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.