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Passenger Door Key Cylinder Disarm Switch Failure

Tests 1 - 3:




SYMPTOM
PASSENGER DOOR KEY CYL DISARM switch FAILURE

WHEN MONITORED:
Each switch inside the door has a unique resistance value which when activated sends a voltage level to the BCM. The BCM will interpret the different levels and perform the desired function.

SET CONDITION:
The BCM senses a voltage of 2.0 volts (± 250 mV) on the RF door switch MUX circuit for longer than 8 seconds.

POSSIBLE CAUSES
- Passenger door key switch stuck in UNLOCK position
- Passenger door key switch sticking
- Passenger door key cylinder switch defective