P1122 – Throttle Position Sensor Low Input (Nissan)

Description

The ECM detected a low input signal from the throttle position sensor.

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Symptoms

  • Poor acceleration
  • Hesitation
  • High idle
  • Check engine light

Causes

  • Open circuit
  • Faulty TPS sensor
  • Connector corrosion
  • Wiring damage

Diagnosis

  • Check wiring continuity
  • Inspect TPS sensor
  • Check connectors
  • Scan live data

Repair

  • Repair wiring
  • Replace TPS sensor
  • Clean connectors

Related Problems

Related Fault Codes