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Volkswagen Golf Mk7 Service & Repair Manual: Checking auxiliary air heater element - Z35- with auxiliary air heater control unit - J604-, RHD vehicles

Using diagnostic tester with 100A current probe -VAS 5051B/7-, this page covers checking the RHD Volkswagen Golf Mk7 auxiliary air heater element -Z35- — the same intake and coolant temperature test conditions apply.

Checking
Special tools and workshop equipment required
Vehicle diagnostic tester with current probe 100 A -VAS 5051B/7-
Test conditions
Intake temperature less than 19° C
Coolant temperature less than 80° C
Passenger compartment temperature about 20° C
Battery voltage greater than 11 V
Alternator load not greater than 50 % (terminal DF)
Engine speed greater than 450 rpm
Turn rotary knob for interior temperature to highest temperature (on vehicles with Climatronic select highest level).
Test procedure
–  Remove centre console → General body repairs, interior; Rep. gr.68.
–  Remove glove compartment → General body repairs, interior; Rep. gr.68.
–  Detach dash board in vicinity of glove compartment far enough that dash board can be pulled away sufficiently to pull out auxiliary air heater element - Z35-.
   
–  Using vehicle diagnostic tester and current probe 100 A -VAS 5051B/7-, measure current draw -arrow- on earth wire -1- of auxiliary air heater element -Z35--2-.
Low heat output: ≈ 30 amps
Medium heat output: ≈ 60 amps
High heat output: ≈ 80 amps
 

Checking auxiliary air heater element - Z35- with auxiliary air heater control unit - J604-, RHD vehicles

    Questions & answers

    Checking auxiliary air heater element - Z35- with auxiliary air heater control unit - J604-, RHD vehicles — Volkswagen Golf Mk7

    How does Golf Mk7 -Z35- checking differ on RHD?
    Same diagnostic tester procedure, accessed from the mirrored position.
    Checking auxiliary air heater element -Z35- with auxiliary air heater control unit -J604-, LHD vehicles
    Checking Special tools and workshop equipment required Vehicle diagnostic tester with current probe 100 A -VAS 505 ...

    Removing and installing auxiliary air heater element -Z35- with auxiliary air heater control unit -J604-, LHD vehicles
    Removing –  Remove driver side knee airbag → General body repairs, interior; Rep. gr.69. –  ...