LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2004 >> Highlander Limited, AWD >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System - Diagnostics >> Problem Symptoms Table
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Problem Symptoms Table

PROBLEM SYMPTOMS TABLE - POWER WINDOW CONTROL SYSTEM

Problem Symptom Suspected Area
B1221/21 (Door ECU SW ON)
  1. Power window regulator master switch assy (door ECU)
B1231/31 (Driver side jam protection limit switch malfunctions)
  1. Power window regulator motor assy LH
B1232/32 (Driver side jam protection sensor malfunctions)
  1. Power window regulator motor assy LH
AUTO UP/AUTO DOWN does not operate (only driver side)
  1. Power window regulator master switch assy (door ECU)
  2. Power window regulator motor assy LH
Power window operation is impossible by operation interlocked with key (only driver side)
  1. Front door lock assy RH
  2. Power window regulator master switch assy (door ECU)
Operation is impossible after key-OFF (only driver side)
  1. Front door courtesy lamp switch assy
  2. Multiplex network body ECU
Driver's side power window does not operate
  1. P FR DOOR 20 A fuse
  2. ECU-B 7.5 A fuse
  3. IG1 7.5 A fuse
  4. Power window regulator master switch assy (door ECU)
  5. Power window regulator motor assy RH
  6. Wire harness
Window operation via regulator switch for each seat is impossible
  1. P FR DOOR 20 A fuse
  2. D FR DOOR 25 A fuse
  3. D RR DOOR 20 A fuse
  4. PRR DOOR 20 A fuse
  5. Power window regulator master switch assy (door ECU)
  6. Power window regulator switch assy
  7. Power window regulator motor assy RH
  8. Power window regulator motor assy LH
  9. Wire harness
Remote operation of other seat via master switch is impossible
  1. Power window regulator master switch assy (door ECU)
  2. Multiplex network body ECU
  3. Wire harness