Electronic ignition/starter switch, location/function - GF80.57-P-4113C

MODEL 210 

Functions 

• Connection between passenger compartment bus and engine compartment bus
• Coded infrared communication with key
• Power supply for key
• Preliminarily arresting and holding key in "Position 0"
• Locking key in "Position circuit 15 ON"
• Rotary locking key
• Shift lock in combination with automatic transmission control
• Closing key opening when key is removed

Function sequence in electronic ignition/starter switch control module (EIS) 

• Power supply to key
• Reception of start message from key
• Request for authentication value from key
• Checking authentication value
• Sending valid authentication value to electric steering lock control module
• Receiving enable message from electric steering lock control module
• Enabling "Turn key"
• Reception of request from engine control module
• Calculation of value based on request from engine control module
• Transmission of calculated value to engine control module
• Reception of comparison calculation from engine control module
• Transmission of authentication successful message to key