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
.
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)
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