Nissan Leaf. Manual — part 970
MWI
U1010 CONTROL UNIT (CAN)
MWI-83
< DTC/CIRCUIT DIAGNOSIS >
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U1010 CONTROL UNIT (CAN)
Description
INFOID:0000000010122415
Initial diagnosis of combination meter.
DTC Logic
INFOID:0000000010122416
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000010122417
1.
REPLACE COMBINATION METER
When DTC “U1010” is detected, replace combination meter.
>> Replace combination meter. Refer to
MWI-102, "Removal and Installation"
DTC
Display contents of CONSULT
Diagnostic item is detected when...
Probable malfunction location
U1010
CONTROL UNIT (CAN)
[U1010]
When detecting error during the initial diagnosis
of the CAN controller of combination meter.
Combination meter
MWI-84
< DTC/CIRCUIT DIAGNOSIS >
B2205 VEHICLE SPEED
B2205 VEHICLE SPEED
Description
INFOID:0000000010122418
Vehicle speed signal is transmitted from ABS actuator and electric unit (control unit) via CAN communication
to combination meter.
DTC Logic
INFOID:0000000010122419
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000010122420
1.
PERFORM SELF-DIAGNOSIS OF ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Perform “Self Diagnostic Result” of “ABS”, and repair or replace malfunctioning parts.
>> Refer to
DTC
Display contents of
CONSULT
Diagnostic item is detected when...
Probable malfunction location
B2205
VEHICLE SPEED
[B2205]
An abnormal vehicle speed signal is input
from ABS actuator and electric unit (control
unit) for 2 seconds or more.
• Wheel sensor
• ABS actuator and electric unit (control unit)
MWI
POWER SUPPLY AND GROUND CIRCUIT
MWI-85
< DTC/CIRCUIT DIAGNOSIS >
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POWER SUPPLY AND GROUND CIRCUIT
COMBINATION METER
COMBINATION METER : Diagnosis Procedure
INFOID:0000000010122421
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSES
Check that the following fuses are not blown:
Is the fuse blown?
YES
>> Replace the blown fuse after repairing the affected circuit.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between combination meter harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connector.
3.
CHECK GROUND CIRCUIT
1. Power switch OFF.
2. Disconnect combination meter connector.
3. Check continuity between combination meter harness connector and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connector.
UPPER METER
UPPER METER : Diagnosis Procedure
INFOID:0000000010122422
Regarding Wiring Diagram information, refer to
.
Power source
Fuse No.
Battery
11
Power switch ON
5
Terminals
Power switch position
Voltage
(Approx.)
(+)
(
−)
Combination meter
Ground
Connector
Terminal
M34
1
OFF
Battery voltage
3
ON
Combination meter
Ground
Continuity
Connector
Terminal
M34
5
Yes
6
MWI-86
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
1.
CHECK POWER SUPPLY CIRCUIT
Check voltage between upper meter harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connector.
2.
CHECK GROUND CIRCUIT
1. Power switch OFF.
2. Disconnect upper meter connector.
3. Check continuity between upper meter harness connector and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connector.
Terminals
Power switch position
Voltage
(Approx.)
(+)
(
−)
Upper meter
Ground
Connector
Terminal
M62
1
OFF
Battery voltage
2
ON
Upper meter
Ground
Continuity
Connector
Terminal
M62
6
Yes
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