Section 671 (Wiper System & Washer System): Inspection

WARNING: This page is about a different car, the 2004 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.

WINDSHIELD WIPER SWITCH ASSY

Continuity Check

Check the continuity of each terminal of the connector.

Fig 1: Checking Continuity Terminal Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard:

Front Wiper Switch

SPECIFICATION TESTER CONNECTION

Switch position	Tester connection	Specified condition
MIST	7(+1)-17(+B)	Continuity
OFF	16(+S)-7(+1)	Continuity
INT	16 (+S) -7(+1)	Continuity
LO	7(+1)-17(+B)	Continuity
HI	17(+B) -8(+2)	Continuity

Front Washer Switch

SPECIFICATION TESTER CONNECTION

Switch position	Tester connection	Specified condition
OFF	-	No continuity
ON	11 (WF) -2(EW)	Continuity

Intermittent Operation Check
1. Connect the voltmeter (+) terminal to terminal 7 (+1) of the connector, the voltmeter (-) terminal to terminal 2 (EW) of the connector.
2. Connect the battery (+) to terminal 17 (+B) of the connector, the battery (-) to terminal 2 (EW) and 16 (+S) of the connector.
3. Turn the wiper switch to INT.
4. Connect the battery (+) to terminal 16 (+S) of the connector for 5 seconds.
5. Connect the battery (-) to terminal 16 (+S) of the connector. Operate the intermittent wiper relay and check voltage between terminal 7 (+1) and terminal 2 (EW).
  
  Fig 2: Identifying Front Wiper Switch
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Operation Check (Front Wiper)
1. Turn the wiper switch to OFF.
2. Connect the battery (+) to terminal 17 (+B) of the connector, the battery (-) to terminal 16 (+S) and 2 (EW) of the connector.
3. Connect the voltmeter (+) terminal to terminal 7 (+1) of the connector, and the voltmeter (-) terminal to terminal 2 (EW) of the connector. Turn the washer switch to ON and OFF, and check voltage between terminal 7 (+1) and terminal 2 (EW).
  
  Fig 3: Connecting Voltmeter Terminal Of Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

WINDSHIELD WIPER MOTOR ASSY

Fig 4: Windshield Wiper Motor Assembly Terminal Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. LO Operation Check
  1. Connect the battery (+) to terminal 1 (+1) of the connector, the battery (-) to terminal 5 (E) of the connector, and check that the motor operates at low speed (LO).
2. HI Operation Check
  1. Connect the battery (+) to terminal 4 (+2) of the connector, the battery (-) to terminal 5 (E) of the connector, and check that the motor operates at high speed (HI).
3. Automatic Stop Operation Check
  1. Connect the battery (+) to terminal 1 (+1) of the connector, the battery (-) to terminal 5 (E) of the connector. With the motor being rotated at low speed (LO), disconnect terminal 1 (+1) to stop the wiper motor operation at any position except the automatic stop position.
  2. Connect terminals 1 (+1) and 3 (S), and the battery (+) to terminal 2 (B) to restart the motor operation at low speed.
    SST 09843-18040
  3. Check the automatic stop position.
    
    Fig 5: Checking Automatic Stop Position
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002