Titan 2WD V8-5.6L (VK56) (2004)
Power Distribution Module: Symptom Related Diagnostic Procedures
Function of Detecting Ignition Relay Malfunction
Function of Detecting Ignition Relay Malfunction
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When the integrated ignition relay is stuck in a "closed contact" position and cannot be turned OFF, IPDM E/R turns ON tail and parking lamps
for 10 minutes to indicate IPDM E/R malfunction.
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When the state of the integrated ignition relay does not agree with the state of the ignition switch signal received via CAN communication, the
IPDM E/R activates the tail lamp relay.
IPDM E/R Power/Ground Circuit Inspection