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Problem Symptoms Table

PROBLEM SYMPTOMS TABLE - SEAT BELT WARNING SYSTEM

Symptom Suspected Area
Driver seat belt warning lamp does not flash
  1. Buckle switch circuit (driver side)
  2. Bulb circuit (driver side)
  3. ECU power source circuit

If the 3 suspected areas above are functioning normally, replace the driver side J/B ECU.
Passenger seat belt warning lamp does not flash
  1. Buckle switch circuit (passenger side)
  2. Bulb circuit (passenger side)
Seat belt warning buzzer does not sound
  1. Buzzer circuit
  2. Buckle switch circuit (driver side)

If the 2 suspected areas above are functioning normally, replace the driver side J/B ECU.
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