Nissan Sentra Service Manual: Parking brake switch signal circuit
Component function check
1.Check parking brake switch operation
Check that brake warning lamp in combination meter turns on/off when parking brake is actuated.
Is the inspection result normal? Yes >> inspection end.
No >> proceed to diagnosis procedure. Refer to mwi-60, "diagnosis procedure".
Diagnosis procedure
Regarding Wiring Diagram information, refer to MWI-28, "Wiring Diagram".
1.Connector inspection
- Turn ignition switch off.
- Disconnect combination meter and parking brake switch connectors.
- 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 parking brake switch
Check parking brake switch. Refer to mwi-61, "component inspection".
Is the inspection result normal? Yes >> go to 3.
No >> replace parking brake switch. Refer to pb-7, "exploded view".
3.Check parking brake switch signal
With consult
- Connect combination meter connector and parking brake switch connectors.
- Turn ignition switch on.
- In “DATA MONITOR” select “PARK BRAKE SW” and check parking brake switch signal.
Is the inspection result normal? Yes >> refer to mwi-45, "work flow".
No >> go to 4.
4.Check parking brake switch circuit
- Turn ignition switch off.
- Disconnect combination meter and parking brake switch connectors.
- Check continuity between combination meter connector M24 terminal 10 and parking brake switch connector M130 terminal 1.
- Check continuity between combination meter connector and ground.
Is the inspection result normal? Yes >> replace combination meter. Refer to mwi-77, "removal and installation".
No >> repair or replace malfunctioning components.
Component inspection
1.Check parking brake switch
- Turn ignition switch off.
- Disconnect parking brake switch connector.
- Check continuity between parking brake switch terminal 1 and ground.
Is the inspection result normal? Yes >> inspection end.
No >> replace parking brake switch. Refer to pb-7, "exploded view".
Fuel level sensor signal circuit
Description
The fuel level sensor unit and fuel pump detects the approximate fuel level
in the fuel tank and transmits the
fuel level signal to the combination meter.
Component function check
1 ...
Ambient sensor signal circuit
Description
It detects outside air temperature and converts it into a resistance value
which is then input into the combination
meter.
Diagnosis Procedure
Regarding wiring diagram information, ...
Other materials:
Operating tips
When the engine coolant temperature and
outside air temperature are low, the air flow
from the foot outlets may not operate for a
maximum of 150 seconds. However, this is
not a malfunction. After the coolant temperature
warms up, air flow from the foot outlets
will operate normally.
...
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and front passenger for certain
types of collision. Information necessary to service the system ...
P1550 Battery current sensor
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1550
BAT CURRENT SENSOR
(Battery current sensor)
The output voltage of the battery current
sensor remains within the specified
r ...
