P1120high severityPowertrain

Accelerator Pedal Position Sensor Circuit

on 1997 Toyota Camry 3.0L V6 · FWD

What this code means

The ECM detected a malfunction in the APP sensor circuit that communicates throttle demand.

Symptoms

  • CEL
  • Reduced power
  • Erratic throttle
  • Engine may not rev

Common causes

  • Faulty APP sensor
  • Damaged wiring
  • Corroded connector
  • Faulty ECM

Diagnostic steps

  1. Test APP sensor voltage
  2. Inspect connector
  3. Check wiring continuity
  4. Test with scan tool

Repair notes

Replace APP sensor or repair wiring.

Other Powertrain codes on this vehicle

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