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Home >> Lexus >> 2003 >> GS 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 421 (Multiplex Communication System - Diagnostics) >> Circuit Inspection >> DTC B1231 / 31, B1232 / 32, B1234 / 34, B1236 / 36, B1238 / 38: Jam Protection Limit/Pulse Switch Circuit On Driver Door, Jam Protection Pulse Switch Circuit On Passenger/Rear Right/Rear Left Door >> Circuit Description
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Circuit Description

WARNING: This page is about a different car, the 2005 Lexus GS 430 and 2005 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.

These DTCs are output when a malfunction of pulse switch within power window motor is detected.

Fig 1: Jam Protection Circuit Description
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