Nissan Juke Service and Repair Manual : Seat belt buckle switch signal circuit (driver side)
Component Function Check
1.CHECK COMBINATION METER INPUT SIGNAL
Select the “Data Monitor” for the “METER/M&A” and check the “BUCKLE SW” monitor value.
BUCKLE SW
When driver seat belt is fastened : Off
When driver seat belt is unfastened : On
>> INSPECTION END
Diagnosis Procedure
1.CHECK SEAT BELT BUCKLE SWITCH (DRIVER SIDE) CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect combination meter connector and seat belt buckle switch (driver side) connector.
3. Check continuity between combination meter harness connector and seat belt buckle switch (driver side) harness connector.

*1: LHD models
*2: RHD models
4. Check harness continuity between combination meter harness connector and ground.

Is the inspection result normal? YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK SEAT BELT BUCKLE SWITCH (DRIVER SIDE) GROUND CIRCUIT
Check harness continuity between seat belt buckle switch (driver side) harness connector and ground.

*1: LHD models
*2: RHD models
Is the inspection result normal? YES >> INSPECTION END
NO >> Repair harness or connector.
Component Inspection
1.CHECK SEAT BELT BUCKLE SWITCH UNIT
1. Turn ignition switch OFF.
2. Disconnect the seat belt buckle switch (driver side) connector.
3. Check continuity between terminals.

Is the inspection result normal? YES >> INSPECTION END
NO >> Replace the seat belt buckle (driver side). Refer to SB-8, "SEAT BELT BUCKLE : Removal and Installation".
Oil pressure switch signal circuit
Component Function Check
1.CHECK COMBINATION METER INPUT SIGNAL
Select the “Data Monitor” for the “METER/M&A” and check the “OIL W/L” monitor
value.
“OIL W/L”
Ignition switch ON : On
Engine ...
Seat belt buckle switch signal circuit (passenger side)
Diagnosis Procedure
1.CHECK SEAT BELT BUCKLE SWITCH (PASSENGER SIDE) CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect combination meter connector and seat belt buckle switch (passenger
side) co ...
Other materials:
P0131 A/F sensor 1
DTC Logic
DTC DETECTION LOGIC
To judge the malfunction, the diagnosis checks that the A/F signal computed
by ECM from the A/F sensor 1
signal is not inordinately low.
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn
ign ...
B257B, B257C ambient sensor
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC is displayed along with DTC U1000, first perform the trouble diagnosis
for DTC U1000. Refer to HAC-
51, "DTC Logic".
• If DTC is displayed along with DTC U1010, first perform the trouble diagnosis
for DTC U1010. HAC-52,
"DTC Logic ...
Precaution
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 a ...
