Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Remote Up/Down Function Does Not Operate: Procedure
- CHECK POWER WINDOW MASTER SWITCH
- Turn the window lock switch OFF and operate the switches on the master switch. Check that the remote UP/DOWN function operates normally.
OK
Remote UP/DOWN function operates normally.
NG → See step 2
OK → END
- Turn the window lock switch OFF and operate the switches on the master switch. Check that the remote UP/DOWN function operates normally.
- CHECK MANUAL UP/DOWN FUNCTION
- Check that the passenger door power window and rear door power window manual UP/DOWN function operates normally.
OK
Manual UP/DOWN function operates normally.
NG → See step 3
OK → See step 7
- Check that the passenger door power window and rear door power window manual UP/DOWN function operates normally.
- CHECK HARNESS AND CONNECTOR (POWER WINDOW MASTER SWITCH - BATTERY)
- Disconnect the power window master switch connector.
- Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Switch Condition Specified Condition I3-6 (B) - Body ground Ignition switch ON 11 to 14 V
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to next step
- INSPECT POWER WINDOW MASTER SWITCH
- Measure the resistance according to the value(s) in the table below.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard Resistance
Tester Connection Switch Condition Specified Condition 6 (B) - 16 (U)
15 (D) - 1 (E)UP (Front passenger side) Below 1 Ω 6 (B) - 15 (D)
16 (U) - 1 (E)DOWN (Front passenger side) Below 1 Ω 6 (B) - 12 (U)
13 (D) - 1 (E)UP (Rear LH) Below 1 Ω 6 (B) - 13 (D)
12 (U) - 1 (E)DOWN (Rear LH) Below 1 Ω 6 (B) - 10 (U)
18 (D) - 1 (E)UP (Rear RH) Below 1 Ω 6 (B) - 18 (D)
10 (U) - 1 (E)DOWN (Rear RH) Below 1 Ω
NG → See step 7
OK: Go to next step
- Measure the resistance according to the value(s) in the table below.
- CHECK HARNESS AND CONNECTOR (MASTER SWITCH - FRONT PASSENGER, REAR LH/RH SWITCH)
- Front passenger side:
- Disconnect the power window switch (passenger side) connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition I3-16 (U) - H3-5 (SU) Always Below 1 Ω I3-15 (D) - H3-2 (SD) Always Below 1 Ω I3-16 (U) - Body ground Always 10 kΩ or higher I3-15 (D) - Body ground Always 10 kΩ or higher
- Rear LH side:
- Disconnect the power window switch (rear LH side) connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition I3-12 (U) - K1-5 (SU) Always Below 1 Ω I3-13 (D) - K1-2 (SD) Always Below 1 Ω I3-12 (U) - Body ground Always 10 kΩ or higher I3-13 (D) - Body ground Always 10 kΩ or higher
- Rear RH side:
- Disconnect the power window switch (rear RH side) connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition I3-10 (U) - J1-5 (SU) Always Below 1 Ω I3-18 (D) - J1-2 (SD) Always Below 1 Ω I3-10 (U) - Body ground Always 10 kΩ or higher I3M1-18 (D) - Body ground Always 10 kΩ or higher
Result
Result Proceed to NG A OK (Front passenger side) B OK (Rear LH side) C OK (Rear RH side) D
D → See step 9
C → See step 8
B → See step 6
A → REPAIR OR REPLACE HARNESS OR CONNECTOR
- Front passenger side:
- REPLACE POWER WINDOW SWITCH (FRONT PASSENGER SIDE). Refer to REMOVAL
- REPLACE POWER WINDOW MASTER SWITCH. Refer to REMOVAL
- REPLACE POWER WINDOW SWITCH (REAR LH SIDE). Refer to REMOVAL
- REPLACE POWER WINDOW SWITCH (REAR RH SIDE). Refer to REMOVAL
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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