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 ignition ...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:
Engine stalling
Description
CHART 7: ENGINE STALLING
Diagnosis Procedure
1.CHECK FUEL
Check that the fuel reservoir is correctly filled and with the right fuel.
>> GO TO 2.
2.CHECK ECM POWER SUPPLY AND GROUND CIRCUIT
Check ECM power supply and ground circuit. Refer to EC-885, "Diagnosis
Proc ...
Exhaust valve timing control
Exhaust valve timing control : System Diagram
Exhaust valve timing control: System Description
INPUT/OUTPUT SIGNAL CHART
SYSTEM DESCRIPTION
This mechanism hydraulically controls cam phases continuously with the fixed
operating angle of the exhaust
valve.
The ECM receives signals such ...
4WD branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the following terminals and connectors for damage, bend and loose
connection (unit side and connector
side).
- 4WD control module
- Harness connecoto ...