Parktronic system (PTS) control unit, component description

P54.65-2919-04

Vehicles up to model year 08/YoM 07

N62 PTS control unit

Location (up to model year 08/YoM 07)

The PTS control unit is located to the left in the trunk behind the left paneling on a control unit carrier.

P54.65-3617-01

Vehicles as of model year 09/YoM 08

N40/3 Amplifier for sound system

N62 PTS control unit

Location (as of model year 09/YoM 08)

The PTS control unit is located in the trunk behind the left paneling (on vehicles with code (810) Sound system, behind the amplifier for sound system).

Task

The PTS control unit undertakes the actuation and evaluation of the PTS sensor unit, front bumper (A42) and PTS sensor unit, rear bumper (A43). If an obstruction is detected, a warning is given via the center dashboard PTS warning indicator (A44/4) or the rear PTS warning indicator (A44/3). The PTS control unit also actuates the dimming of the warning elements of the PTS warning indicators.

 The PTS control unit is connected with the Controller Area Network Bus Class B (interior) (CAN-B) for the purpose of data exchange.

Discrete inputs and outputs

 Front bumper PTS sensor unit and rear bumper PTS sensor unit

 Center dashboard PTS warning indicator and rear PTS warning indicator

Inputs via interior CAN

 Reverse gear signal from central gateway control unit (N93)

 Terminal status from EIS [EZS] control unit (N73)

 Vehicle speed from instrument cluster (A1)

 Day/night detection by rain/light sensor (B38/2) via overhead control panel control unit (N70)

 Signal of parking brake indicator switch (S12) from driver-side SAM control unit with fuse and relay module (N10/1)

Outputs via interior CAN

 Signal for muting the audio components to audio gateway control unit (N93/1)