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Home >> Lexus >> 2005 >> ES 330 >> Repair and Diagnosis >> External Pages >> Different car >> Section 137 (Power Back Door System - Diagnostics) >> Power Back Door System >> Problem Symptoms Table
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Problem Symptoms Table

WARNING: This page is about a different car, the 2005 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
PROBLEM SYMPTOMS TABLE - POWER BACK DOOR SYSTEM

Symptom Suspected Area
Power back door does not operate when switch* is pressed (* "Switch" indicates the satellite switch for power back door)
  1. ECU-Bfuse
  2. Power back door main switch
  3. Satellite switch
  4. Power back door touch sensor LH
  5. Power back door touch sensor RH
  6. Power back door drive unit
  7. Back door lock assy
  8. Power back door ECU
  9. Instrument panel J/B assy (multiplex network body ECU)
  10. Wire harness
Jam protection function is activated while power back door is operating (for some reasons* )
(* It may be caused by ill-fitting back door, faulty touch sensor or faulty pulse sensor)
  1. Fitting condition of back door
  2. Power back door touch sensor LH
  3. Power back door touch sensor RH
  4. Power back door ECU
  5. Wire harness
Power back door warning buzzer does not sound
  1. Power back door warning buzzer
  2. Power back door ECU
  3. Wire harness
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