Power Window Control System (Diagnostics - Introduction): Diagnosis Scion tC II рестайлинг

HOW TO PROCEED WITH TROUBLESHOOTING [05/2013 - 01/2014]

HINT

1. Use these procedures to troubleshoot the power window control system.
2. *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP NEXT: Go to next step
2. INSPECT BATTERY VOLTAGE Standard voltage 11 to 14 V If the voltage is below 11 V, recharge or replace the battery before proceeding. NEXT: Go to next step
3. CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM* Check if the LIN communication system is functioning normally. RESULT Result Proceed to LIN DTC is not output A LIN DTC is output B B --> GO TO LIN COMMUNICATION SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [05/2013 - 01/2014]»(ref-615309-S21837371712014050900000) A: Go to next step
4. CHECK FOR DTC* Clear the DTC. Refer to «DTC CHECK / CLEAR [05/2013 - ]»(ref-615126-S07851877672014050900000) . Recheck for DTC. Refer to «DTC CHECK / CLEAR [05/2013 - ]»(ref-615126-S07851877672014050900000) . RESULT Result Proceed to No DTCs are output A DTC B2311, B2312 or B2313 is output B B --> GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART [05/2013 - 01/2014]»(ref-615126-S41127509942014050900000) A: Go to next step
5. PROBLEM SYMPTOMS TABLE Refer to Problem Symptoms Table. Refer to «PROBLEM SYMPTOMS TABLE [05/2013 - 01/2014]»(ref-615126-S29058511432014050900000) . RESULT Result Proceed to Fault not listed in problem symptoms table A Fault listed in problem symptoms table B B --> GO TO STEP 7 A: Go to next step
6. OVERALL ANALYSIS AND TROUBLESHOOTING* Operation Check. Refer to «OPERATION CHECK [05/2013 - ]»(ref-615126-S17723362982014050900000) . Terminals of ECU. Refer to «TERMINALS OF ECU [05/2013 - 01/2014]»(ref-615126-S21316001142014050900000) . Data List / Active Test. Refer to «DATA LIST / ACTIVE TEST [05/2013 - ]»(ref-615126-S20850968782014050900000) . NEXT: Go to next step
7. REPAIR OR REPLACE RESULT Result Proceed to Power window regulator motor assembly LH replaced or removed/installed A Power window regulator motor assembly LH not replaced or removed/installed B B --> GO TO STEP 9 A: Go to next step
8. RESET POWER WINDOW REGULATOR If a power window regulator switch LED is blinking, initialize the power window regulator. Refer to «FAIL-SAFE CHART [05/2013 - ]»(ref-615126-S03883838942014050900000) . NEXT: Go to next step
9. CONFIRMATION TEST NEXT --> END

HOW TO PROCEED WITH TROUBLESHOOTING [01/2014 - ]

HINT

1. Use these procedures to troubleshoot the power window control system.
2. *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP NEXT: Go to next step
2. INSPECT BATTERY VOLTAGE Standard voltage 11 to 14 V If the voltage is below 11 V, recharge or replace the battery before proceeding. NEXT: Go to next step
3. CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM* Check if the LIN communication system is functioning normally. RESULT Result Proceed to LIN DTC is not output A LIN DTC is output B B --> GO TO LIN COMMUNICATION SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [01/2014 - ]»(ref-615309-S12081060082014050900000) A: Go to next step
4. CHECK FOR DTC* Clear the DTC. Refer to «DTC CHECK / CLEAR [05/2013 - ]»(ref-615126-S07851877672014050900000) . Recheck for DTC. Refer to «DTC CHECK / CLEAR [05/2013 - ]»(ref-615126-S07851877672014050900000) . RESULT Result Proceed to No DTCs are output A DTC B2311, B2312 or B2313 is output B B --> GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART [01/2014 - ]»(ref-615126-S23176284932014050900000) A: Go to next step
5. PROBLEM SYMPTOMS TABLE Refer to Problem Symptoms Table. Refer to «PROBLEM SYMPTOMS TABLE [01/2014 - ]»(ref-615126-S38217956132014050900000) . RESULT Result Proceed to Fault not listed in problem symptoms table A Fault listed in problem symptoms table B B --> ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE A: Go to next step
6. OVERALL ANALYSIS AND TROUBLESHOOTING* Operation Check. Refer to «OPERATION CHECK [05/2013 - ]»(ref-615126-S17723362982014050900000) . Terminals of ECU. Refer to «TERMINALS OF ECU [01/2014 - ]»(ref-615126-S17872295812014050900000) . Data List / Active Test. Refer to «DATA LIST / ACTIVE TEST [05/2013 - ]»(ref-615126-S20850968782014050900000) . NEXT: Go to next step
7. REPAIR OR REPLACE RESULT Result Proceed to Power window regulator motor assembly LH replaced or removed/installed A Power window regulator motor assembly LH not replaced or removed/installed B B --> GO TO STEP 9 A: Go to next step
8. RESET POWER WINDOW REGULATOR If a power window regulator switch LED is blinking, initialize the power window regulator. Refer to «FAIL-SAFE CHART [05/2013 - ]»(ref-615126-S03883838942014050900000) . NEXT: Go to next step
9. CONFIRMATION TEST NEXT --> END

Scheme 1

Scheme 2

1. CHECK WINDOW LOCK SWITCH HINT: Before performing the window lock switch operation check, make sure that the window lock switch is off (the lock switch is not pushed in). Check that the front passenger side window cannot be operated when the window lock switch of the power window regulator master switch assembly is pushed in. OK Front passenger side window is disabled. Check that the front passenger side window can be operated when the window lock switch of the power window regulator master switch assembly is pushed in again. OK Front passenger side window operates normally.
2. CHECK MANUAL UP / DOWN FUNCTION Check that the driver side power window operates as follows: OK Condition Master Switch Switch Operation Power Window Ignition switch ON Driver side Pulled halfway up UP (Closes) Pushed halfway down DOWN (Opens) Check that the front passenger side window operates as follows: OK Condition Regulator Switch Switch Operation Power Window Ignition switch ON Window lock switch off Front passenger side Pulled up UP (Closes) Pushed down DOWN (Opens)
3. CHECK AUTO UP / DOWN FUNCTION Check that the driver side power window operates as follows: OK Condition Master Switch Switch Operation Power Window Ignition switch ON Driver side Pulled up (One touch operation) AUTO UP (Closes) Pushed down (One touch operation) AUTO DOWN (Opens)
4. CHECK REMOTE MANUAL UP / DOWN FUNCTION Check that the front passenger side window operates as follows: OK Condition Master Switch Switch Operation Power Window Ignition switch ON Window lock switch off Front passenger side Pulled up UP (Closes) Pushed down DOWN (Opens)
5. CHECK POWER WINDOW OPERATION FUNCTION AFTER IGNITION SWITCH IS TURNED OFF Check that all the power windows can be operated with the power window regulator master switch assembly and power window regulator switch assembly after the ignition switch is turned off. HINT: If the window lock switch is on, the windows cannot be operated using the power window regulator switch assembly and power window regulator master switch assembly (remote function). Therefore, turn the window lock switch off before checking the window operation. Check that the key-off operation function does not operate after the driver side door or front passenger side door is opened. HINT: When the driver side door or front passenger side door is opened during automatic window operation while the key-off operation function is on, the window stops operating. Check that all the power windows cannot be operated after more than approximately 43 seconds have elapsed since the ignition switch was turned off.
6. CHECK JAM PROTECTION FUNCTION (for Driver Side) Check the basic function. WARNING: Do not put your fingers between the door frame and door glass to check the jam protection function. Also, prevent any part of your body from being caught during inspection. HINT: The jam protection function is operative during both the auto up and manual up operations while the engine is running or the ignition switch is ON, and also 43 seconds have elapsed after the ignition switch is turned off. Fully open the window. Set a thick book wrapped with a piece of cloth near the window fully closed position. TEXT IN ILLUSTRATION *1 Thick Book *2 Cloth Operate the auto up or manual up function to check that the power window stops and goes down after the thick book is caught between the window and door frame, and stops when the opening reaches approximately 200 mm (7.87 in.) or until approximately 5 seconds elapse. HINT: The power window moves down approximately 125 mm (4.93 in.). However, when the opening does not reach 200 mm (7.87 in.), the power window continues to go down until the opening reaches 200 mm (7.87 in.) or until approximately 5 seconds elapse. While the power window is moving down, check that the door glass cannot be raised when the power window regulator master switch assembly is used.
7. CHECK POWER WINDOW REGULATOR MASTER SWITCH LED ILLUMINATION Check the LED illumination (power window regulator master switch assembly). Check that the LED located on the power window regulator master switch assembly illuminates when the ignition switch is turned to ON.

PROBLEM SYMPTOMS TABLE [05/2013 - 01/2014]

HINT

1. Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
2. Inspect the fuses and relays related to this system before inspecting the suspected areas below.

POWER WINDOW CONTROL SYSTEM

PROBLEM SYMPTOMS TABLE [01/2014 - ]

HINT

1. Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
2. Inspect the fuses and relays related to this system before inspecting the suspected areas below.

POWER WINDOW CONTROL SYSTEM

Scheme 3

Scheme 4

1. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Disconnect the E2 power window regulator motor assembly LH connector. Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition E2-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 ohms E2-2 (B) - Body ground L - Body ground Battery power supply Always 11 to 14 V Reconnect the E2 power window regulator motor assembly LH connector. Measure the voltage according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition E2-4 (AUTO) - E2-1 (GND) G - W-B Power window regulator motor assembly LH auto up or down input Ignition switch ON, door glass fully open 11 to 14 V E2-4 (AUTO) - E2-1 (GND) G - W-B Power window regulator motor assembly LH auto up or down input Ignition switch ON, power window auto up or down function operating Below 1 V E2-4 (AUTO) - E2-1 (GND) G - W-B Power window regulator motor assembly LH auto up or down input Ignition switch ON, door glass fully closed 11 to 14 V E2-5 (LED) - E2-1 (GND) B - W-B LED illumination signal Ignition switch ON 11 to 14 V E2-5 (LED) - E2-1 (GND) B - W-B LED illumination signal Approximately 43 seconds after ignition switch turned off Below 1 V E2-7 (DOWN) - E2-1 (GND) L - W-B Power window regulator motor assembly LH down output Ignition switch ON, power window regulator master switch assembly off 11 to 14 V E2-7 (DOWN) - E2-1 (GND) L - W-B Power window regulator motor assembly LH down output Ignition switch ON, power window regulator master switch assembly down Below 1 V E2-7 (DOWN) - E2-1 (GND) L - W-B Power window regulator motor assembly LH down output Ignition switch ON, door glass fully closed 11 to 14 V E2-7 (DOWN) - E2-1 (GND) L - W-B Power window regulator motor assembly LH down output Ignition switch ON, power window auto down function operating Below 1 V E2-7 (DOWN) - E2-1 (GND) L - W-B Power window regulator motor assembly LH down output Ignition switch ON, door glass fully open 11 to 14 V E2-10 (UP) - E2-1 (GND) BE - W-B Power window regulator motor assembly LH up output Ignition switch ON, power window regulator master switch assembly off 11 to 14 V E2-10 (UP) - E2-1 (GND) BE - W-B Power window regulator motor assembly LH up output Ignition switch ON, power window regulator master switch assembly up Below 1 V E2-10 (UP) - E2-1 (GND) BE - W-B Power window regulator motor assembly LH up output Ignition switch ON, door glass fully open 11 to 14 V E2-10 (UP) - E2-1 (GND) BE - W-B Power window regulator motor assembly LH up output Ignition switch ON, power window auto up function operating Below 1 V E2-10 (UP) - E2-1 (GND) BE - W-B Power window regulator motor assembly LH up output Ignition switch ON, door glass fully closed 11 to 14 V
2. CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) TEXT IN ILLUSTRATION *1 Main Body ECU (Multiplex Network Body ECU) - - Remove the main body ECU (multiplex network body ECU). Refer to «REMOVAL [05/2013 - 01/2014]»(ref-615304-S21964422262014050900000) . Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition A-29 (ACC) - Body ground - ACC power supply Ignition switch ACC 11 to 14 V A-30 (BECU) - Body ground - Battery power supply Always 11 to 14 V A-31 (ALTB) - Body ground - Battery power supply Always 11 to 14 V A-32 (IG) - Body ground - Ignition switch power supply Ignition switch ON 11 to 14 V A-11 (GND1) - Body ground - Ground Always Below 1 ohms Install the main body ECU (multiplex network body ECU). Refer to «REMOVAL [05/2013 - 01/2014]»(ref-615304-S21964422262014050900000) . Measure the voltage according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition C56-2 (PWS) - 2D-48 (GND1) V - W-B Power window relay operation signal Ignition switch ON 11 to 14 V C56-2 (PWS) - 2D-48 (GND1) V - W-B Power window relay operation signal Approximately 43 seconds after ignition switch turned off Below 1 V 2A-4 (FLCY) - 2D-48 (GND1) W - W-B Front door LH courtesy switch input Front door LH open Below 1 V 2A-4 (FLCY) - 2D-48 (GND1) W - W-B Front door LH courtesy switch input Front door LH closed 11 to 14 V 2D-52 (FRCY) - 2D-48 (GND1) GR - W-B Front door RH courtesy switch input Front door RH open Below 1 V 2D-52 (FRCY) - 2D-48 (GND1) GR - W-B Front door RH courtesy switch input Front door RH closed 11 to 14 V

DTC CHECK / CLEAR [05/2013 - ]

1. CHECK DTC Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Enter the following menus: Body Electrical / D-Door Motor / Trouble Codes. Check for DTCs.
2. CLEAR DTC Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Enter the following menus: Body Electrical / D-Door Motor / Trouble Codes. Clear the DTCs.

Scheme 5

Scheme 6

1. POWER WINDOW OPERATION IN FAIL-SAFE MODE (for Driver Side) HINT: If the pulse sensor built into a power window regulator motor assembly LH malfunctions, the power window control system enters fail-safe mode. The power window control system prohibits the following power window operations when the pulse sensor for the jam protection function has problems and the window position or the learned value is abnormal. POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY Power Window Operation Condition Ignition Switch ON Ignition Switch Off (Key-off Operation Permitted) Ignition Switch Off (Key-off Operation Prohibited) Manual up (Driver side door window) X X - Manual down (Driver side door window) o X - Auto up (Driver side door window) (hold switch in auto up position) o* X - Auto up (Driver side door window) X X - Auto down (Driver side door window) X X - HINT: o: Operates X: Operation prohibited *: Operates in manual mode without jam protection Power window switch LED control HINT: During normal operation (fail-safe is not operating), or during fail-safe mode when there is a pulse sensor malfunction or the window position or learned value is abnormal, the LED illuminates as shown in the illustration. For Driver Side: Fail-safe deactivation condition When the pulse sensor is normal, to deactivate fail-safe mode, pull up the power window regulator master switch assembly to the auto up position and hold it for at least 1 second to fully close the window from the fully open position. As a result, the auto up/down function will return. Initialization failure HINT: During initialization of the power window regulator motor ECU, when the window position or initialization complete status cannot be properly read from the EEPROM, the power window control system prohibits the operations as follows. POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY Power Window Operation Condition Ignition Switch ON Ignition Switch Off (Key-off Operation Permitted) Ignition Switch Off (Key-off Operation Prohibited) Manual up (Driver side door window) X X - Manual down (Driver side door window) o X - Auto up (Driver side door window) (hold switch in auto up position) o* X - Auto up (Driver side door window) X X - Auto down (Driver side door window) X X - HINT: o: Operates X: Operation prohibited *: Operates in manual mode without jam protection Power window switch LED control HINT: During initialization of the power window regulator motor ECU, when the window position or initialization complete status cannot be properly read from the EEPROM during fail-safe mode, the LED illuminates as shown in the illustration. For driver side: LIN communication failure HINT: If the LIN communication line malfunctions (communication stop), the power window control system prohibits the operations as follows. POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY Power Window Operation Condition Always Manual up o* Manual down o Auto up (hold switch in auto up position) - Auto up - Auto down - HINT: o: Operates X: Operation prohibited *: Jam protection can operate. LIN communication failure and pulse sensor failure HINT: If the LIN communication line malfunctions (communication stop) and the pulse sensor for the jam protection function has problems, the power window control system prohibits the operations as follows. POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY Power Window Operation Condition Always Manual up X Manual down X Auto up (hold switch in auto up position) X Auto up X Auto down X HINT: X: Operation prohibited Driver door window: When the jam protection function does not operate due to a LIN communication failure, the manual up and auto up functions will not operate. LIN communication failure and abnormal window position learned value or initialization failure HINT: If the LIN communication line malfunctions (communication stop) and the window position or the learned value is abnormal, the power window control system prohibits the operations as follows. POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY Power Window Operation Condition Always Manual up o* Manual down o Auto up (hold switch in auto up position) - Auto up - Auto down - HINT: o: Operates *: Jam protection can operate and the window reverses upon reaching the fully closed position.

DATA LIST / ACTIVE TEST [05/2013 - ]

1. DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time. NOTE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Enter the following menus: Body Electrical / (desired system) / Data List. According to the display on the Techstream, read the Data List. D-DOOR MOTOR Tester Display Measurement Item/Range Normal Condition Diagnostic Note D Door P/W Auto SW Driver side power window auto up/down signal / ON or OFF ON: Driver side power window auto up/down switch operated OFF: Driver side power window switch not operated - D Door P/W Up SW Driver side power window manual up signal / ON or OFF ON: Driver side power window manual up switch operated OFF: Driver side power window switch not operated - D Door P/W Down SW Driver side power window manual down signal / ON or OFF ON: Driver side power window manual down switch operated OFF: Driver side power window switch not operated - Glass Position (Close-1/4) Jam protection status of window glass within range of fully closed to 1/4 open position / OK or Caution OK: Power window regulator motor assembly LH operates normally between fully closed and 1/4 open positions Caution: Jam protection function operating due to detection of foreign object or irregular movement - Glass Position (1/4-2/4) Jam protection status of window glass within range of 1/4 open to 1/2 open position / OK or Caution OK: Power window regulator motor assembly LH operates normally between 1/4 open and 1/2 open positions Caution: Jam protection function operating due to detection of foreign object or irregular movement - Glass Position (2/4-3/4) Jam protection status of window glass within range of 1/2 open to 3/4 open position / OK or Caution OK: Power window regulator motor assembly LH operates normally between 1/2 open and 3/4 open positions Caution: Jam protection function operating due to detection of foreign object or irregular movement - Glass Position (3/4-Open) Jam protection status of window glass within range of 3/4 open to fully open position / OK or Caution OK: Power window regulator motor assembly LH operates normally between 3/4 open and fully open positions Caution: Jam protection function operating due to detection of foreign object or irregular movement - Number of Trouble Codes Number of trouble codes / Min.: 0, Max.: 255 Number of DTCs stored - MAIN BODY Tester Display Measurement Item/Range Normal Condition Diagnostic Note FL Door Courtesy Front door courtesy light switch assembly LH signal / ON or OFF ON: Front door LH open OFF: Front door LH closed - FR Door Courtesy Front door courtesy light switch assembly RH signal / ON or OFF ON: Front door RH open OFF: Front door RH closed - Communication D-Door Motor Connection status between power window regulator motor assembly LH and main body ECU / OK or STOP OK: Connected STOP: Not connected
2. ACTIVE TEST HINT: Using the Techstream to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered before parts or wiring is disturbed. Performing Active Tests early in troubleshooting is one way to save diagnostic time. Data List information can be displayed while performing Active Tests. Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Enter the following menus: Body Electrical / (desired system) / Active Test. According to the display on the Techstream, perform the Active Test. WARNING: Be careful to avoid injuries as this test causes vehicle parts to move. During the Active Test, the jam protection function does not operate. D-DOOR MOTOR Tester Display Test Part Control Range Diagnostic Note Power Window Driver side power window OFF/UP/DOWN - HINT: Up and down movement does not occur if the arrow is not pressed and held. MAIN BODY Tester Display Test Part Control Range Diagnostic Note IG OFF P/W Control Permission Output Power window OFF / ON Perform this Active Test with the ignition switch off HINT: If Active Test is turned on, only the driver side power window does not operate.

DIAGNOSTIC TROUBLE CODE CHART [05/2013 - 01/2014]

HINT

If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See Service Information" below.

POWER WINDOW CONTROL SYSTEM

DIAGNOSTIC TROUBLE CODE CHART [01/2014 - ]

HINT

If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See Service Information" below.

POWER WINDOW CONTROL SYSTEM