P1480 – Secondary Air Injection Pump Relay Fault (Nissan)

Description

The ECM detected a malfunction in the secondary air injection pump relay.

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Symptoms

  • Check engine light
  • Poor emissions

Causes

  • Relay failure
  • Wiring issue
  • Pump fault

Diagnosis

  • Test relay
  • Inspect wiring
  • Scan SAI data

Repair

  • Replace relay
  • Repair wiring