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DTC 52 - Valve Relay Always On

NOTE: DTC is output if ABS ECU detects relay is removed or if no power is supplied to relay and relay remains energized.
  1. Remove and test valve relay. See HYDRAULIC UNIT RELAYS  under COMPONENT TESTING. Replace relay if needed. If relay is okay, go to next step.
  2. Turn ignition off. Disconnect ABS ECU 26-pin connector. Turn ignition on. Check voltage between ABS ECU 26-pin connector terminal No. 13 and ground. See Figure . If battery voltage is present, replace ABS ECU. If battery voltage is not present, inspect and repair circuit between ABS ECU terminal No. 13 and relay connector.
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