Nissan Juke Service and Repair Manual : B2621 inside antenna
DTC Logic
DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Select “INTELLIGENT KEY” of “BCM” using CONSULT-III.
2. Select “INSIDE ANT DIAGNOSIS” in “WORK SUPPORT” mode.
3. Perform inside key antenna (“INSIDE ANT DIAGNOSIS”) on “WORK SUPPORT” of “INTELLIGENT KEY”.
4. Check BCM for DTC.
Is inside key antenna DTC detected? YES >> Refer to DLK-55, "Diagnosis Procedure".
NO >> Inside key antenna (instrument center) is OK.
Diagnosis Procedure
1.CHECK INSIDE KEY ANTENNA INPUT SIGNAL 1
1. Turn ignition switch ON.
2. Check signal between BCM harness connector and ground using oscilloscope.

Is the inspection result normal? YES >> Replace BCM. Refer to BCS-93, "Removal and Installation".
NO >> GO TO 2.
2.CHECK INSIDE KEY ANTENNA CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector and inside key antenna (instrument center) connector.
3. Check continuity between BCM harness connector and inside key antenna (instrument center) harness connector.

4. Check continuity between BCM harness connector and ground.

Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK INSIDE KEY ANTENNA INPUT SIGNAL 2
1. Replace inside key antenna (instrument center). (New antenna or other
antenna)
2. Connect BCM connector and inside key antenna (instrument center) connector.
3. Turn ignition switch ON.
4. Check signal between BCM harness connector and ground using oscilloscope.

Is the inspection result normal? YES >> Replace inside key antenna (instrument center).
NO >> Replace BCM. Refer to BCS-93, "Removal and Installation".
B2622 inside antenna
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Select “INTELLIGENT KEY” of “BCM” using CONSULT-III.
2. Select “INSIDE ANT DIAGNOSIS” in “WORK S ...
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B210A steering lock unit
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE 1
1. Press push-button ignition switch under the following conditions and wait
1 second or more.
- Selector lever: In the P position
- Brake pedal: Not depressed
2. Check DTC in “Self Diagnostic ...
4WD warning lamp blinks quickly
Description
While driving, 4WD warning lamp blinks 2 times in 1 second and it turns OFF
after 1 minute.
NOTE:
• This symptom protects drivetrain parts when a heavy load is applied to the
electric controlled coupling and
multiple disc clutch temperature increases. Also, optional distributio ...
B20A0 cranking request circuit
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC B20A0 is displayed with DTC U1000, first perform the trouble diagnosis
for DTC U1000. Refer to PCS-
30, "DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Perform DTC CONFIRMATION PROCEDURE for DTC P1650. Re ...

