Nissan Juke Service and Repair Manual : 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".

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-56, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK AMBIENT SENSOR POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect ambient sensor connector.
3. Turn ignition switch ON.
4. Check voltage between ambient sensor harness connector and ground.

Is the inspection result normal? YES >> GO TO 2.
NO >> GO TO 4.
2.CHECK AMBIENT SENSOR GROUND CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect A/C auto amp. connector.
3. Check continuity between ambient 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 AMBIENT SENSOR
Check ambient 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 ambient sensor. Refer to HAC-92, "Removal and Installation".
4.CHECK AMBIENT SENSOR POWER SUPPLY CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect A/C auto amp. connector.
3. Check continuity between ambient 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 AMBIENT SENSOR POWER SUPPLY CIRCUIT FOR SHORT
Check continuity between ambient 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 AMBIENT SENSOR
1. Remove ambient sensor. Refer to HAC-92, "Removal and Installation".
2. Check resistance between ambient sensor terminals. Refer to applicable table for the normal value.

Is the inspection result normal? YES >> INSPECTION END
NO >> Replace ambient sensor. Refer to HAC-92, "Removal and Installation".
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 ...
B2581, B2582 intake 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:
Air cleaner
To remove the filter, pull the air duct1 upward to remove it. Pull the tabs 2
, then pull the cover3 upward.
The air cleaner filter should not be cleaned and reused. Replace it according
to the maintenance shown in the “NISSAN Service and Maintenance Guide”. When replacing
the filter, wipe ...
Integrated control system (if so equipped)
The Integrated Control System is located below the audio system or navigation
system (if so equipped). Two Integrated Control System modes can be selected: Drive
mode and Climate Control mode.
Depending on which Integrated Control System mode selected (Drive mode or Climate
Control mode), the ...
ACC warning does not operate
Diagnosis Procedure
1.CHECK COMBINATION METER BUZZER
Check combination meter buzzer.
Refer to WCS-40, "Component Function Check".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.REPLACE BCM
1. Replace BCM. Ref ...
