Power Windows

DIAGNOSTIC TROUBLE CODE CHART

1. DOOR ECU

B1231 - B1232:

Standard [Power window regulator master switch (driver's door ECU)]

B1233 - B1234:

Standard [Power window regulator switch (passenger's door ECU)]

2. Driver side J/B (body ECU) (Data list of switch signal by DTC check)




Standard [Driver side J/B (body ECU)]

HINT: DTC No. B1221 and B1223 are the codes to inform of each switch condition and will be output when the switch is ON. In that these codes are displayed operating the switch or the switch or the codes are not displayed even with operating the switch, there may be trouble in the switch circuit.