Circuit Description
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.
These DTC are output when a malfunction of pulse switch within power window motor is detected.
The jam protection limit switch is built in the power window motor.
Pulse switch outputs ON/OFF pulse when the motor rotates.
DTC CONDITION DETECTING CHART
| DTC No. | DTC Detecting Condition | Trouble Area |
|---|---|---|
| B1236 | No change in pulse switch more than 2.0 seconds even if opening glass down when limit switch is OFF (window glass is fully closed). |
|
HINT:
When the power window is operated UP or DOWN to detect the 30 cycle or more of the ON-OFF pulse, this DTC is cleared.