FixVault

Ignition Relay Malfunction Detection Function

Voltage Judgment IPDM E/R Judgment Operation
Ignition Relay Contact Side Ignition Relay Excitation Coil Side
ON ON Ignition relay ON normal -
OFF OFF Ignition relay OFF normal -
ON OFF Ignition relay ON stuck
  • Detects DTC "B2098: IGN RELAY ON"
  • Turns ON the tail lamp relay for 10 minutes
OFF ON Ignition relay OFF stuck Detects DTC "B2099: IGN RELAY OFF"