Nissan Pathfinder. Manual — part 220
BCS
U1010 CONTROL UNIT (CAN)
BCS-69
< DTC/CIRCUIT DIAGNOSIS >
[BCM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
U1010 CONTROL UNIT (CAN)
DTC Logic
INFOID:0000000009174906
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000009174907
1.
REPLACE BCM
When DTC U1010 is detected, replace BCM.
>> Replace BCM. Refer to
BCS-80, "Removal and Installation"
CONSULT Display
DTC Detection Condition
Possible Cause
CAN COMM CIRCUIT
[U1010]
BCM detected internal CAN communication circuit mal-
function.
BCM
BCS-70
< DTC/CIRCUIT DIAGNOSIS >
[BCM]
U0415 VEHICLE SPEED SIG
U0415 VEHICLE SPEED SIG
Description
INFOID:0000000009174908
U0415 is displayed if any unusual condition is present in the reception status of the vehicle speed signal from
the ABS actuator and electric unit (control unit).
DTC Logic
INFOID:0000000009174909
DTC DETECTION LOGIC
NOTE:
• If DTC U0415 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• If DTC U0415 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
.
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
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009174910
1.
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF DIAGNOSTIC RESULT
Perform Self Diagnostic Result of ABS with CONSULT. Refer to
.
Is any DTC detected?
YES
>> Perform the trouble diagnosis related to the detected DTC. Refer to
.
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
.
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
Is any DTC detected?
YES
>> Perform the trouble diagnosis related to the detected DTC. Refer to
.
NO
>> Refer to
GI-49, "Intermittent Incident"
.
CONSULT Display
DTC Detection Condition
Possible Cause
VEHICLE SPEED SIG
[U0415]
When the vehicle speed signal received from the
ABS actuator and electric unit (control unit) remains
abnormal for 2 seconds or more.
• ABS system
• Combination meter system
• CAN bus harness
BCS
B2562 LOW VOLTAGE
BCS-71
< DTC/CIRCUIT DIAGNOSIS >
[BCM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
B2562 LOW VOLTAGE
DTC Logic
INFOID:0000000009174911
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
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009174912
1.
CHECK BATTERY VOLTAGE
Check battery voltage.
Is battery voltage less than 8.8V?
YES
>> Charge battery and retest. Refer to
CHG-14, "Work Flow (With EXP-800 NI or GR8-1200 NI)"
CHG-17, "Work Flow (Without EXP-800 NI or GR8-1200 NI)"
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check BCM power supply and ground circuit. Refer to
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-24, "BCM : CONSULT Function (BCM -
Is DTC B2562 CRNT?
YES
>> Replace BCM. Refer to
BCS-80, "Removal and Installation"
NO
>> Refer to
GI-49, "Intermittent Incident"
.
CONSULT Display
DTC Detection Condition
Possible cause
LOW VOLTAGE
[B2562]
When the power supply voltage to BCM remains less
than 8.8V for 120 seconds or more
• Harness or connector (power supply circuit)
• Vehicle battery
BCS-72
< DTC/CIRCUIT DIAGNOSIS >
[BCM]
B259A ROOM LAMP FUSE
B259A ROOM LAMP FUSE
DTC Logic
INFOID:0000000009174913
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 2 minutes or more.
Is any DTC detected?
YES
>> Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009174914
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSE
Check that the following fuse is not blown.
Is the fuse or fusible link blown?
YES
>> Replace the blown fuse after repairing the affected circuit.
NO
>> GO TO 2.
2.
CHECK BAT BCM FUSE CIRCUIT
1. Disconnect BCM connector M81.
2. Check voltage between BCM connector M81 terminal 131 and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-80, "Removal and Installation"
NO
>> Repair or replace harness or connectors. GO TO 3.
3.
CHECK BATTERY SAVER OUTPUT CIRCUIT FOR SHORT TO GROUND
1. Turn ignition OFF.
2. Check continuity between BCM connector M81 terminal 129 and ground.
CONSULT Display
DTC Detection Condition
Possible cause
ROOM LAMP FUSE
[B259A]
When BCM detects that power supply voltage is sup-
plied to fusible link battery power, but not to BCM bat-
tery fuse for 2 minutes when ignition switch is ON.
Harness or connector (power supply circuit)
Terminal No.
Signal name
Fuse No.
131
BCM battery fuse
1 (10A)
BCM
Ground
Voltage
(Approx.)
Connector
Terminal
M81
131
—
Battery voltage
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