Inspection Of Switch Unit

MANUAL WIPER. 

1. Operate the switches to check the continuity between terminals.

   Preparation tool: 

   Circuit tester

   Courtesy of SUBARU OF AMERICA, INC.

   • Front

   Switch position	Terminal No.	Standard
   OFF	B3 - B1	Less than 1 Ω
   	B2 - B1	1 MΩ or more
   MIST	B2 - B3	Less than 1 Ω
   INT	B3 - B1	Less than 1 Ω
   LO	B2 - B3	Less than 1 Ω
   HI	B2 - B4	Less than 1 Ω
   Washer ON	A3 - A2	Less than 1 Ω

   • Rear

   Switch position	Terminal No.	Standard
   Washer ON (wiper interlock operation)	A7 - A2 B5 - A2	Less than 1 Ω
   OFF	A7 - A2 A6 - A2 B5 - A2	1 MΩ or more
   LO	A6 - A2	Less than 1 Ω
   HI	A7 - A2	Less than 1 Ω
   Washer ON	B5 - A2	Less than 1 Ω

2. Replace the switch if the inspection result is not within the standard value.
3. Install the switch assembly combination wiper select. Ref. to WIPER AND WASHER SYSTEMS>COMBINATION SWITCH (WIPER)>INSTALLATION .

AUTO WIPER. 

1. Operate the switches to check the continuity between terminals.

   Preparation tool: 

   Circuit tester

2. Replace the switch if the inspection result is not within the standard value.
3. Install the switch assembly combination wiper select. Ref. to WIPER AND WASHER SYSTEMS>COMBINATION SWITCH (WIPER)>INSTALLATION .

Courtesy of SUBARU OF AMERICA, INC.

• Front

  Switch position	Terminal No.	Standard
  OFF	B3 - B1	Less than 1 Ω
  	B2 - B1	1 MΩ or more
  MIST	B2 - B3	Less than 1 Ω
  AUTO	B3 - B1 B9 - B10	Less than 1 Ω
  LO	B2 - B3	Less than 1 Ω
  HI	B2 - B4	Less than 1 Ω
  Washer ON	A3 - A2	Less than 1 Ω

• Rear

  Switch position	Terminal No.	Standard
  Washer ON (wiper interlock operation)	A7 - A2 B5 - A2	Less than 1 Ω
  OFF	A7 - A2 A6 - A2 B5 - A2	1 MΩ or more
  LO	A6 - A2	Less than 1 Ω
  HI	A7 - A2	Less than 1 Ω
  Washer ON	B5 - A2	Less than 1 Ω

• Rain sensitivity adjustment volume

  Terminal No.	Switch position	Standard
  B8 - B7	(a)	Less than 1 Ω
  	(b)	Approx. 2 kΩ
  	(c)	Approx. 4 kΩ
  	(d)	Approx. 6 kΩ