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Home >> Lexus >> 2003 >> RX 300 AWD >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Multiplex Communication System >> Diagnostic Tests >> DTC B1231/31: Jam Protection Limit Switch Circuit (Driver), DTC B1233/33: Jam Protection Limit Switch Circuit (Passenger), DTC B1235/35: Jam Protection Limit Switch Circuit (Rear Right) & DTC 1237/37: Jam Protection Limit Switch Circuit (Rear Left)

DTC B1231/31: Jam Protection Limit Switch Circuit (Driver), DTC B1233/33: Jam Protection Limit Switch Circuit (Passenger), DTC B1235/35: Jam Protection Limit Switch Circuit (Rear Right) & DTC 1237/37: Jam Protection Limit Switch Circuit (Rear Left)

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

Detecting Condition -  No change in the limit switch for more than 2.0 seconds even if operating the glass down when the limit switch is OFF (window glass is fully closed).

Trouble Area

For switch inspection, see POWER WINDOWS article under WINDOWS in ACCESSORIES & EQUIPMENT.

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