P1124 – Throttle Control Motor Relay (Nissan)

Description

The ECM detected a malfunction in the throttle control motor relay.

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Symptoms

  • Poor acceleration
  • Limp mode
  • Unstable idle
  • Throttle not responding
  • Check engine light

Causes

  • Faulty relay
  • Corroded contacts
  • Wiring issues
  • Connector failure

Diagnosis

  • Test relay operation
  • Inspect wiring
  • Check connectors
  • Measure voltage

Repair

  • Replace relay
  • Repair wiring
  • Clean connectors