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DTC B1232 Jam Protection Pulse Switch Circuit on Driver Door: Description

This DTC is output when failure of the jam protection pulse switch circuit is detected. The jam protection pulse switch is built into the power window regulator motor assembly. This switch is OFF when the window stays between the fully closed position and 4 mm (0.16 in) below the full closed position and the power window regulator master switch reads this signal.

DTC DETECTION CONDITION

DTC No. DTC Detection Condition Trouble Area
B1232 No change in pulse switch for more than 2.0 seconds even if operating glass down when pulse switch is OFF (window glass is fully closed)
  • Front power window regulator motor assembly LH (jam protection pulse switch)
  • Power window regulator master switch assembly
  • Wire harness