Nissan Pathfinder. Manual — part 261
PARKING BRAKE SWITCH
BRC-103
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
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PARKING BRAKE SWITCH
Description
INFOID:0000000009177319
Transmits the parking brake switch signal to the combination meter.
Component Function Check
INFOID:0000000009177320
1.
COMBINATION METER INPUT SIGNAL
1. Start engine.
2. Monitor BRAKE W/L in DATA MONITOR while applying and releasing the parking brake.
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009177321
Regarding Wiring Diagram information, refer to
.
1.
CHECK PARKING BRAKE SWITCH CIRCUIT
1. Disconnect combination meter harness connector M24 and parking brake switch harness connector E52.
2. Check continuity between combination meter harness connector M24 terminal 12 and parking brake
switch harness connector E52 terminal 1.
3. Check continuity between combination meter harness connector M24 terminal 12 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connectors.
Component Inspection
INFOID:0000000009177322
1.
CHECK PARKING BRAKE SWITCH
Check continuity between parking brake switch terminal 1 and switch case ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace parking brake switch. Refer to
.
Condition
CONSULT
Parking brake applied
: ON
Parking brake released
: OFF
Combination meter
Parking brake switch
Continuity
Connector
Terminal
Connector
Terminal
M24
12
E52
1
Yes
Combination meter
Ground
Continuity
Connector
Terminal
M24
12
No
Component
Terminal
Condition
Continuity
Parking brake switch
1
Parking brake applied
Yes
Parking brake released
No
BRC-104
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
VDC OFF SWITCH
VDC OFF SWITCH
Component Function Check
INFOID:0000000009177323
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 diagnosis procedure. Refer to
BRC-104, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000009177324
Regarding Wiring Diagram information, refer to
1.
CONNECTOR INSPECTION
1. Turn ignition switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) connector E125 and VDC OFF switch connector
M71.
3. Check connectors and terminals for deformation, disconnection, looseness or damage.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace as necessary.
2.
CHECK VDC OFF SWITCH
Check VDC OFF switch. Refer to
BRC-105, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace VDC OFF switch.
3.
CHECK VDC OFF SWITCH SIGNAL
With CONSULT.
1. Connect ABS actuator and electric unit (control unit) connector E125 and VDC OFF switch connector
M71.
2. Turn ignition switch ON.
3. In “DATA MONITOR” select “OFF SW” and check VDC OFF switch signal.
Is the inspection result normal?
YES
>> Refer to
.
NO
>> GO TO 4.
4.
CHECK VDC OFF SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) connector E125 and VDC OFF switch connector
M71.
3. Check continuity between ABS actuator and electric unit (control unit) connector E125 terminal 30 and
VDC OFF switch connector M71 terminal 1.
Condition
DATA MONITOR
VDC OFF switch is pressed and released
On
VDC OFF switch is pressed and released again
Off
ABS actuator and electric unit (control unit)
VDC OFF switch
Continuity
Connector
Terminal
Connector
Terminal
E125
30
M71
1
Yes
VDC OFF SWITCH
BRC-105
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
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4. Check continuity between ABS actuator and electric unit (control unit) connector terminal E125 terminal
30 and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace malfunctioning components.
5.
CHECK VDC OFF SWITCH GROUND CIRCUIT
Check continuity between VDC OFF switch connector M71 terminal 2 and ground.
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-123, "Removal and Installa-
.
NO
>> Repair or replace malfunctioning components.
Component Inspection
INFOID:0000000009177325
1.
CHECK VDC OFF SWITCH
1. Turn ignition switch OFF.
2. Disconnect VDC OFF switch connector.
3. Check continuity between terminals of VDC OFF switch connector.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace VDC OFF switch.
ABS actuator and electric unit (control unit)
—
Continuity
Connector
Terminal
E125
30
Ground
No
VDC OFF switch
—
Continuity
Connector
Terminal
M71
2
Ground
Yes
VDC OFF switch terminals
Condition
Continuity
1 – 2
VDC OFF switch pressed
Yes
VDC OFF switch released
No
BRC-106
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
ABS WARNING LAMP
ABS WARNING LAMP
Component Function Check
INFOID:0000000009177326
1.
CHECK ABS WARNING LAMP FUNCTION
Check that ABS warning lamp in combination meter turns ON for approximately 2 seconds after ignition switch
is turned ON.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Proceed to diagnosis procedure. Refer to
BRC-106, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000009177327
1.
PERFORM THE SELF-DIAGNOSIS
With CONSULT.
Perform self-diagnostic result.
Are any DTCs detected?
YES
>> Refer to
.
NO
>> GO TO 2.
2.
CHECK COMBINATION METER
Check if indication and operation of combination meter are normal. Refer to
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-123, "Removal and Installa-
.
NO
>> Replace combination meter. Refer to
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