RAV4 & Sienna (Intermittent Operation Check)

Remove rear wiper relay. Connect fused jumper between battery voltage and relay terminal No. 5 and connect jumper wire between ground and terminal No. 2 for longer than 2 seconds. See Figure. Connect positive lead of analog voltmeter to relay terminal No. 4 and negative lead to terminal No. 2. Move battery voltage lead from terminal No. 5 to terminal No. 3. Observe meter. Reading should change from zero volts to battery voltage within 9 to 15 seconds. If readings are not as indicated, replace relay.