WIPER SWITCH - INSPECTION

Measure the resistance according to the value(s) in the table below.

• Standard Resistance:

• Front Wiper Switch (w/o Rain Sensor)

  Tester Connection	Switch Condition	Specified Condition
  E16-1 (+S) - E16-3 (+1)	INT	Below 1 Ω
  	OFF
  E16-2 (+B) - E16-3 (+1)	MIST
  	LO
  E16-2 (+B) - E16-4 (+2)	HI

If the result is not as specified, replace the windshield wiper switch assembly.

• Standard Resistance:

• Front Wiper Switch (w/ Rain Sensor)

  Tester Connection	Switch Condition	Specified Condition
  E16-1 (+S) - E16-3 (+1)	AUTO	Below 1 Ω
  	OFF
  E16-2 (+B) - E16-3 (+1)	MIST
  	LO
  E16-2 (+B) - E16-4 (+2)	HI

If the result is not as specified, replace the windshield wiper switch assembly.

Measure the resistance according to the value(s) in the table below.

• Standard Resistance:

• Tester Connection	Switch Condition	Specified Condition
  E15-2 (EW) - E15-3 (WF)	On	Below 1 Ω
  	Off	10 kΩ or higher

If the result is not as specified, replace the windshield wiper switch assembly.

Connect the voltmeter positive (+) lead to terminal E16-3 (+1) and the negative (-) lead to terminal E15-2 (EW).

Connect the battery positive (+) lead to terminal E16-2 (+B) and the negative (-) lead to terminal E15-2 (EW) and E16-1 (+S).

Turn the wiper switch to the INT position.

Connect the battery positive (+) lead to terminal E16-1 (+S) for 5 seconds.

Connect the battery negative (-) lead to terminal E16-1 (+S). Operate the intermittent wiper relay and check the voltage between terminals E16-3 (+1) and E15-2 (EW).

• Standard Voltage:
• Refer to the illustration below.

If the result is not as specified, replace the switch assembly.

Turn the wiper switch OFF.

Connect the battery positive (+) lead to terminal E16-2 (+B) and the negative (-) lead to terminals E16-1 (+S) and E15-2 (EW).

Connect the voltmeter positive (+) lead to E16-3 (+1) and the negative (-) lead to terminal E15-2 (EW).

Turn the washer switch ON and OFF, and check the voltage between terminals E16-3 (+1) and E15-2 (EW).

• OK:
• Refer to the illustration below.

If the result is not as specified, replace the switch assembly.

Measure the resistance according to the value(s) in the table below.

• Standard Resistance:

• Rear Wiper Switch (w/ Rear Wiper Intermittent Function)

  Tester Connection	Switch Condition	Specified Condition
  E15-2 (EW) - E15-6 (C1R)	LO	Below 1 Ω
  E15-2 (EW) - E15-7 (+1R)	HI
  E15-2 (EW) - E15-6 (C1R)	OFF	10 kΩ or higher
  E15-2 (EW) - E15-7 (+1R)

If the result is not as specified, replace the windshield wiper switch assembly.

• Standard Resistance:

• Rear Wiper Switch (w/o Rear Wiper Intermittent Function)

  Tester Connection	Switch Condition	Specified Condition
  E15-2 (EW) - E15-7 (+1R)	ON	Below 1 Ω
  E15-2 (EW) - E15-7 (+1R)	OFF	10 kΩ or higher

If the result is not as specified, replace the windshield wiper switch assembly.

Measure the resistance of the switch.

• Standard Resistance:

• Tester Connection	Switch Condition	Specified Condition
  E15-2 (EW) - E16-5 (WR)	On	Below 1 Ω
  	Off	10 kΩ or higher

If the result is not as specified, replace the windshield wiper switch assembly.

Measure the resistance according to the value(s) in the table below.

• Standard Resistance:

• Front Wiper Switch (w/o Rain Sensor)

  Tester Connection	Switch Condition	Specified Condition
  E16-4 (+S) - E16-2 (+1)	INT	Below 1 Ω
  	OFF
  E16-3 (+B) - E16-2 (+1)	MIST
  	LO
  E16-3 (+B) - E16-1 (+2)	HI

If the result is not as specified, replace the windshield wiper switch assembly.

• Standard Resistance:

• Front Wiper Switch (w/ Rain Sensor)

  Tester Connection	Switch Condition	Specified Condition
  E16-4 (+S) - E16-2 (+1)	AUTO	Below 1 Ω
  	OFF
  E16-3 (+B) - E16-2 (+1)	MIST
  	LO
  E16-3 (+B) - E16-1 (+2)	HI

If the result is not as specified, replace the windshield wiper switch assembly.

Measure the resistance according to the value(s) in the table below.

• Standard Resistance:

• Tester Connection	Switch Condition	Specified Condition
  E15-2 (EW) - E15-1 (WF)	On	Below 1 Ω
  	Off	10 kΩ or higher

If the result is not as specified, replace the windshield wiper switch assembly.

Connect the voltmeter positive (+) lead to terminal E16-2 (+1) and the negative (-) lead to terminal E15-2 (EW).

Connect the battery positive (+) lead to terminal E16-3 (+B) and the negative (-) lead to terminal E15-2 (EW) and E16-4 (+S).

Turn the wiper switch to the INT position.

Connect the battery positive (+) lead to terminal E16-4 (+S) for 5 seconds.

Connect the battery negative (-) lead to terminal E16-4 (+S). Operate the intermittent wiper relay and check the voltage between terminals E16-2 (+1) and E15-2 (EW).

• Standard Voltage:
• Refer to the illustration below.

If the result is not as specified, replace the switch assembly.

Turn the wiper switch OFF.

Connect the battery positive (+) lead to terminal E16-3 (+B) and the negative (-) lead to terminals E16-4 (+S) and E15-2 (EW).

Connect the voltmeter positive (+) lead to E16-2 (+1) and the negative (-) lead to terminal E15-2 (EW).

Turn the washer switch ON and OFF, and check the voltage between terminals E16-2 (+1) and E15-2 (EW).

• OK:
• Refer to the illustration below.

If the result is not as specified, replace the windshield wiper switch assembly.

Measure the resistance according to the value(s) in the table below.

• Standard Resistance:

• Rear Wiper Switch (w/ Rear Wiper Intermittent Function)

  Tester Connection	Switch Condition	Specified Condition
  E15-2 (EW) - E15-5 (C1R)	LO	Below 1 Ω
  E15-2 (EW) - E15-4 (+1R)	HI
  E15-2 (EW) - E15-5 (C1R)	OFF	10 kΩ or higher
  E15-2 (EW) - E15-4 (+1R)

If the result is not as specified, replace the windshield wiper switch assembly.

• Standard Resistance:

• Rear Wiper Switch (w/o Rear Wiper Intermittent Function)

  Tester Connection	Switch Condition	Specified Condition
  E15-2 (EW) - E15-4 (+1R)	ON	Below 1 Ω
  E15-2 (EW) - E15-4 (+1R)	OFF	10 kΩ or higher

If the result is not as specified, replace the windshield wiper switch assembly.

Measure the resistance of the switch.

• Standard Resistance:

• Tester Connection	Switch Condition	Specified Condition
  E15-2 (EW) - E16-10 (WR)	On	Below 1 Ω
  	Off	10 kΩ or higher

If the result is not as specified, replace the windshield wiper switch assembly.