DTC B2B10: Passenger's Door Power Window Driver's Door Auto Switch Stuck

DTC detecting condition:

When AUTO SW signal ON is received for 20±1 seconds or longer.

Trouble symptom:

When the power window main switch is operated, passenger's side window does not work.

CAUTION: Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to POWER WINDOW (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION .

CHECK MALFUNCTIONS .
1. Turn the ignition switch to ON.
2. Operate the power window main switch and check that the power window (passenger's side) operates.
  Does the power window operate normally according to switch operation?
  
  Yes: Even if DTC is displayed, the circuit has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis again.
  
  NOTE: In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.
  
  No: Go to 2.
CHECK DTC .
Read the DTC of [Power Window (Switch)] using the Subaru Select Monitor. Ref. to POWER WINDOW (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

Is DTC B2B50 displayed?

Yes: Perform the diagnosis of DTC B2B50. Ref. to POWER WINDOW (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B2B50: POWER WINDOW MAIN SWITCH FAILURE .

No: Replace the front regulator and motor assembly (passenger's side). Ref. to GLASS/WINDOW/MIRRORS>FRONT REGULATOR AND MOTOR ASSEMBLY .