Armada 4WD V8-5.6L (VK56DE) Flex Fuel (2009)
BCM (Body Control Module)
BCM (BODY CONTROL MODULE)
Fail Safe
Fail-safe index
BCM performs fail-safe control when any DTC listed below is detected.
IPDM E/R (Intelligent Power Distribution Module Engine Room)
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
Fail Safe
CAN COMMUNICATION CONTROL
When CAN communication with ECM and BCM is impossible, IPDM E/R performs fail-safe control. After CAN communication recovers normally,
it also returns to normal control.
If No CAN Communication Is Available With ECM
If No CAN Communication Is Available With BCM
IGNITION RELAY MALFUNCTION DETECTION FUNCTION
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IPDM E/R monitors the voltage at the contact circuit and excitation coil circuit of the ignition relay inside it.
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IPDM E/R judges the ignition relay error if the voltage differs between the contact circuit and the excitation coil circuit.
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If the ignition relay cannot turn OFF due to contact seizure, it activates the tail lamp relay for 10 minutes to alert the user to the ignition relay
malfunction when the ignition switch is turned OFF.