B1223

WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: B1223: Power Window Switch Circuit on Passenger Door

DTC B1223 - Power Window Switch Circuit on Passenger Door

DESCRIPTION

This DTC is output when the passenger door power window regulator switch or door control switch is operated.
HINT:
- If this DTC is output when a switch is not operated, one of the switches may be stuck.
- If this DTC is not output when a switch is operated, the switch's contact is defective.





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY




(a) Remove the switch.
(b) Measure the resistance of the switch when the switch is operated.
Standard resistance:






NG -- REPLACE POWER WINDOW REGULATOR SWITCH ASSEMBLY
OK -- Continue to next step.
2. CHECK WIRE HARNESS (POWER WINDOW SWITCH - DOOR ECU FRONT RH)




(a) Disconnect the P13 switch connector.
(b) Disconnect the P9 ECU connector.
(c) Measure the resistance of the wire harness side connectors.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- Continue to next step.
3. INSPECT DOOR CONTROL SWITCH ASSEMBLY




(a) Remove the switch.
(b) Measure the resistance of the switch when the switch is operated.
Standard resistance:






NG -- REPLACE DOOR CONTROL SWITCH ASSEMBLY
OK -- Continue to next step.
4. CHECK WIRE HARNESS (DOOR CONTROL SWITCH - DOOR ECU FRONT RH)




(a) Disconnect the D10 switch connector.
(b) Disconnect the P9 ECU connector.
(c) Measure the resistance of the wire harness side connectors.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- REPLACE MULTIPLEX NETWORK DOOR ECU FRONT RH