Nissan Sentra. Instruction — part 650

MWI-46

< 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.

MWI

U1000 CAN COMM CIRCUIT

MWI-47

< DTC/CIRCUIT DIAGNOSIS >

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DTC/CIRCUIT DIAGNOSIS

U1000 CAN COMM CIRCUIT

DTC Logic

INFOID:0000000009758261

DTC DETECTION LOGIC

Diagnosis Procedure

INFOID:0000000009758262

1.

CHECK CAN COMMUNICATION

Select SELF-DIAG RESULTS mode for METER/M&A with CONSULT.

>> GO TO LAN system. Refer to

LAN-16, "Trouble Diagnosis Flow Chart"

.

DTC

CONSULT

Detection condition

Possible malfunction location

U1000

CAN COMM CIRC
[U1000]

When combination meter is not receiving CAN communication
signals for 2 seconds or more.

Combination meter

MWI-48

< DTC/CIRCUIT DIAGNOSIS >

U1010 CONTROL UNIT (CAN)

U1010 CONTROL UNIT (CAN)

Description

INFOID:0000000009758263

Initial diagnosis of combination meter.

DTC Logic

INFOID:0000000009758264

DTC DETECTION LOGIC

Diagnosis Procedure

INFOID:0000000009758265

1.

REPLACE COMBINATION METER

When DTC U1010 is detected, replace combination meter. Refer to

MWI-77, "Removal and Installation"

.

>> Inspection End.

DTC

Display contents of CONSULT

Detection condition

Possible malfunction

U1010

CONTROL UNIT (CAN)
[U1010]

When detecting error during the initial diagnosis of
the CAN controller of combination meter.

Combination meter

MWI

B2205 VEHICLE SPEED

MWI-49

< DTC/CIRCUIT DIAGNOSIS >

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B2205 VEHICLE SPEED

Description

INFOID:0000000009758266

The ABS actuator and electric unit (control unit) provides a vehicle speed signal to the combination meter via

CAN communication lines.

DTC Logic

INFOID:0000000009758267

DTC DETECTION LOGIC

Diagnosis Procedure

INFOID:0000000009758268

1.

CHECK COMBINATION METER INPUT SIGNAL

1. Start engine and select METER/M&A on CONSULT.

2. Using SPEED METER on DATA MONITOR, compare the value of DATA MONITOR with speedometer

pointer of combination meter. Speedometer and DATA MONITOR indications should be close.

Is the inspection result normal?

YES

>> Perform ABS actuator and electric unit (control unit) self-diagnosis. Refer to

BRC-31, "CONSULT

Function (ABS)"

.

NO

>> Replace combination meter. Refer to

MWI-77, "Removal and Installation"

.

DTC

CONSULT

Detection condition

Possible malfunction location

B2205

VEHICLE SPEED CIRC
[B2205]

Malfunction is detected when an erroneous
speed signal is received for 2 seconds or
more.

• Combination meter
• ABS actuator and electric unit (control unit)