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Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODES (DTC) LIST

DTC	Description
DTC B1221/21	POWER WINDOW SWITCH CIRCUIT ON DRIVER DOOR
DTC B1231/31, B1232/32	JAM PROTECTION LIMIT/PULSE SWITCH CIRCUIT ON DRIVER DOOR

DIAGNOSTIC TROUBLE CODE

Door ECU (driver side)

DTC B1231/31 And B1232/32 DIAGNOSTIC TROUBLE CODE CHART

DTC Code	Item	Diagnosis
B1231/31	Driver side jam protection limit switch malfunctions	Power window regulator motor assy RH open in limit switch system
B1232/32	Driver side jam protection sensor malfunctions	Power window regulator motor assy RH open or short in pulse sensor system

MONITOR CODE

HINT:

The monitor code shows the switch condition when a DTC is output.
When a monitor code is indicated while the switch is not operated, the switch is detected in being stuck. When a monitor code is not indicted while the switch is operated, it is detected that the switch contact condition is bad.

DTC B1221/21 DIAGNOSTIC TROUBLE CODE CHART

DTC Code	Item	Monitor Item
B1221/21	Driver side switch 1 (operating)	Any switch of the power window regulator master switch is ON