Nissan Juke Service and Repair Manual : B2099 ignition relay off stuck
Description
• IPDM E/R operates the ignition relay when it receives an ignition switch ON signal from BCM via CAN communication.
• Turn the ignition relay OFF by pressing the push-button ignition switch once when the vehicle speed is 4 km/ h (2.5 MPH) or less.
• Turn the ignition relay OFF with the following operation when the vehicle speed is more than 4 km/h (2.5 MPH) or when an abnormal condition occurs in CAN communication from the combination meter (Emergency OFF)
- Press and hold the push-button ignition switch for 2 seconds or more.
- Press the push-button ignition switch 3 times within 1.5 seconds.
NOTE
:
The ignition relay does not turn ON for 3 seconds after emergency OFF even if
the push-button ignition switch
is pressed.
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-32, "Diagnosis Procedure".
NO >> INSPECTION END.
Diagnosis Procedure
1.PERFORM SELF DIAGNOSIS
1. Turn the ignition switch ON.
2. Erase “Self Diagnostic Result”.
3. Turn the ignition switch OFF.
4. Turn the ignition switch ON. Check “Self Diagnostic Result” again.
Is DTC “B2099” displayed? YES >> Replace IPDM E/R. Refer to PCS-34, "Removal and Installation".
NO >> Refer to GI-42, "Intermittent Incident".
B2098 ignition relay on stuck
Description
• IPDM E/R operates the ignition relay when it receives an ignition switch ON
signal from BCM via CAN communication.
• Turn the ignition relay OFF by pressing the push-button ignit ...
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:
P0963 pressure control solenoid A
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PREPARATION BEFORE WORK
If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition
switch OFF and wait for at
least 10 seconds, then perform the next test.
>> GO TO 2.
2.CHECK DTC DETECTION
1. S ...
NISSAN Vehicle Immobilizer System
The NISSAN Vehicle Immobilizer System will not allow the engine to start without
the use of the registered key.
If the engine fails to start using the registered key, it may be due to interference
caused by another registered key, an automated toll road device or automated payment
device on t ...
Precaution Necessary for Steering Wheel Rotation after Battery Disconnect
NOTE:
• Before removing and installing any control units, first turn the ignition
switch to the LOCK position, then disconnect
both battery cables.
• After finishing work, confirm that all control unit connectors are connected
properly, then re-connect both
battery cables.
• Always us ...
