Wiper Relay: Testing and Inspection
ON-VEHICLE INSPECTION1. INSPECT WINDSHIELD WIPER RELAY ASSEMBLY
a. Operation check
1. Connect the voltmeter positive (+) lead to terminal 4 (LM) of the connector, and the voltmeter negative (-) lead to terminal 6 (LS).
2. Connect the positive battery (+) lead to terminal 3 (+B) of the connector, and the negative battery (-) lead to terminal 6 (LS). Measure the voltage between terminals 4 (LM) and 6 (LS).
Standard voltage: 10 to 14 V