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Home >> Infiniti >> 2012 >> G37 Base, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 108 (Power Control System (Sedan)) >> IPDM E/R >> DTC/Circuit Diagnosis >> DTC B2099: Ignition Relay Off Stuck >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

WARNING: This page is about a different variant/trim than selected.
DTC CONSULT 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.