Back to 1997 Toyota 4Runner

1997 TOYOTA 4RUNNER

3.0L V64WDAUTOMATICgas
4 active safety recalls on this vehicle — view recalls
Repairs0Labor519Torque3891Fluid9DTC654Battery1Maintenance0Recalls4
B0004critical severityBody

Passenger Frontal Stage 2 Deployment Control

on 1997 Toyota 4Runner 3.0L V6 · 4WD

What this code means

Malfunction in the passenger frontal airbag stage 2 deployment circuit. The stage 2 inflator provides additional inflation force during severe frontal collisions.

Symptoms

  • Airbag warning light on
  • Passenger airbag OFF indicator illuminated
  • SRS system fault stored
  • Airbag may not deploy fully in a crash

Common causes

  • Faulty airbag inflator module
  • Damaged wiring harness under dash
  • Airbag control module failure
  • Corroded connector at airbag module

Diagnostic steps

  1. Scan SRS module for codes
  2. Inspect passenger airbag connector
  3. Measure circuit resistance
  4. Check wiring harness from module to airbag
  5. Verify airbag control module power and ground

Repair notes

Professional airbag service required. Do not attempt DIY airbag repairs. Disconnect battery and wait 10 minutes before working near airbag components.

Other Body codes on this vehicle

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