HS 250h L4-2.4L (2AZ-FXE) Hybrid (2010)
Wiper Switch: Testing and Inspection
WIPER / WASHER: WIPER SWITCH: INSPECTION
1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY
(a) w/o Auto Wiper System
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Front Washer Switch
Front Wiper Switch
(2) If the result is not as specified, replace the windshield wiper switch assembly.
Text in Illustration
(3) Check the intermittent operation.
1
Connect a voltmeter positive (+) lead to terminal F28-3 (+1) and a negative (-) lead to terminal F27-2 (EW).
2
Connect a battery positive (+) lead to terminal F28-2 (+B) and a negative (-) lead to terminal F27-2 (EW) and F28-1 (+S).
3
Turn the wiper switch to the INT position.
4
Connect a battery positive (+) lead to terminal F28-1 (+S) for 5 seconds.
5
Connect a battery negative (-) lead to terminal F28-1 (+S). Operate the intermittent wiper relay and check the voltage between
terminals F28-3 (+1) and F27-2 (EW).
OK:
Voltage changes as shown in the illustration.