Volkswagen Polo Service & Repair Manual: High Pressure Sensor -G65

Volkswagen Polo Service & Repair Manual / Refrrigerant R134a Servicing / Refrigerant Circuit General Information / Switches and Sensors on Refrigerant Circuit and Connections / High Pressure Sensor -G65

Note

For switching pressures, removing and installing switches and switch arrangement and version, see vehicle-specific refrigerant circuit.

Refer to → Rep. Gr.87.

This High Pressure Sensor -G65- is installed in place of an A/C Pressure Switch -F129-.

The high-pressure sensor generates a square-wave signal or a data telegram when voltage is applied. This signal changes along with pressure in the system.

The downstream control modules (coolant fan control module, ECM), Front A/C Display Control Head -E87- or Climatronic Control Module -J255-, etc.) use this signal to calculate pressure in the refrigerant circuit and to activate the coolant fans and motor and A/C Clutch -N25- or to change the A/C Compressor Regulator Valve -N280- activation.

High Pressure Sensor -G65

A/C Pressure Switch -F129

Note For switching pressures, removing and installing switches and switch arrangement and version, see vehicle-specific refrigerant circuit. ...

A/C Pressure/Temperature Sensor -G395

Note For switching pressures, removing and installing switches and switch arrangement and version, see vehicle-specific refrigerant circuit. ...

Other materials:

Fuses in the vehicle
Fig. 172 Dash panel on the driver side: fuse box cover Fig. 173 In the front left of the engine compartment: fuse box cover First read and observe the introductory information and safety warnings Fuses must always be replaced by a new fuse with the same amp rating (same colour and marki ...

Introduction
This chapter contains information on the following subjects: → Preparing the vehicle for working in the engine compartment → Opening and closing the bonnet Always park the vehicle on a level and stable surface before carrying out any work in the engine compartment. The engine ...

Snow chains
First read and observe the introductory information and safety warningsPlease heed legislation and also the permitted speed when driving your vehicle with snow chains. In winter conditions, snow chains will not only improve acceleration, but also braking response. Snow chains may be fitted ...