Nissan Sentra B18 (2020-2025) Service Manual: Parking Brake Switch Signal Circuit
Component Function Check
-
CHECK COMBINATION METER INPUT SIGNAL
-
CONSULT-
Select “PKB SW” in “Data Monitor” mode of “METER/M&A”.
-
Check that the function operates normally according to the following conditions:
Monitor item
Condition
Status
PKB SW
When parking brake is applied
ON
When parking brake is released
OFF
-
Is the inspection result normal?
YES >>Inspection End.
NO >>Refer to Diagnosis Procedure.
-
Diagnosis Procedure
-
CHECK PARKING BRAKE SWITCH SIGNAL CIRCUIT
-
-
Ignition switch OFF.
-
Disconnect combination meter harness connector and parking brake switch harness connector.
-
Check continuity between combination meter harness connector and parking brake switch harness connector.
With M/T Combination meter
Parking brake switch
Continuity
Connector
Terminal
Connector
Terminal
M24
14
M130
1
Yes
With CVT Combination meter
Parking brake switch
Continuity
Connector
Terminal
Connector
Terminal
M24
14
E80
1
Yes
-
Check continuity between combination meter harness connector and ground.
Combination meter
—
Continuity
Connector
Terminal
M24
14
Ground
No
-
Is the inspection result normal?
YES >>Inspection End.
NO >>Repair or replace harness or connector.
-
Component Inspection
-
CHECK PARKING BRAKE SWITCH
-
Check continuity between parking brake switch terminal and switch case ground.
Component
Terminal
Condition
Continuity
Parking brake switch
1
Parking brake applied
Yes
Parking brake released
No
Is the inspection result normal?
YES >>Inspection End.
NO >>Replace parking brake switch. Refer to Removal and Installation (hand lever with rear drum brakes) or Removal and Installation (foot pedal with rear drum brakes).
-
Fuel Level Sensor Signal Circuit
Component Function Check
Component Function
Check
COMBINATION METER INPUT SIGNAL
CONSULT
Select “FUEL METER” in ...
Ambient Sensor Signal Circuit
Diagnosis Procedure
Diagnosis Procedure
CHECK AMBIENT SENSOR POWER
SUPPLY
Ignition switch OFF.
...
Other materials:
ASCD Indicator
Component Function Check
1.CHECK ASCD INDICATOR FUNCTION
Check ASCD indicator under the following conditions.
ASCD INDICATOR
CONDITION
SPECIFICATION
CRUISE LAMP
Ignition switch: ON
MAIN switch: Pressed at the 1st time →
at the 2nd ti ...
B1429 Seat belt buckle switch RH
Description
DTC B1429 SEAT BELT BUCKLE SWITCH RH
The air bag diagnosis sensor unit monitors the seat belt buckle switch RH
status. If the control unit detects an
open or short condition in the circuit, it will set the DTC.
PART LOCATION
Refer to SRC-5, "Component Parts Location".
D ...
B2033-4a Dongle Ng
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen items
(Trouble diagnosis
content)
DTC detection condition
...
