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Bosch ME7.2 EMS DTC P1413 - Secondary Air Pump Output Drive Fault: Last Occurrence - Minimum Signal: Check

  1. SHORT_CIRCUIT

    Short circuit C0331/3 (NU) to ground. Check resistance < 5.0ohm.

  2. CONNECTOR

    Connectors C0331, C1886. Check for connector not correctly latched, backed out pins, damaged pins, corroded pins.

  3. RELAY

    Secondary air pump relay. Check for relay not correctly seated, backed out pins, damaged pins, corroded pins, relay coil open circuit, faulty relay contacts, ensure power & ground feeds to relay coil are present and that the relay is energized.

  4. Secondary Air Pump

    No detail available for this fault
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