Front Sub Switch

CAUTION: Since the switch - power window main is controlled by CPU, do not check continuity for switch alone with the circuit tester. Performing continuity check with circuit tester can damage the switch - power window main circuit.

Check output from the switch - power window sub to the passenger's side motor using the oscilloscope function in the Subaru Select Monitor.

Remove the switch - power window sub.
Connect the battery and the Subaru Select Monitor to the switch - power window sub terminal.
CAUTION: Never mix up the terminals when connecting the harness connector of the switch - power window sub and the battery. If the connection is wrong, the switch - power window sub may be damaged.

NOTE: For detailed procedures, refer to "Subaru Select Monitor Operation Manual".

Courtesy of SUBARU OF AMERICA, INC.

Operate the switch - power window sub and check the output.

NOTE: Since output time during window UP operation is extremely short, it cannot be checked without using a measuring instrument such as oscilloscope. Output is constantly produced while the switch is operated for window DOWN operation.

Inspection conditions	Output time	Standard
AUTO UP	Approx. 130 ms	Battery voltage
UP	Approx. 130 ms	Battery voltage
OFF	-	0 V
DOWN	During switch operation	Battery voltage
AUTO DOWN	Approx. 300 ms	Battery voltage

If the inspection result is not within the standard, replace the switch - power window sub.