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Home >> Infiniti >> 2010 >> EX35 Base, AWD >> Repair and Diagnosis >> Electrical >> Body Electrical >> Power Control System >> IPDM E/R >> Component Diagnosis >> DTC B2099: Ignition Relay Off Stuck >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

DTC DETECTION LOGIC

DTC CONSULT-III display description DTC Detection Condition Possible causes
B2099 IGN RELAY OFF The ignition relay OFF is detected for 1 second at ignition switch ON (CPU monitors the status at the contact and excitation coil circuits of the ignition relay inside it) Ignition relay malfunction
NOTE: When IPDM E/R power supply voltage is low (Approx. 7 - 8 V for about 1 second), the "DTC: B2099" may be detected.