Volkswagen Workshop Service and Repair Manuals > Golf Mk6 > Heating, ventilation, air conditioning system | Auxiliary heater | Aux. heater/heater booster

Checking connector

Special tools and workshop equipment required

t	Hand multimeter -V.A.G 1526B-

Checking

1 -	Single phase 230 V or 115 V

2 -	Neutral conductor

3 -	Earth conductor

–	Measure between pin -1- and -3-. Specification: ∞

–	Measure between pin -2- and -3-. Specification: ∞

–	Measure continuity from pin -3- to negative terminal of vehicle battery (vehicle earth). Specification: 0-1

If value deviates from specification, check wiring as well as earth connection for damage. Renew defective wiring harness with a genuine part.

Volkswagen Workshop Service and Repair Manuals