The Off-Delay Function For The Rear Left Power Window Does Not Work, Or It Works Continuously

Trouble causes: 

• Rear regulator and motor assembly LH malfunction
• Power window main switch failure
• Rear power window sub-switch LH malfunction
• LIN communication error
• Body integrated unit malfunction
• Harness malfunction
• Poor contact of connector
• Power supply circuit malfunction
• Door switch circuit malfunction

1. CHECK MALFUNCTIONS  .
   1. Turn the ignition switch to ON.
   2. Operate the power window main switch and check that the power window (rear seat LH) works in remote operation.

   Does the power window operate remotely according to switch operation?

   Yes  : Go to  2.

   No  : Perform the diagnosis for "When the driver's switch is operated, the rear left power window does not work in remote operation". Ref. to POWER WINDOW (DIAGNOSTICS) >DIAGNOSTICS WITH PHENOMENON>INSPECTION>WHEN THE DRIVER'S SWITCH IS OPERATED, THE REAR LEFT POWER WINDOW DOES NOT WORK IN REMOTE OPERATION. (WITH OFF-DELAY FUNCTION FOR ALL SEATS) 

2. CHECK DTC  .

   Using the Subaru Select Monitor, read the DTCs of [Power Window (Switch)] and [Power Window (Rear Left)]. Ref. to POWER WINDOW (DIAGNOSTICS) >DIAGNOSTIC TROUBLE CODE (DTC) 

   • Power Window (Switch)
   • Power Window (Rear Left)

   Are any DTCs displayed?

   Yes  : Perform the diagnosis for the displayed DTCs. Ref. to POWER WINDOW (DIAGNOSTICS) >DIAGNOSTIC TROUBLE CODE (DTC)>LIST 

   No  : Go to  3.

3. CHECK [Driver's door SW input] AND [P-door SW input] (DATA MONITOR)  .

   Using the Subaru Select Monitor, check the following items in the [Data Monitor] of [Body Control]. Ref. to BODY CONTROL (DIAGNOSTICS)>DATA MONITOR

   • Driver's door SW input
   • P-door SW input

   Does the display change according to the door open/close?

   Yes  : Go to  4.

   No  : Inspect door switch circuit. Ref. to SECURITY AND LOCKS>DOOR LOCK CONTROL SYSTEM>INSPECTION

4. CHECK [Operation Enable Signal] (DATA MONITOR)  .

   Using the Subaru Select Monitor, check the following items in the [Data Monitor] of [Power Window (Rear Left)]. Ref. to POWER WINDOW (DIAGNOSTICS) >DATA MONITOR 

   • Operation Enable Signal

   Is the display as follows?

   • With the front door closed, does the display indicate [Permit] for approximately 40 seconds after IGN ON → OFF?

     Also, does the display indicate [Not Permit] after 40 seconds passed?

   • With the front door closed, does the display indicate [Not Permit] when the driver's door or the passenger's door is opened during approximately 40 seconds after IGN ON → OFF?

   Yes  : Replace the rear regulator and motor assembly LH. Ref. to GLASS/WINDOWS/MIRRORS>REAR REGULATOR AND MOTOR ASSEMBLY

   No  : Inspect the body integrated unit. Ref. to BODY CONTROL (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE

   If no fault is found in the body integrated unit, replace the rear regulator and motor assembly LH. Ref. to GLASS/WINDOWS/MIRRORS>REAR REGULATOR AND MOTOR ASSEMBLY