Unlocking all the doors with the remote control

Fig 1: Identifying Communication System - Unlocking All Doors With Remote Control

Courtesy of SAAB-SCANIA OF AMERICA, INC.

To unlock with the remote control - press button B once and all the doors will be unlocked.

When the button on the remote control is pressed, it transmits a signal to the receiver. The receiver processes the signal and transmits it to the TWICE control module.

A short voltage pulse (0.8 sec.) is emitted from the TWICE control module

• pin 26 to the driver's door
• pin 69 to the passenger door
• pin 49 to the rear doors

The lock motors are grounded to the TWICE control module by

• pins 42 and 22, driver's door
• pins 66 and 22, passenger door
• pins 20 and 22, rear doors
  Fig 2: Circuit Diagram - Unlocking All Doors With Remote Control

  Courtesy of SAAB-SCANIA OF AMERICA, INC.