Nissan Versa Note. Manual - part 81

BCS

U1010 CONTROL UNIT (CAN)

BCS-61

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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U1010 CONTROL UNIT (CAN)

DTC Logic

INFOID:0000000009693596

DTC DETECTION LOGIC

Diagnosis Procedure

INFOID:0000000009693597

1.

REPLACE BCM

When DTC “U1010” is detected, replace BCM.

>> Replace BCM. Refer to 

BCS-70, "Removal and Installation"

.

CONSULT Display

DTC Detection Condition

Possible Cause

CONTROL UNIT (CAN)
[U1010]

BCM detected internal CAN communication cir-
cuit malfunction.

BCM

BCS-62

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

U0415 VEHICLE SPEED

U0415 VEHICLE SPEED

DTC Logic

INFOID:0000000009693598

DTC DETECTION LOGIC

NOTE:

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

BCS-60, "DTC Logic"

.

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

BCS-61, "DTC Logic"

.

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-48, "DTC Index"

.

NO

>> Inspection End. 

Diagnosis Procedure

INFOID:0000000009693599

1.

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

Perform Self Diagnostic Result of ABS with CONSULT. Refer to 

BRC-30, "CONSULT Function (ABS)"

.

Is any DTC detected?

YES

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

BRC-41, "DTC Index"

.

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-61, "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-21, "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

BCS

B2562 LOW VOLTAGE

BCS-63

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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B2562 LOW VOLTAGE

DTC Logic

INFOID:0000000009693600

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

 DTC CONFIRMATION

1. Erase DTC.

2. Turn ignition switch OFF.

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

for 120 seconds or more.

Is any DTC detected?

YES

>> Refer to 

BCS-63, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009693601

1.

 CHECK BATTERY VOLTAGE

Check battery voltage. 
Is battery voltage less than 8.8V?

YES

>> Charge battery and retest. Refer to 

PG-61, "Work Flow"

.

NO

>> GO TO 2.

2.

 CHECK POWER SUPPLY AND GROUND CIRCUIT

Check BCM power supply and ground circuit. Refer to 

BCS-64, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connectors.

3.

 BCM SELF DIAGNOSTIC RESULT

Perform Self Diagnostic Result of BCM with CONSULT. Refer to 

BCS-23, "BCM : CONSULT Function (BCM -

BCM)"

.

Is DTC B2562 CRNT?

YES

>> Replace BCM. Refer to 

BCS-70, "Removal and Installation"

.

NO

>> Refer to 

GI-41, "Intermittent Incident"

.

CONSULT Display

DTC Detection Condition

Possible Cause

LOW VOLTAGE
[B2562]

When the power supply voltage to BCM remains 
less than 8.8 V for 120 seconds or more

• Harness or connector (power supply circuit)
• Vehicle battery

BCS-64

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

POWER SUPPLY AND GROUND CIRCUIT

POWER SUPPLY AND GROUND CIRCUIT

Diagnosis Procedure

INFOID:0000000009693602

Regarding Wiring Diagram information, refer to 

BCS-51, "Wiring Diagram"

.

1.

CHECK FUSES AND FUSIBLE LINK

Check that the following fuses and fusible link are not blown.

Is the fuse blown?

YES

>> Replace the blown fuse or fusible link after repairing the affected circuit.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1. Disconnect BCM connector M99.

2. Check voltage between BCM connector M99 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK GROUND CIRCUIT

Check continuity between BCM connector M99 and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair harness or connector.

Terminal No.

Signal name

Fuses and fusible link No.

57

Battery power supply

12 (10A)

70

G (40A)

BCM

Ground

Voltage

Connector

Terminal

M99

57

—

Battery voltage

70

BCM

Ground

Continuity

Connector

Terminal

M99

67

—

Yes