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:
Blower fan resistor
Exploded View
1. A/C unit assembly
2. Blower fan resistor*1
3. Sub harness*1
4. Power transistor*2
5. Sub harness*2
6. Blower motor
• *1: Manual air conditioner
• *2: Automatic air conditioner
Removal and Installation
REMOVAL
1. Remove instrument panel assembly. Refer to IP-13, &quo ...
Diagnosis system (air bag)
Description
CAUTION:
• Never use electrical test equipment on any circuit related to the SRS unless
instructed in this Service
Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses
or harness
connectors.
• Never repair, splice or modify the SRS wiring harness. If ...
Evaporative emission system
Inspection
1. Visually inspect EVAP vapor lines for improper attachment and for cracks,
damage, loose connections,
chafing and deterioration.
2. Check EVAP canister as follows:
a. Block port (B). Orally blow air through port (A).
Check that air flows freely through port (C).
b. Block port (A ...