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Home >> Audi >> 1998 >> A4 Avant >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Component Testing >> Rpm Sensor

Rpm Sensor

  1. Turn ignition off. Remove instrument cluster. Disconnect Yellow 26-pin harness connector. See Fig 1. Inspect connectors and terminals for damage. If connectors and terminals are okay, go to next step. If connectors and/or terminals are damaged, repair as necessary.
  2. Connect Adapter Harness (VAG 1598/4) to Yellow 26-pin harness connector and Test Box (VAG 1598A). Connect Green test lead of Tester (VW 1367) to terminal No. 3 of test box. Start engine. Engine speed should be indicated on tester. If engine speed is not indicated, check for open in wiring. If wiring is okay, replace RPM sensor.
Fig 1: Instrument Panel Yellow 26-Pin Connector Terminals
G97H04186Courtesy of AUDI OF AMERICA, INC.
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