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:
Ignition position warning function does not operate
Diagnosis Procedure
1.CHECK DTC WITH BCM
Check that DTC is not detected with BCM.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Refer to BCS-67, "DTC Index".
2.CHECK POWER DOOR LOCK OPERATION
Check power door lock operation.
Does door lock/unlock with d ...
U1000 can comm circuit
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent error
detection ability. Many electronic
control units are equipped onto a vehicle, and each co ...
U1000, U1001 CAN COMM CIRCUIT
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent error
detection ability. Many electronic
control units are equipped onto a vehicle, and each co ...