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-
141, "DTC Logic".
• If DTC is displayed along with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to HAC- 142, "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-143, "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-147, "Component Inspection".
Is the inspection result normal? YES >> Replace A/C auto amp. Refer to HAC-188, "Removal and Installation".
NO >> Replace in-vehicle sensor. Refer to HAC-190, "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-188, "Removal and Installation".
NO >> Repair harness or connector.
Component Inspection
1.CHECK IN-VEHICLE SENSOR
1. Remove in-vehicle sensor. Refer to HAC-190, "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-190, "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 SELF-DIAGNOSIS
With CONSULT-III
1. Turn ignition switch ON.
2. Select “Self ...
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-
141, "DTC Logic".
• If DTC is displaye ...
Other materials:
Line pressure test
Work Procedure
INSPECTION
1. Check the engine oil level. Replenish if necessary. LU-25, "Inspection".
2. Check for leak of the CVT fluid. Refer to TM-480, "Inspection".
3. Drive for about 10 minutes to warm up the vehicle so that the CVT fluid
temperature is 50 to 80°C (122 ...
Blower motor
Exploded View
2WD models
1. A/C unit assembly
2. Fan control amp.*1
3. Blower fan resistor*2
4. Blower motor
5. Blower motor cover
• *1: Automatic air conditioner
• *2: Manual air conditioner or Manual heater
4WD models
1. A/C unit assembly
2. Blower fan resistor*1
3. Sub harnes ...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.INTERVIEW FOR MALFUNCTION
Interview the symptom to the customer.
>> GO TO 2.
2.SYMPTOM CHECK
Check the symptom from the customer's information.
>> GO TO 3.
3.BASIC INSPECTION
Check the operation o ...