POWER WINDOW SUBSWITCH INSPECTION
1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION.)
2. Remove the power window subswitch. (See POWER WINDOW SUBSWITCH REMOVAL/INSTALLATION.)
3. Connect the power window subswitch connector.
4. Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION.)
5. Verify that the voltages of each of the terminals are as indicated in the terminal voltage table (reference).
If the voltage is not as specified in the terminal voltage table (reference), inspect the parts under Inspection item(s) and related wiring harnesses.
If the system does not work normally even though the inspection items are normal, replace the power window subswitch.
Terminal Voltage Table (Reference)
Power Window Main Switch
| Terminal |
Signal name |
Connected to |
Measurement condition |
Voltage (V) |
Inspection item(s) |
| A |
Serial communication |
Power window main switch |
Terminal used for communication therefore determination based on terminal voltage is not possible. |
||
| B |
— |
— |
— |
— |
— |
| C |
Power supply |
P.WINDOW 30 A fuse |
Under any condition |
B+ |
|
| D |
Hall effect switch No.1 |
Power window motor (passenger’s side) |
Door glass (passenger’s side) is operating |
Wave pattern (See Inspection Using an Oscilloscope (Reference)) |
Power window motor (passenger’s side) |
| E |
Hall effect switch No.2 |
Power window motor (passenger’s side) |
Door glass (passenger’s side) is performing open operation |
Wave pattern (See Inspection Using an Oscilloscope (Reference)) |
Power window motor (passenger’s side) |
| F |
Door switch signal |
Door latch and lock actuator (passenger’s side) |
Door is close |
B+ |
Door latch and lock actuator (passenger’s side) |
| Door is open |
1.0 or less |
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| G |
— |
— |
— |
— |
— |
| H |
Close signal |
Power window motor (passenger’s side) |
Door glass is performing close operation |
B+ |
Power window motor (passenger’s side) |
| Door glass is performing close operation during approx. 40 s after ignition is switched from ON (engine off or on) to off |
B+ |
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| Other |
1.0 or less |
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| I |
Open signal |
Power window motor (passenger’s side) |
Door glass is performing open operation |
B+ |
Power window motor (passenger’s side) |
| Door glass is performing open operation during approx. 40 s after ignition is switched from ON (engine off or on) to off |
B+ |
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| Other |
1.0 or less |
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| J |
Hall effect switch power supply |
Power window motor (passenger’s side) |
Ignition is switched ON (engine off or on) |
B+ |
Power window motor (passenger’s side) |
| Ignition is switched off (LOCK) |
1.0 or less |
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| K |
Ground |
Body ground |
Under any condition |
1.0 or less |
Body ground |
| L |
Hall effect switch ground |
Power window motor (passenger’s side) |
Under any condition |
1.0 or less |
Power window motor (passenger’s side) |
Inspection Using an Oscilloscope (Reference)
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Connection terminal:
D (+) ↔ body ground (-)
E (+) ↔ body ground (-)
Oscilloscope setting: 2 V/DIV (Y), 1 ms/DIV (X), DC range