Ignition Relay Control
- The IPDM E/R monitors the voltage at the contact circuit of the ignition relay-1 inside it.
- The IPDM E/R judges the ignition relay-1 error if the voltage differs between the contact circuit.
|
Voltage judgement |
IPDM E/R judgement |
Operation |
|
|
Ignition relay-1 contact side |
Ignition relay-1 control condition |
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|
ON |
ON |
Ignition relay-1 ON normal |
-- |
|
OFF |
OFF |
Ignition relay-1 OFF normal |
-- |
|
ON |
OFF |
Ignition relay-1 ON stuck |
Detects DTC [B20DD-73: IGN RELAY ON CIRC] |
|
OFF |
ON |
Ignition relay-1 OFF stuck |
Detects DTC [B20DE-72: IGN RELAY OFF CIRC] |