Test sequence

2002 Volkswagen Golf GLS, 2.0 K, StandardSECTION Test sequence
WARNING: This page is about a different variant/trim than selected.
  • Remove wiper arms and plenum cover:

    See Plenum Cover Emoval & Installation

  • Connect test box VAG 1598/31 to control unit wiring harness.
  • Fig 1: Connecting Test Box VAG 1598/31 To Control Unit Wiring Harness
    G03459640Courtesy of VOLKSWAGEN OF AMERICA, INC.
  • Test for open circuit in wiring between dash panel insert and contact 27 on the test box, using wiring diagram
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.