The brake sensor wire (Lt Green) can be simulated with a toggle switch to ground.
Pink (CAR SPEED SIGNAL INPUT)
The mobile navigation system is connected here to detect the distance
the vehicle travels. Always connect the vehicle’s speed detection
circuit or the ND-PG1 speed pulse generator, sold separately. Failure
to make this connection will increase errors in the location display.
To lighting switch terminal
Used to detect the ON/OFF status of the parking brake. This lead
must be connected to the power supply side of the parking brake
switch. If this connection is made incorrectly or omitted, certain
functions of your navigation system will be unusable.
(REVERSEGEAR SIGNAL INPUT)
This is connected so that the navigation system can
detect whether the vehicle is moving forwards or
backwards. Connect the violet/white lead to the
lead whose voltage changes when the shift lever is
put in reverse. Unless connected, the sensor may
not detect your vehicle traveling forward/backward
properly, and thus the position of your vehicle
detected by the sensor may be misaligned from the
When you use the ND-PG1 speed pulse
generator (sold separately), please make sure
to connect this lead.
When you use a rear view camera, please make
sure to connect this lead. Otherwise you cannot
switch to rear view camera picture.
Further detail can be found here: