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Home >> Mitsubishi >> 1994 >> Galant ES >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Diagnostic Testing >> Code 52: Valve Relay Always On

Code 52: Valve Relay Always On

  1. Remove and test valve relay. See HYDRAULIC UNIT RELAYS under COMPONENT TESTING. Replace relay if faulty. If relay is okay, ensure ignition is off. Disconnect ABS ECU harness connector.
  2. Turn ignition on. Measure voltage between ECU harness connector terminal No. 13 and ground. See Figure . If battery voltage is present, replace ABS ECU and retest. If battery voltage is not present, inspect and repair circuit between ECU terminal No. 13 and relay receptacle No. 5.
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