Your Vehicle: 2009 Nissan-Datsun Altima V6-3.5L (VQ35DE)
 
Vehicle » A L L Diagnostic Trouble Codes ( DTC ) » Testing and Inspection » B Code Charts » B2099  
 
 
  B2099  
 

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 unified meter (Emergency OFF)
  • Press and hold the push-button ignition switch for 2 seconds or more.
  • Press the push-button ignition switch 3 time 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

  

Diagnosis Procedure

  1. PERFORM SELF DIAGNOSIS
  1. Turn the ignition switch ON.
  2. Erase "Self Diagnostic Result".
  3. Turn ignition switch OFF.
  4. Turn the ignition switch ON. Check "Self Diagnostic Result" again. Is "IGN RELAY OFF" displayed?

YES >> Replace IPDM E/R. Refer to See: Power and Ground Distribution\Power Distribution Module\Service and Repair.
NO >> Refer to See: Testing and Inspection\Initial Inspection and Diagnostic Overview\Service Information For Electrical Incident\Intermittent Incident.