Training Center of After-Sales Department Chery International
6. Anti-theft alarm and locking system
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3. Function description
External fault protection:
BCM directly drives the alarm siren. When alarm siren output terminal is shorted to GND, BCM
driver chip will automatically enter protection mode, and stop high voltage output to avoid burning
of wires.
Following fault code strategies are supported:
DTC
DTC parameter
Description Fault type
HIGH MIDDLE LOW
B101D-11 90 1D 11
Control circuit
of alarm siren
output terminal
Shorted to GND
B101D-12 90 1D 12 Shorted to power supply
B101D-13 90 1D 13 Output open circuit
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