Tacoma PreRunner L4-2.7L (2TR-FE) (2005)
Wiper Switch: Testing and Inspection
INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY
a. Check the resistance.
1. Measure the resistance and check the results in accordance with the value(s) in the table below.
Standard:
If the result is not as specified, replace the windshield wiper switch assembly.
b. Check the intermittent operation.
1. Connect the voltmeter positive terminal to terminal 3 (+1) of the E7 connector and the voltmeter negative terminal to terminal 2 (EW) of the
E11 connector.
2. Connect the battery positive (+) lead to terminal 2 (+B) of the E7 connector and the battery negative (-) lead to terminals 2 (EW) of the E11
connector and 1 (+S) of the E7 connector.
3. Turn the wiper switch to the INT position.
4. Connect the battery positive (+) lead to terminal 1(+S) of the E7 connector for 5 seconds.
5. Connect the battery negative lead to terminal 1 (+S) of the E7 connector. Operate the intermittent wiper relay and check the voltage between
terminals 3 (+1) of the E7 connector and 2 (EW) of the E11 connector.