Circuit Description: Notes
WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
Each terminal sends the following information to the Driver Door ECU.
CIRCUIT TERMINALS DESCRIPTION
| Terminal name | Switch name |
| ML, MUL | Door lock manual switch |
| AUTO, MUP, MDN | Driver door power window switch |
| WLSW | Window lock switch |
| DT1.DT2, DT3, SC1.SC2, SC3 | Passenger, rear LH and RH door power window switch |
WLSW:
Pressing the window lock switch of the master switch sends a signal to the ECU. This cuts the electricity to switches of the passenger, rear LH and RH door power windows, which forbids the power window control system operation with these switches.
DT1, DT2, DT3, SC1, SC2, SC3:
The Driver Door ECU distinguishes UP, DOWN and AUTO positions of the power window in the passenger and rear LH and RH door according to the combination matrix of terminals.