Nissan Juke Service and Repair Manual : B2578, B2579 In-vehicle 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".

DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III
1. Turn ignition switch ON.
2. Select “Self Diagnostic Result” mode of “HVAC” using CONSULT-III.
3. Check DTC.
Is DTC detected? YES >> Refer to HAC-53, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK IN-VEHICLE SENSOR POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect in-vehicle sensor connector.
3. Turn ignition switch ON.
4. Check voltage between in-vehicle sensor harness connector and ground.

Is the inspection result normal? YES >> GO TO 2.
NO >> GO TO 4.
2.CHECK IN-VEHICLE SENSOR GROUND CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect A/C auto amp. connector.
3. Check continuity between in-vehicle sensor harness connector and A/C auto amp harness connector.

Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair harness or connector.
3.CHECK IN-VEHICLE SENSOR
Check in-vehicle sensor. Refer to HAC-57, "Component Inspection".
Is the inspection result normal? YES >> Replace A/C auto amp. Refer to HAC-91, "Removal and Installation".
NO >> Replace in-vehicle sensor. Refer to HAC-93, "Removal and Installation".
4.CHECK IN-VEHICLE SENSOR POWER SUPPLY CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect A/C auto amp. connector.
3. Check continuity between in-vehicle sensor harness connector and A/C auto amp. harness connector.

Is the inspection result normal? YES >> GO TO 5.
NO >> Repair harness or connector.
5.CHECK IN-VEHICLE SENSOR POWER SUPPLY CIRCUIT FOR SHORT
Check continuity between in-vehicle sensor harness connector and ground.

Is the inspection result normal? YES >> Replace A/C auto amp. Refer to HAC-91, "Removal and Installation".
NO >> Repair harness or connector.
Component Inspection
1.CHECK IN-VEHICLE SENSOR
1. Remove in-vehicle sensor. Refer to HAC-93, "Removal and Installation".
2. Check resistance between in-vehicle sensor terminals. Refer to applicable table for the normal value.

Is the inspection result normal? YES >> INSPECTION END
NO >> Replace in-vehicle sensor. Refer to HAC-93, "Removal and Installation".
U1010 control unit (CAN)
Description
Initial diagnosis of A/C auto amp.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III
1. Turn ignition switch ON.
2. S ...
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 ...
Other materials:
P0403 EGR volume control valve
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.CHECK EGR VOLUME CONTROL VALVE CONTROL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect EGR volume control valve harness connector and ECM harness
connector.
3. Check the continuity between EGR volume control valve terminal harness
co ...
P1612 chain of ECM-IMMU
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC P1612 is displayed with DTC U1000 (for BCM), first perform the trouble
diagnosis for DTC U1000.
Refer to BCS-153, "DTC Logic".
• If DTC P1612 is displayed with DTC U1010 (for BCM), first perform the trouble
diagnosis for DTC U1010.
...
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 safely is
include ...
