Wiper Switch On-Vehicle Inspection

Vehicle Exterior. Land Cruiser. Urj200, 202 Grj200 Vdj200

Wiper Washer. Land Cruiser. Urj200, 202 Grj200 Vdj200

INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY (for LHD, for RHD LH Side)
INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY (for RHD RH Side)

Wiper Switch -- On-Vehicle Inspection

1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY (for LHD, for RHD LH Side)

w/o Rain Sensor
Check the front wiper intermittent operation.
1. Connect a voltmeter positive (+) lead to terminal E16-3 (+1) and a negative (-) lead to terminal E15-4 (EW).
  Text in Illustration
  *a
  Component with harness connected
  (Windshield Wiper Switch Assembly)
2. Turn the wiper switch to the INT position.
3. Operate the intermittent wiper relay and check the voltage between terminals E16-3 (+1) and E15-4 (EW).
  OK:
  Voltage changes as shown in the illustration.
  
  If the result is not as specified, replace the windshield wiper switch assembly.

Check the front washer operation.
1. Connect a voltmeter positive (+) lead to terminal E15-7 (WF) and a negative (-) lead to terminal E15-4 (EW).
  Text in Illustration
  *a
  Component with harness connected
  (Windshield Wiper Switch Assembly)
2. Turn the power switch on (IG).
3. Turn the washer switch on and off, and check the voltage between terminals E15-7 (WF) and E15-4 (EW).
  OK:
  Voltage changes as shown in the following illustration.
  
  If the result is not as specified, replace the windshield wiper switch assembly.

2. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY (for RHD RH Side)

w/o Rain Sensor
Check the front wiper intermittent operation.
1. Connect a voltmeter positive (+) lead to terminal E16-2 (+1) and a negative (-) lead to terminal E15-7 (EW).
  Text in Illustration
  *a
  Component with harness connected
  (Windshield Wiper Switch Assembly)
2. Turn the wiper switch to the INT position.
3. Operate the intermittent wiper relay and check the voltage between terminals E16-2 (+1) and E15-7 (EW).
  OK:
  Voltage changes as shown in the illustration.
  
  If the result is not as specified, replace the windshield wiper switch assembly.

Check the front washer operation.
1. Connect a voltmeter positive (+) lead to terminal E15-7 (WF) and a negative (-) lead to terminal E15-4 (EW).
  Text in Illustration
  *a
  Component with harness connected
  (Windshield Wiper Switch Assembly)
2. Turn the power switch on (IG).
3. Turn the washer switch on and off, and check the voltage between terminals E15-4 (WF) and E15-7 (EW).
  OK:
  Voltage changes as shown in the following illustration.
  
  If the result is not as specified, replace the windshield wiper switch assembly.