Ignition Relay Control
- Ipdm E/R Monitors The Voltage At The Contact And Excitation Coil Circuits Of Ignition Relay-1.
- Ipdm E/R Judges The Ignition Relay-1 Error If The Voltage Differs Between The Contact And Excitation Coil Circuits.
|
Voltage Judgement |
Ipdm E/R Judgement |
Operation |
|
|
Ignition Relay Contact Side |
Ignition Relay Control Condition |
||
|
On |
On |
Ignition Relay On Normal |
-- |
|
Off |
Off |
Ignition Relay Off Normal |
-- |
|
On |
Off |
Ignition Relay On Stuck |
Detects DTC [B20Dd: Ign Relay On Circ] |
|
Off |
On |
Ignition Relay Off Stuck |
Detects DTC [B20Df: Ign Relay Off Circ] |