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Power Window Control System:

POWER WINDOW SYMPTOM control SYSTEM

Symptom Suspect Area See Section
All the power window does not operate.
  1. Power source circuit
  2. Power window switch circuit
  3. Driver door ECU
  1. POWER SOURCE CIRCUIT 
  2. DTC B1221 POWER WINDOW SWITCH CIRCUIT ON DRIVER, DTC B1222 DOOR LOCK SWITCH CIRCUIT ON DRIVER DOOR 
  3. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Driver side power window does not operate.
  1. Power window motor circuit
  2. Driver door ECU
  1. POWER WINDOW MOTOR CIRCUIT 
  2. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Jam protection function and auto up or down function does not operate.
  1. Jam protection limit switch circuit
  2. Jam protection pulse switch circuit
  3. Driver door ECU
  4. Theft deterrent ECU
  1. DTC B1231 JAM PROTECTION LIMIT SWITCH CIRCUIT ON DRIVER DOOR 
  2. DTC B1232 JAM PROTECTION PULSE SWITCH CIRCUIT ON DRIVER DOOR 
  3. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
  4. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Window lock function does not operate.
  1. Power window switch circuit
  2. Driver door ECU
  1. DTC B1221 POWER WINDOW SWITCH CIRCUIT ON DRIVER, DTC B1222 DOOR LOCK SWITCH CIRCUIT ON DRIVER DOOR 
  2. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Remote control of all windows (Except driver side) does not operate with master switch. (Window operates normally with each of master switch.)
  1. Power window switch circuit
  2. Driver door ECU
  1. DTC B1221 POWER WINDOW SWITCH CIRCUIT ON DRIVER, DTC B1222 DOOR LOCK SWITCH CIRCUIT ON DRIVER DOOR 
  2. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
The key related power window operations cannot be done with driver door key cylinder. (Master switch operation is normal.)
  1. Door key lock and unlock switch circuit
  2. Inspect door lock control system
  3. Power window switch circuit
  4. Driver door ECU
  1. DOOR KEY LOCK AND UNLOCK SWITCH CIRCUIT 
  2. INSPECTION
  3. DTC B1221 POWER WINDOW SWITCH CIRCUIT ON DRIVER, DTC B1222 DOOR LOCK SWITCH CIRCUIT ON DRIVER DOOR 
  4. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Power window does not operate with keyless entry transmitter. (Windows operate normally with master switch.)
  1. Inspect wireless door lock control system
  2. Replace driver door ECU
  3. Theft deterrent ECU
  1. INSPECTION
  2. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
  3. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Window moves down without being ordered during the up operation.
  1. Jam protection limit switch circuit
  2. Power window motor circuit
  3. Is the window regulator installed correctly?
  4. Driver door ECU
  1. DTC B1231 JAM PROTECTION LIMIT SWITCH CIRCUIT ON DRIVER DOOR 
  2. POWER WINDOW MOTOR CIRCUIT 
  3. -
  4. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
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