Nissan Qashqai J11. Manual — part 1849
BCS-122
< DTC/CIRCUIT DIAGNOSIS >
U1010 CONTROL UNIT (CAN)
U1010 CONTROL UNIT (CAN)
DTC Description
INFOID:0000000010378030
DTC DETECTION LOGIC
POSSIBLE CAUSE
BCM
FAIL-SAFE
—
Diagnosis Procedure
INFOID:0000000010378031
1.
REPLACE BCM
When DTC “U1010–00” is detected, replace BCM.
>> Replace BCM. Refer to
BCS-132, "Removal and Installation"
.
DTC
CONSULT display description
DTC Detection Condition
U1010–00
CONTROL UNIT (CAN)
[Control unit (CAN)]
BCM detected internal CAN communication circuit malfunction.
BCS
U0415 VEHICLE SPEED
BCS-123
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
U0415 VEHICLE SPEED
DTC Description
INFOID:0000000010378032
DTC DETECTION LOGIC
POSSIBLE CAUSE
• ABS actuator and electric unit (control unit)
• BCM
FAIL-SAFE
Inhibit steering lock
DTC CONFIRMATION PROCEDURE
1.
DTC CONFIRMATION
1.
Erase the DTC.
2.
Turn ignition switch OFF.
3.
Perform the “Self Diagnostic Result” of BCM with CONSULT, when passed 2 seconds or more after the
ignition switch is turned ON.
Is any DTC detected?
YES
>> Refer to
BCS-123, "Diagnosis Procedure"
NO–1 >> To check malfunction symptom before repair: Refer to
GI-41, "Intermittent Incident"
NO–2 >> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010378033
1.
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAG RESULTS
Perform “Self-Diagnostic Result” of ABS actuator and electric unit (control unit) with CONSULT. Refer to
Is any DTC detected?
YES
>> Repair or replace the malfunctioning part.
NO
>> Replace BCM. Refer to
BCS-132, "Removal and Installation"
.
DTC
CONSULT display description
DTC Detection Condition
U0415–00
VEHICLE SPEED
(Vehicle speed)
When the vehicle speed signal received from the ABS actuator and electric unit (con-
trol unit) remains abnormal for 2 seconds or more.
BCS-124
< DTC/CIRCUIT DIAGNOSIS >
B2562 LOW VOLTAGE
B2562 LOW VOLTAGE
DTC Description
INFOID:0000000010378034
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connector (power supply circuit)
• BCM
FAIL-SAFE
—
DTC CONFIRMATION PROCEDURE
1.
DTC CONFIRMATION
1.
Erase DTC.
2.
Turn ignition switch OFF.
3.
Perform the “Self Diagnostic Result” of BCM with CONSULT, when passed 120 seconds or more after the
ignition switch is turned ON.
Is any DTC detected?
YES
>> Refer to
BCS-124, "Diagnosis Procedure"
NO–1 >> To check malfunction symptom before repair: Refer to
GI-41, "Intermittent Incident"
.
NO–2 >> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010378035
1.
CHECK POWER SUPPLY CIRCUIT
Check BCM power supply circuit. Refer to
BCS-125, "Diagnosis Procedure"
.
Is the circuit normal?
YES
>> Replace BCM. Refer to
BCS-132, "Removal and Installation"
.
NO
>> Repair the malfunctioning part.
DTC
CONSULT display description
DTC Detection Condition
B2562–00
LOW VOLTAGE
(Low voltage)
When the power supply voltage to BCM remains less than 8.8 V for 120 seconds or
more
BCS
POWER SUPPLY AND GROUND CIRCUIT
BCS-125
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000010378038
1.
CHECK FUSE
Check that the following fuses are not blown.
Is the fuse fusing?
YES
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connectors.
3.
Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
Signal name
Fuse No.
Battery power supply
20
27
(+)
(
−
)
Voltage
BCM
Connector
Terminal
M69
95
Ground
9 – 16 V
M68
137
BCM
Ground
Continuity
Connector
Terminal
M68
146
Existed
147
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