Nissan X-Trail 32. Instruction — part 181
BRC-190
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC (ESP)]
POWER SUPPLY AND GROUND CIRCUIT
3.
Check the continuity and short circuit between ABS actuator and electric unit (control unit) harness con-
nector terminal (25) and 30A fusible link (#G).
Is the inspection result normal?
YES
>> Perform trouble diagnosis for battery power supply.
NO
>> Repair or replace error-detected parts.
9.
CHECK GROUND CIRCUIT
Check the continuity between ABS actuator and electric unit (control unit) harness connector and the ground.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Repair or replace error-detected parts.
10.
CHECK TERMINAL
Check ABS actuator and electric unit (control unit) pin terminals for damage or loose connection with harness
connector.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace error-detected parts.
ABS actuator and electric unit (control unit)
—
Continuity
Connector
Terminal
E36
13
Ground
Existed
38
VDC (ESP) OFF SWITCH
BRC-191
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC (ESP)]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
VDC (ESP) OFF SWITCH
Component Function Check
INFOID:0000000010723728
1.
CHECK VDC OFF SWITCH OPERATION
Check that VDC OFF indicator lamp in combination meter turns ON/OFF when VDC OFF switch is operated.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Proceed to
BRC-191, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000010723729
1.
CHECK VDC OFF SWITCH CIRCUIT
1.
Turn the ignition switch OFF.
2.
Disconnect the ABS actuator and electric unit (control unit) harness connector.
3.
Disconnect the VDC OFF switch harness connector.
4.
Check the continuity between ABS actuator and electric unit (control unit) harness connector and VDC
OFF switch harness connector.
5.
Check the continuity between ABS actuator and electric unit (control unit) harness connector and the
ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
CHECK VDC OFF SWITCH GROUND CIRCUIT
Check the continuity between VDC OFF switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK VDC OFF SWITCH
Check the VDC OFF switch. Refer to
BRC-192, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace the VDC OFF switch. Refer to
BRC-223, "Removal and Installation"
.
4.
CHECK VDC OFF SWITCH SIGNAL
With CONSULT
1.
Connect the ABS actuator and electric unit (control unit) harness connector.
2.
Connect the VDC OFF switch harness connector.
3.
Select “ABS”, “DATA MONITOR” and “OFF SW” according to this order. Check VDC OFF switch signal.
ABS actuator and electric unit (control unit)
VDC OFF switch
Continuity
Connector
Terminal
Connector
Terminal
E36
15
M5
1
Existed
ABS actuator and electric unit (control unit)
—
Continuity
Connector
Terminal
E36
15
Ground
Not existed
VDC OFF switch
—
Continuity
Connector
Terminal
M5
2
Ground
Existed
BRC-192
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC (ESP)]
VDC (ESP) OFF SWITCH
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 5.
5.
CHECK TERMINAL
1.
Check ABS actuator and electric unit (control unit) pin terminals for damage or loose connection with har-
ness connector.
2.
Check VDC OFF switch pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES
>>
Replace the ABS actuator and electric unit (control unit).
• LHD models: Refer to
BRC-217, "LHD : Removal and Installation"
• RHD models: Refer to
BRC-220, "RHD : Removal and Installation"
.
NO
>> Repair or replace error-detected parts.
Component Inspection
INFOID:0000000010723730
1.
CHECK VDC OFF SWITCH
1.
Turn the ignition switch OFF.
2.
Remove the VDC OFF switch. Refer to
BRC-223, "Removal and Installation"
.
3.
Check continuity between terminals of VDC OFF switch connector.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace the VDC OFF switch. Refer to
BRC-223, "Removal and Installation"
.
Condition
DATA MONITOR
When VDC OFF switch is pressed and VDC OFF indicator
lamp in combination meter is in ON status
On
When VDC OFF switch is pressed and VDC OFF indicator
lamp in combination meter is in OFF status
Off
VDC OFF switch
Condition
Continuity
Terminal
1 – 2
When VDC OFF switch is pressed
Existed
When VDC OFF switch is not pressed
Not existed
HILL DESCENT CONTROL (DOWNHILL DRIVE SUPPORT) SWITCH
BRC-193
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC (ESP)]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
HILL DESCENT CONTROL (DOWNHILL DRIVE SUPPORT) SWITCH
Component Function Check
INFOID:0000000010723731
1.
CHECK HILL DESCENT CONTROL SSWITCH OPERATION
Check that hill descent control indicator lamp in combination meter turns ON/OFF/Blinking when hill descent
control switch is operated.
• ON: hill descent control switch is ON and the operational conditions are satisfied
• Blinking: hill descent control switch is ON and the operational conditions are not satisfied
• OFF: hill descent control switch is OFF
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Proceed to
BRC-193, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000010723732
1.
CHECK HILL DESCENT CONTROL SWITCH CIRCUIT
1.
Turn the ignition switch OFF.
2.
Disconnect the ABS actuator and electric unit (control unit) harness connector.
3.
Disconnect the hill descent control switch harness connector.
4.
Check the continuity between ABS actuator and electric unit (control unit) harness connector and hill
descent control switch harness connector.
5.
Check the continuity between ABS actuator and electric unit (control unit) harness connector and the
ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
CHECK HILL DESCENT CONTROL SWITCH GROUND CIRCUIT
Check the continuity between hill descent control switch harness connector and the ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK HILL DESCENT CONTROL SWITCH
Check the hill descent control switch. Refer to
BRC-194, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace the hill descent control switch. Refer to
BRC-224, "Removal and Installation"
.
4.
CHECK HILL DESCENT CONTROL SWITCH SIGNAL
ABS actuator and electric unit (control unit)
hill descent control switch
Continuity
Connector
Terminal
Connector
Terminal
E36
9
M183
1
Existed
ABS actuator and electric unit (control unit)
—
Continuity
Connector
Terminal
E36
9
Ground
Existed
hill descent control switch
—
Continuity
Connector
Terminal
M183
3
Ground
Existed
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