Diagnostic Trouble Code Chart

If a trouble code is indicated during the DTC check, check the components listed for that code in the table below (proceed to the article given for that code).

DTC TROUBLE DETECTION REFERENCE

DTC No.	Detection Item	Trouble Area
B1221	Power Window Switch Circuit on Driver Door	Power window master switch (Built in driver door ECU) Wire harness Main Body ECU
B1223	Power Window Switch Circuit on Passenger Door	Power window switch (Built in passenger door ECU) Wire harness Main Body ECU
B1231	Jam Protection Limit Switch Circuit on Driver Door	Limit switch (Built in power window motor) Driver door ECU Wire harness Main Body ECU
B1232	Jam Protection Pulse Switch Circuit on Driver Door	Pulse switch (Built in power window motor) Driver door ECU Wire harness Main Body ECU
B1233	Jam Protection Limit Switch Circuit on Passenger Door	Limit switch (Built in power window motor) Passenger door ECU Wire harness Main Body ECU
B1234	Jam Protection Pulse Switch Circuit on Passenger Door	Pulse switch (Built in power window motor) Passenger door ECU Wire harness Main Body ECU
B1241	Body ECU Switch Circuit Diagnosis	Back door power window switch Rear wiper and washer switch Wire harness Main Body ECU