value"

BCS-37, "Fail-safe"

BCS-39, "DTC Inspection Priority Chart"

BCS-40, "DTC Index"

Without intelligent key models

BCS-72, "Reference Value"

BCS-85, "Fail-safe"

BCS-85, "DTC Inspection Priority Chart"

BCS-86, "DTC Index"

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< WIRING DIAGRAM >

WARNING CHIME SYSTEM

WIRING DIAGRAM

WARNING CHIME SYSTEM

Wiring Diagram

INFOID:0000000005887685

For connector terminal arrangements, harness layouts, and alphabets in a

(option abbreviation; if not

described in wiring diagram), refer to 

GI-12, "Connector Information"

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JCNWM3066GB

WCS

DIAGNOSIS AND REPAIR WORKFLOW

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< BASIC INSPECTION >

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BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

INFOID:0000000005887687

OVERALL SEQUENCE

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.

CHECK SYMPTOM

• Check the symptom based on the information obtained from the customer.
• Check if any other malfunctions are present.

>> GO TO 3.

3.

CHECK CONSULT-III SELF-DIAGNOSIS RESULTS

Connect CONSULT-III and perform self-diagnosis. Refer to 

MWI-18, "CONSULT-III Function"

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JSNIA0733GB

WCS-32

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORKFLOW

Are self-diagnosis results normal?

YES

>> GO TO 4.

NO

>> GO TO 5.

4.

NARROW DOWN MALFUNCTIONING PARTS BY SYMPTOM DIAGNOSIS

Perform symptom diagnosis and narrow down the malfunctioning parts.

>> GO TO 5.

5.

REPAIR OR REPLACE MALFUNCTIONING PARTS

Repair or replace malfunctioning parts.
NOTE:
If DTC is displayed, erase DTC after repairing or replacing malfunctioning parts.

>> GO TO 6.

6.

FINAL CHECK

Check that the warning buzzer in the combination meter operates normally.

Does it operate normally?

YES

>> INSPECTION END

NO

>> GO TO 1.