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.