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Home >> Mercedes Benz >> 1992 >> 300CE >> Repair and Diagnosis >> Brakes >> Traction Control >> Brakes - 300E, 300CE & 300TE >> Diagnosis & Testing >> Test 2 >> Valve Relay

Valve Relay

  1. Set rotary switch to position 2 with ignition on. ANTI-LOCK should not be illuminated. Tester "2" LED should be illuminated. If tester LED and dash warning light respond as indicated, valve relay is okay. If tester LED and dash warning light do not respond as indicated, go to next step.
  2. Ensure wiring harness is not open or shorted. Replace defective valve relay as necessary. Repair or replace components and wiring as necessary.
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