Nissan Note E12. Manual - part 63

BCS-56

< BASIC INSPECTION >

INSPECTION AND ADJUSTMENT

Confirm that each function controlled by BCM operates normally.

>> Work End.

CONFIGURATION (BCM) : Configuration list

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CAUTION:

Thoroughly read and understand the vehicle specification. Incorrect settings may result in abnormal

control of ECU.

⇔: Items which confirm vehicle specifications

SETTING ITEM

Items

Setting value

TRANSMISSION

AT with ABS 

⇔ MT with ABS

BLOWE FAN SIG

MODE1 

⇔ MODE2

BCS

U1000 CAN COMM CIRCUIT

BCS-57

< DTC/CIRCUIT DIAGNOSIS >

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DTC/CIRCUIT DIAGNOSIS

U1000 CAN COMM CIRCUIT

Description

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Refer to 

LAN-6, "CAN COMMUNICATION SYSTEM : System Description"

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DTC Logic

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DTC DETECTION LOGIC

NOTE:

U1000 can be set if a module harness was disconnected and reconnected, perhaps during a repair. Confirm

that there are actual CAN diagnostic symptoms and a present DTC by performing the Self Diagnostic Result

procedure.

Diagnosis Procedure

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1.

 PERFORM SELF DIAGNOSTIC RESULT

1. Turn ignition switch ON and wait for 2 second or more.

2. Check “SELF- DIAG RESULTS”.
Is “CAN COMM CIRCUIT” displayed?

YES

>> Perform CAN Diagnosis as described in DIAGNOSIS section of CONSULT Operation Manual.

NO

>> Refer to 

GI-41, "Intermittent Incident"

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CONSULT Display

DTC Detection Condition

Possible Cause

CAN COMM CIRCUIT
[U1000]

When any listed module cannot communicate 
with CAN communication signal continuously for 
2 seconds or more with ignition switch ON

In CAN communication system, any item (or 
items) of the following listed below is malfunc-
tioning.
• Transmission
• Receiving (ECM)
• Receiving (ABS)
• Receiving (METER/M&A)
• Receiving (TCM)
• Receiving (IPDM E/R)

BCS-58

< DTC/CIRCUIT DIAGNOSIS >

U1010 CONTROL UNIT (CAN)

U1010 CONTROL UNIT (CAN)

DTC Logic

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DTC DETECTION LOGIC

Diagnosis Procedure

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1.

REPLACE BCM

When DTC “U1010” is detected, replace BCM.

>> Replace BCM. Refer to 

BCS-67, "Removal and Installation"

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CONSULT Display

DTC Detection Condition

Possible Cause

CONTROL UNIT (CAN)
[U1010]

BCM detected internal CAN communication cir-
cuit malfunction.

BCM

BCS

U0415 VEHICLE SPEED

BCS-59

< DTC/CIRCUIT DIAGNOSIS >

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U0415 VEHICLE SPEED

DTC Logic

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DTC DETECTION LOGIC

NOTE:

• If DTC U0415 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

BCS-57, "DTC Logic"

.

• If DTC U0415 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

BCS-58, "DTC Logic"

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DTC CONFIRMATION PROCEDURE

1.

 DTC CONFIRMATION

1. Erase the DTC.

2. Turn ignition switch OFF.

3. Perform Self Diagnostic Result of BCM with CONSULT, after the ignition switch has been turned ON for 2

seconds or more.

Is any DTC detected?

YES

>> Refer to 

BCS-46, "DTC Index"

.

NO

>> Inspection End. 

Diagnosis Procedure

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1.

 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF DIAGNOSTIC RESULT

Perform Self Diagnostic Result of ABS with CONSULT. Refer to 

BRC-19, "CONSULT Function (ABS)"

.

Is any DTC detected?

YES

>> Perform the trouble diagnosis related to the detected DTC. Refer to 

BRC-26, "DTC Index"

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NO

>> GO TO 2.

2.

 CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY AND GROUND

CIRCUIT

Check ABS actuator and electric unit (control unit) power and ground. Refer to 

BRC-42, "Diagnosis Proce-

dure"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connectors.

3.

 COMBINATION METER SELF DIAGNOSTIC RESULT

Perform Self Diagnostic Result of METER M&A with CONSULT. Refer to 

MWI-15, "CONSULT Function"

.

Is any DTC detected?

YES

>> Perform the trouble diagnosis related to the detected DTC. Refer to 

MWI-20, "DTC Index"

.

NO

>> Refer to 

GI-41, "Intermittent Incident"

.

 CONSULT Display

DTC Detection Condition

Probable Cause

VDC CAN CIR2
[U0415]

When the vehicle speed signal received from the 
ABS actuator and electric unit (control unit) re-
mains abnormal for 2 seconds or more.

• ABS system
• Combination meter system
• CAN bus harness