Power Window Control System (Diagnostic Codes & Symptom Tests): Overview Toyota 4Runner V

DESCRIPTION

The power window regulator motor is operated by the multiplex network master switch or power window regulator switch. The power window regulator motor assembly has motor and ECU functions.

This DTC is stored when the power window regulator motor has a malfunction, or the ECU built into the regulator motor determines that the fully closed window position has deviated approximately 20 mm (0.787 in.) or more from the normal position.

HINT

DTC B2311 can be stored in each power window regulator motor (power window ECU).

D-DOOR MOTOR

P-DOOR MOTOR

RL-DOOR MOTOR

RR-DOOR MOTOR

The power window regulator motor is operated by the back door power window regulator switch. The back power window regulator motor assembly has motor and ECU functions.

This DTC is stored when the back door power window regulator motor assembly has a malfunction, or the ECU built into the regulator motor determines that the fully closed window position has deviated approximately 20 mm (0.787 in.) or more from the normal position.

HINT

DTC B2311 can be stored in back door power window regulator motor (power window ECU).

BACK DOOR P/W

The power window regulator motor is driven by operating the power window regulator switch. The power window regulator motor assembly consists of the motor and ECU.

This DTC is output when the ECU built into the regulator motor and master switch determines that the multiplex network master switch assembly or power window regulator switch assembly is stuck.

HINT

This DTC may be stored for all the windows.

Note. When a power window regulator is reinstalled or replaced, the power window control system must be initialized. After any door glass or a door glass run has been replaced, the jam protection function may operate unexpectedly when the auto up function is used. In such cases, the auto up function can be resumed by repeating the following operation at least 5 times: Close the power window by fully pulling up the power window switch and holding it in the auto up position. Open the power window by fully pushing down the power window switch.

MASTER SWITCH

D-DOOR MOTOR

P-DOOR MOTOR

RL-DOOR MOTOR

RR-DOOR MOTOR

Scheme 116

Scheme 117

Scheme 118

Scheme 119

1. for Front LH
2. for Front RH
3. for Rear LH
4. for Rear RH

This DTC is stored when the back door power window regulator motor is stuck.

Note. When a power window regulator is reinstalled or replaced, the power window control system must be initialized.

BACK DOOR P/W

Scheme 120

Scheme 121

1. CHECK FOR DTC Clear the DTC. Refer to DTC CHECK / CLEAR. Check for DTCs. Refer to DTC CHECK / CLEAR. RESULT Result Proceed to No DTCs output A DTC B2312 is output B B --> See step 2 A --> END
2. CHECK MULTIPLEX NETWORK DOOR ECU (BACK DOOR P/W) Measure the resistance according to the value(s) in the table below. Standard Voltage Tester Connection Tool Setting Switch Condition Specified Condition W10-14 (BUP2) - W10-1 (E4) 2 V/DIV., 100 ms/DIV. Ignition switch ON, back door power window regulator switch up Pulse generation see scheme 11 W10-13 (BDN2) - W10-1 (E4) 2 V/DIV., 100 ms/DIV. Ignition switch ON, back door power window regulator switch down Pulse generation (Scheme 121) W10-12 (AUT2) - W10-1 (E4) 2 V/DIV., 100 ms/DIV. Ignition switch ON, back door power window auto up or auto down function operating Pulse generation (Scheme 121) NG --> REPLACE MULTIPLEX NETWORK DOOR ECU (BACK DOOR P/W) OK: Go to next step
3. CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK DOOR ECU - BACK DOOR POWER WINDOW REGULATOR MOTOR ASSEMBLY) Disconnect the W9 back door power window regulator motor connector. Disconnect the W10 multiplex network door ECU connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition W9-10 (UP) - V10-14 (BUP2) Always Below 1 ohms W9-7 (DOWN) - V10-13 (BDN2) Always Below 1 ohms W9-4 (AUTO) - V10-12 (AUT2) Always Below 1 ohms W9-1 (GND) - V10-1 (E4) Always Below 1 ohms W9-10 (UP) - Body ground Always 10 kohms or higher W9-7 (DOWN) - Body ground Always 10 kohms or higher W9-4 (AUTO) - Body ground Always 10 kohms or higher W9-1 (GND) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> REPLACE BACK DOOR POWER WINDOW REGULATOR MOTOR ASSEMBLY

The power window regulator motor is driven by operating the power window switch. The power window regulator motor assembly has a motor and ECU.

When the ECU determines that the power window regulator motor has not been initialized, DTC B2313 is stored.

HINT

This DTC may be stored for all the windows.

Note. When a power window regulator motor is reinstalled or replaced, the power window control system must be initialized. After any door glass or a door glass run has been replaced, the jam protection function may operate unexpectedly when the auto up function is used. In such cases, the auto up function can be resumed by repeating the following operation at least 5 times: Close the power window by fully pulling up the power window switch and holding it in the auto up position. Open the power window by fully pushing down the power window switch.

D-DOOR MOTOR

P-DOOR MOTOR

RL-DOOR MOTOR

RR-DOOR MOTOR

The power window regulator motor is driven by operating the back door power window regulator switch. The power window regulator motor assembly has a motor and ECU.

When the ECU determines that the power window regulator motor has not been initialized, DTC B2313 is stored.

HINT

This DTC may be stored for all the windows.

Note. When a power window regulator motor is reinstalled or replaced, the power window control system must be initialized. After any door glass or a door glass run has been replaced, the jam protection function may operate unexpectedly when the auto up function is used. In such cases, the auto up function can be resumed by repeating the following operation at least 5 times: Close the power window by fully pulling up the power window switch and holding it in the auto up position. Open the power window by fully pushing down the power window switch.

BACK DOOR P/W

If the auto up/down function does not operate, the cause may be one or more of the following

1. The ECU in the back door power window regulator motor determines that the back door power window regulator motor has not been initialized.
2. The rear back door power window regulator switch has a malfunction.
3. The Hall IC in the back door power window regulator motor has a malfunction.
4. There is an open or short in the wiring between the back door power window regulator switch and back door power window regulator motor.

Scheme 122

When the ignition switch is ON and the window lock switch is off, the multiplex network master switch sends remote up/down signals to each power window regulator motor via the LIN communication line.

Scheme 123

1. CHECK LIN COMMUNICATION SYSTEM Check for LIN communication system DTCs related to the power window control system. Refer to HOW TO PROCEED WITH TROUBLESHOOTING . OK LIN communication system DTCs are not output. NG --> See step 3 OK: Go to next step
2. CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY (WINDOW LOCK SWITCH) Turn the window lock switch off and operate the switches on the multiplex network master switch. Check that the remote up/down function operates. Refer to OPERATION CHECK . OK Remote up/down function operates. NG --> See step 4 OK --> END
3. GO TO LIN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING
4. REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY. Refer to REMOVAL

If the back door power window does not operate, the retract switch in the rear wiper motor, the back door power window regulator motor or the wire harness may be abnormal.

Scheme 124

Scheme 125

Scheme 126

Scheme 127

Scheme 128

1. SYSTEM CHECK Check the back door switch. Result Proceed to All back door switches do not operate A Back door power window regulator switch does not operate B Tail gate control switch does not operate C Back door control switch does not operate D B --> See step 8 C --> See step 16 D --> See step 17 A: Go to next step
2. CHECK LIGHTING SYSTEM (BACK DOOR COURTESY LIGHT SWITCH) Use the Data List to check if the back door courtesy light switch is functioning properly. Refer to DATA LIST / ACTIVE TEST . BACK DOOR P/W Tester Display Measurement Item/Range Normal Condition Diagnostic Note Back Door Courtesy Switch Back door courtesy light switch signal / ON or OFF ON: Back door open OFF: Back door closed - OK On tester screen, item changes between ON and OFF according to above chart. NG --> See step 10 OK: Go to next step
3. CHECK REAR WIPER SYSTEM (REAR WIPER POSITION) Use the Data List to check if the rear wiper is functioning properly. Refer to DATA LIST / ACTIVE TEST . BACK DOOR P/W Tester Display Measurement Item/Range Normal Condition Diagnostic Note Wiper Retracted Position Rear wiper reverse position switch signal / ON or OFF ON: Rear wiper reverse position switch is in ON position OFF: Rear wiper reverse position switch is in OFF position - Wiper Reverse Position Rear wiper reverse position switch signal / ON or OFF ON: Rear wiper in reverse position OFF: Rear wiper in other position - OK On tester screen, each item changes between ON and OFF according to above chart. NG --> See step 11 OK: Go to next step
4. CHECK FOR DTC (B2312) Check if DTC B2312 is output. Refer to DTC CHECK / CLEAR . OK DTC B2312 is not output. NG --> See step 12 OK: Go to next step
5. PERFORM ACTIVE TEST USING TECHSTREAM (BACK DOOR POWER WINDOW) Select the Active Test, use the Techstream to generate a control command, and then check that the door window regulator operates. Refer to DATA LIST / ACTIVE TEST . BACK DOOR P/W Tester Display Test Part Control Range Diagnostic Note Back Door power Window Back door power window OFF/UP/DOWN - OK The power window regulator operates normally. NG --> See step 6 OK --> See step 15
6. INSPECT BACK DOOR POWER WINDOW REGULATOR MOTOR ASSEMBLY Remove the back door power window regulator motor. Refer to REMOVAL . Check that the back door power window regulator motor moves smoothly as follows. NOTE: Do not apply positive (+) battery voltage to any terminal other than terminal 2 (B) to avoid damaging the pulse sensor inside the motor. Reset the door window regulator (initialize the pulse sensor) after installing the door window regulator to the door. Measurement Condition Specified Condition Connect the positive (+) battery terminal to terminal 2 (B), and connect the negative (-) battery terminal to terminal 1 (GND), and keep them connected for 3 seconds or more. With terminals 2 (B) and 1 (GND) connected to the battery, connect the negative (-) battery terminal to terminal 10 (UP). Disconnect and reconnect the negative (-) battery terminal to terminal 10 (UP) within 1 second. Motor gear rotates clockwise (Up) Connect the positive (+) battery terminal to terminal 2 (B), and connect the negative (-) battery terminal to terminal 1 (GND), and keep them connected for 3 seconds or more. With terminals 2 (B) and 1 (GND) connected to the battery, connect the negative (-) battery terminal to terminal 7 (DOWN). Disconnect and reconnect the negative (-) battery terminal to terminal 7 (DOWN) within 1 second. Motor gear rotates counterclockwise (Down) TEXT IN ILLUSTRATION *1 Motor Gear Clockwise Counterclockwise NG --> See step 14 OK: Go to next step
7. CHECK HARNESS AND CONNECTOR (BACK DOOR POWER WINDOW REGULATOR MOTOR ASSEMBLY - MULTIPLEX NETWORK DOOR ECU) Disconnect the W9 back door power window regulator motor connector. Disconnect the W10 multiplex network door ECU connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition W9-10 (UP) - W10-14 (BUP2) Always Below 1 ohms W9-7 (DOWN) - W10-13 (BDN2) Always Below 1 ohms W9-10 (UP) - Body ground Always 10 kohms or higher W9-7 (DOWN) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 15
8. INSPECT BACK DOOR POWER WINDOW REGULATOR SWITCH ASSEMBLY Remove the back door power window regulator switch. Refer to INSPECTION . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Switch Condition Specified Condition 6 (UP) - 1 (E) Manual up operation Below 1 ohms 7 (DOWN) - 1 (E) Manual down operation Below 1 ohms 6 (UP) - 1 (E) Not operated 10 kohms or higher 7 (DOWN) - 1 (E) Not operated 10 kohms or higher NG --> See step 13 OK: Go to next step
9. CHECK HARNESS AND CONNECTOR (BACK DOOR POWER WINDOW REGULATOR SWITCH ASSEMBLY - MULTIPLEX NETWORK DOOR ECU) Disconnect the f1 back door power window regulator switch connector. Disconnect the V2 multiplex network door ECU connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition f1-6 (UP) - V2-22 (BUP) Always Below 1 ohms f1-7 (DOWN) - V2-23 (BDN) Always Below 1 ohms f1-1 (E) - Body ground Always Below 1 ohms f1-6 (UP) - Body ground Always 10 kohms or higher f1-7 (DOWN) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 15
10. GO TO LIGHTING SYSTEM. Refer to Back Door Courtesy Switch Circuit
11. GO TO REAR WIPER SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING
12. GO TO DTC B2312. Refer to DTC B2312: Back Door Power Window Switch ON Stuck
13. REPLACE BACK DOOR POWER WINDOW REGULATOR SWITCH ASSEMBLY. Refer to REMOVAL
14. REPLACE BACK DOOR POWER WINDOW REGULATOR MOTOR ASSEMBLY. Refer to REMOVAL
15. REPLACE MULTIPLEX NETWORK DOOR ECU (BACK DOOR P/W). Refer to REMOVAL
16. GO TO POWER DOOR LOCK CONTROL SYSTEM. Refer to All Doors LOCK/UNLOCK Functions do not Operate Via Master Switch, Driver Side Door Key Cylinder
17. GO TO SMART KEY SYSTEM (for Entry Function). Refer to PROBLEM SYMPTOMS TABLE

1. If the manual up/down function does not operate, there may be a malfunction in the multiplex network master switch, power window regulator motor, harness or connector.

Scheme 129

1. If the manual up/down function does not operate, there may be a malfunction in the power window regulator switch, front power window regulator motor, harness or connector.

Scheme 130

1. If the manual up/down function does not operate, there may be a malfunction in the rear power window regulator switch, rear power window regulator motor, harness or connector.

Scheme 131

1. If the manual up/down function does not operate, there may be a malfunction in the rear power window regulator switch, rear power window regulator motor, harness or connector.

Scheme 132

If the auto up/down function does not operate, the cause may be one or more of the following

1. The ECU in the power window regulator motor determines that the power window regulator motor has not been initialized.
2. The master switch has a malfunction.
3. The Hall IC in the front power window regulator motor has a malfunction.

If the auto up/down function does not operate, the cause may be one or more of the following

1. The ECU in the power window regulator motor determines that the power window regulator motor has not been initialized.
2. The power window regulator switch has a malfunction.
3. The Hall IC in the power window regulator motor has a malfunction.
4. There is an open or short in the wiring between the power window regulator switch and power window regulator motor.

Scheme 133

If the auto up/down function does not operate, the cause may be one or more of the following

1. The ECU in the power window regulator motor determines that the power window regulator motor has not been initialized.
2. The rear power window regulator switch has a malfunction.
3. The Hall IC in the power window regulator motor has a malfunction.
4. There is an open or short in the wiring between the rear power window regulator switch and rear power window regulator motor.

Scheme 134

If the auto up/down function does not operate, the cause may be one or more of the following

1. The ECU in the power window regulator motor determines that the power window regulator motor has not been initialized.
2. The rear power window regulator switch has a malfunction.
3. The Hall IC in the power window regulator motor has a malfunction.
4. There is an open or short in the wiring between the rear power window regulator switch and power window regulator motor.

Scheme 135

1. When a key switch is pushed: 1) the door control receiver receives the key signal; 2) the door control receiver sends a signal to the certification ECU; 3) the main body ECU (multiplex network body ECU) sends the operation permission signal to the power window regulator motors; and 4) the power window regulator motor assemblies are activated.
2. When the driver door key cylinder (key-linked switch) is turned: 1) the door lock motor receives the signal; 2) the main body ECU (multiplex network body ECU) sends the signal to the power window regulator motors; and 3) the power window regulator motor assemblies are activated.

1. When the front doors are closed, each power window regulator motor can control its power window operation for approximately 43 seconds after the ignition switch is turned from ON to off by receiving operation permission signals from the main body ECU (instrument panel junction block). However, when approximately 43 seconds have elapsed, or a front side door is opened within approximately 43 seconds of the ignition switch being turned off, all the power window regulator motors disable manual operation.

1. During the auto function operation, when 43 seconds have elapsed and key-off operation is prohibited, the window operation stops immediately.

If any door glass or a power window regulator motor does not operate smoothly, the jam protection function may be triggered automatically, resulting in the auto up function being unable to fully close the window.

HINT

This symptom may occur for any of the windows.

1. This problem may occur in all door windows. The jam protection function operates within a specified range during the manual up or auto up operation.