Nissan Juke Service and Repair Manual : B2099 ignition relay off stuck
Description
The ignition relay integrated in IPDM E/R is operated with ignition switch ON signal from the ignition switch.
DTC Logic
DTC DETECTION LOGIC

NOTE
:
When IPDM E/R power supply voltage is low (Approx. 7 - 8 V for about 1 second),
the “DTC: B2099” may be detected.
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check DTC in “Self Diagnostic Result” mode of “IPDM E/R” using CONSULT-III.
Is DTC detected? YES >> Refer to PCS-61, "Diagnosis Procedure".
NO >> INSPECTION END.
Diagnosis Procedure
1.CHECK IGNITION SWITCH ON SIGNAL CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect IPDM E/R harness connector and BCM harness connector.
3. Check continuity between IPDM E/R harness connectors and BCM harness connectors.

Does continuity exist? YES >> Replace IPDM E/R. Refer to PCS-63, "Removal and Installation".
NO >> Repair the harness or connector.
B2098 ignition relay on stuck
Description
The ignition relay integrated in IPDM E/R is operated with ignition switch ON
signal from the ignition switch.
DTC Logic
DTC DETECTION LOGIC
1.PERFORM DTC CONFIRMATION PROCEDURE
1 ...
Power supply and ground circuit
Diagnosis Procedure
1.CHECK FUSES AND FUSIBLE LINK
Check that the following IPDM E/R fuses or fusible links are not blown.
Is the fuse fusing?
YES >> Replace the blown fuse or fusible link ...
Other materials:
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Precautions on booster seats
WARNING
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Back door does not opened
Diagnosis Procedure
1.CHECK BACK DOOR OPENER SWITCH
Check back door opener switch.
Refer to DLK-69, "Component Function Check".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.CHECK BACK DOOR OPENER ACTUATOR
C ...
