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Home >> Scion >> 2005 >> tC L4-2.4L (2AZ-FE) >> Repair and Diagnosis >> Wiper and Washer Systems >> Testing and Inspection >> Initial Inspection and Diagnostic Overview >> Inspection

Inspection

INSPECTION










1. WINDSHIELD WIPER SWITCH ASSEMBLY
a. Continuity Check
1. Measure the resistance according to the value(s)in the table.

Standard: Front Wiper Switch:

b. Intermittent Operation Check
1. Connect the voltmeter positive terminal to terminal 7 (+1) of the connector and the voltmeter negative terminal to terminal 2 (EW).
2. Connect the battery positive (+) lead to terminal 17 (+B) and the battery negative (-) lead to terminals 2 (EW) and 16 (+S).
3. Turn the wiper switch to the INT position.
4. Connect the battery positive (+) lead to terminal 16 (+S) of the connector for 5 seconds.
5. Connect the battery negative (-) lead to terminal 16 (+S) of the connector. Operate the intermittent wiper relay.




6. Check the voltage between terminals 7 (+1) and 2 (EW).




c. Front Washer Operation Check
1. Turn the wiper switch off.
2. Connect the battery positive (+) lead to terminal 17 (+B) of the connector and the battery negative cable to terminals 16 (+S) and 2 (EW).
3. Connect the voltmeter positive (+) terminal to terminal 7 (+1) of the connector and the voltmeter negative (-) terminal to terminal 2 (EW).
4. Turn the washer switch on and off, and check the voltage between terminals 7 (+1) and 2 (EW).




2. WINDSHIELD WIPER MOTOR ASSEMBLY
a. LO Operation Check
1. Connect the battery positive (+) lead to terminal 1 (+1) of the connector and the battery negative (-) lead to terminal 5 (E).
2. Check that the motor operates at low speed (LO).

b. HI Operation Check
1. Connect the battery positive (+) lead to terminal 4 (+2) of the connector and the battery negative (-) lead to terminal 5 (E).
2. Check that the motor operates at high speed (HI).

c. Automatic Stop Operation Check
1. Connect the battery positive (+) lead to terminal 1 (+1) of the connector and the battery negative (-) lead to terminal 5 (E). With the motor being rotated at low speed (LO).
2. Disconnect terminal 1 (+1) to stop the wiper motor operation at any position other than the automatic stop position.
3. Using SST, connect terminals 1 (+1) and 3 (S).

SST 09843-18040

4. Connect the positive (+) lead from the battery to terminal 2 (B).
5. Check that the motor stops running at the stop position after the motor operates again.




6. Check the automatic stop position.

OK: See the illustration.
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