DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK LIN COMMUNICATION SYSTEM
CHECK FOR DTC (B2312)
READ VALUE USING INTELLIGENT TESTER (POWER WINDOW REGULATOR MOTOR)
CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK MASTER SWITCH - BATTERY AND BODY GROUND)
CHECK HARNESS AND CONNECTOR (FRONT POWER WINDOW REGULATOR MOTOR - BATTERY AND BODY GROUND)
CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK MASTER SWITCH - FRONT POWER WINDOW REGULATOR MOTOR)
INSPECT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH
INSPECT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH
POWER WINDOW CONTROL SYSTEM (for Models with Jam Protection Function on Driver Door Window Only) - Driver Side Power Window does not Operate with Power Window Master Switch
DESCRIPTION
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.
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.CHECK LIN COMMUNICATION SYSTEM |
Check for LIN communication system DTCs related to the power window control system ().
- OK:
- LIN communication system DTCs are not output.
| | GO TO LIN COMMUNICATION SYSTEM ()
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Check if DTC B2312 is output ().
- OK:
- DTC B2312 is not output.
| 3.READ VALUE USING INTELLIGENT TESTER (POWER WINDOW REGULATOR MOTOR) |
Use the Data List to check if the power window regulator motor is functioning properly ().
D-Door Motor| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
| 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 | - |
- OK:
- The display changes according to operation of the multiplex network master switch.
Result| Result | Proceed to |
| OK (for LHD) | A |
| OK (for RHD) | B |
| NG | C |
| | REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH ()
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| A | |
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| REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH ()
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| 4.CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK MASTER SWITCH - BATTERY AND BODY GROUND) |
Disconnect the I31*1 or I26*2 multiplex network master switch assembly connector.
Measure the voltage and resistance according to the value(s) in the table below.
- Standard Voltage:
for LHD| Tester Connection | Condition | Specified Condition |
| I31-6 (B) - Body ground | Always | 11 to 14 V |
for RHD| Tester Connection | Condition | Specified Condition |
| I26-6 (B) - Body ground | Always | 11 to 14 V |
- Standard Resistance:
for LHD| Tester Connection | Condition | Specified Condition |
| I31-1 (E) - Body ground | Always | Below 1 Ω |
for RHD| Tester Connection | Condition | Specified Condition |
| I26-9 (E) - Body ground | Always | Below 1 Ω |
Text in Illustration| *A | for LHD |
| *B | for RHD |
| *a | Front view of wire harness connector
(to Multiplex Network Master Switch Assembly) |
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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| 5.CHECK HARNESS AND CONNECTOR (FRONT POWER WINDOW REGULATOR MOTOR - BATTERY AND BODY GROUND) |
Disconnect the I12*1 or I4*2 front power window regulator motor assembly connector.
Measure the voltage and resistance according to the value(s) in the table below.
- Standard Voltage:
for LHD| Tester Connection | Condition | Specified Condition |
| I12-2 (B) - Body ground | Always | 11 to 14 V |
for RHD| Tester Connection | Condition | Specified Condition |
| I4-2 (B) - Body ground | Always | 11 to 14 V |
- Standard Resistance:
for LHD| Tester Connection | Condition | Specified Condition |
| I12-1 (GND) - Body ground | Always | Below 1 Ω |
for RHD| Tester Connection | Condition | Specified Condition |
| I4-1 (GND) - Body ground | Always | Below 1 Ω |
Text in Illustration| *A | for LHD |
| *B | for RHD |
| *a | Front view of wire harness connector
(to Front Power Window Regulator Motor Assembly) |
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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| 6.CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK MASTER SWITCH - FRONT POWER WINDOW REGULATOR MOTOR) |
Disconnect the I31*1 or I26*2 multiplex network master switch assembly connector.
Disconnect the I12*1 or I4*2 front power window regulator motor assembly connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
for LHD| Tester Connection | Condition | Specified Condition |
| I31-8 (U) - I12-10 (UP) | Always | Below 1 Ω |
| I31-5 (D) - I12-7 (DOWN) | Always | Below 1 Ω |
| I31-4 (AUTO) - I12-4 (AUTO) | Always | Below 1 Ω |
| I31-3 (LED+) - I12-5 (LED) | Always | Below 1 Ω |
| I31-1 (E) - I12-1 (GND) | Always | Below 1 Ω |
| I31-8 (U) or I12-10 (UP) - Body ground | Always | 10 kΩ or higher |
| I31-5 (D) or I12-7 (DOWN) - Body ground | Always | 10 kΩ or higher |
| I31-4 (AUTO) or I12-4 (AUTO) - Body ground | Always | 10 kΩ or higher |
| I31-3 (LED+) or I12-5 (LED) - Body ground | Always | 10 kΩ or higher |
| I31-1 (E) or I12-1 (GND) - Body ground | Always | 10 kΩ or higher |
for RHD| Tester Connection | Condition | Specified Condition |
| I26-1 (U) - I4-10 (UP) | Always | Below 1 Ω |
| I26-5 (D) - I4-7 (DOWN) | Always | Below 1 Ω |
| I26-4 (AUTO) - I4-4 (AUTO) | Always | Below 1 Ω |
| I26-3 (LED+) - I4-5 (LED) | Always | Below 1 Ω |
| I26-9 (E) - I4-1 (GND) | Always | Below 1 Ω |
| I26-1 (U) or I4-10 (UP) - Body ground | Always | 10 kΩ or higher |
| I26-5 (D) or I4-7 (DOWN) - Body ground | Always | 10 kΩ or higher |
| I26-4 (AUTO) or I4-4 (AUTO) - Body ground | Always | 10 kΩ or higher |
| I26-3 (LED+) or I4-5 (LED) - Body ground | Always | 10 kΩ or higher |
| I26-9 (E) or I4-1 (GND) - Body ground | Always | 10 kΩ or higher |
Result| Result | Proceed to |
| OK (for LHD) | A |
| OK (for RHD) | B |
| NG | C |
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| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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| 7.INSPECT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH |
Remove the front power window regulator motor assembly LH ().
Text in Illustration| *1 | Motor Gear |
| *a | Clockwise |
| *b | Counter clockwise |
Apply positive (+) battery voltage to connector terminal 2 (B).
Do not apply positive (+) battery voltage to any terminals, except terminal 2 (B), to avoid damaging the pulse sensor inside the motor.
Reset the power window regulator motor (initialize the pulse sensor) after installing the power window regulator motor and regulator assembly onto the door.
Apply negative (-) battery voltage to connector terminals 1 (GND), and 7 (DOWN) or 10 (UP).
Check that the motor gear rotates smoothly as follows.
- OK:
| Measurement Condition | Specified Condition |
Connect the positive (+) battery cable to terminal 2 (B), and connect the negative (-) battery cable to terminal 1 (GND), and keep them connected for 3 seconds or more.
With terminals 2 (B) and 1 (GND) connected, connect the negative (-) battery cable to terminal 10 (UP).
Disconnect and reconnect the negative (-) battery cable to terminal 10 (UP) within 1 second.
| Motor gear rotates clockwise (Up) |
Connect the positive (+) battery cable to terminal 2 (B), and connect the negative (-) battery cable to terminal 1 (GND), and keep them connected for 3 seconds or more.
With terminals 2 (B) and 1 (GND) connected, connect the negative (-) battery cable to terminal 7 (DOWN).
Disconnect and reconnect the negative (-) battery cable to terminal 7 (DOWN) within 1 second.
| Motor gear rotates counterclockwise (Down) |
| | REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH ()
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| OK | |
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| REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY ()
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| 8.INSPECT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH |
Remove the front power window regulator motor assembly RH ().
Text in Illustration| *1 | Motor Gear |
| *a | Clockwise |
| *b | Counter clockwise |
Apply positive (+) battery voltage to connector terminal 2 (B).
Do not apply positive (+) battery voltage to any terminals, except terminal 2 (B), to avoid damaging the pulse sensor inside the motor.
Reset the power window regulator motor (initialize the pulse sensor) after installing the power window regulator motor and regulator assembly onto the door.
Apply negative (-) battery voltage to the connector terminals 1 (GND), and 7 (DOWN) or 10 (UP).
Check that the motor gear rotates smoothly as follows.
- OK:
| Measurement Condition | Specified Condition |
Connect the positive (+) battery cable to terminal 2 (B), and connect the negative (-) battery cable to terminal 1 (GND), and keep them connected for 3 seconds or more.
With terminals 2 (B) and 1 (GND) connected, connect the negative (-) battery cable to terminal 10 (UP).
Disconnect and reconnect the negative (-) battery cable to terminal 10 (UP) within 1 second.
| Motor gear rotates counterclockwise (Up) |
Connect the positive (+) battery cable to terminal 2 (B), and connect the negative (-) battery cable to terminal 1 (GND), and keep them connected for 3 seconds or more.
With terminals 2 (B) and 1 (GND) connected, connect the negative (-) battery cable to terminal 7 (DOWN).
Disconnect and reconnect the negative (-) battery cable to terminal 7 (DOWN) within 1 second.
| Motor gear rotates clockwise (Down) |
| | REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH ()
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| OK | |
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| REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY ()
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