Sienna (Relay Operation Check)
Remove rear wiper relay. Connect fused jumper between battery voltage and relay terminal No. 3 and connect jumper wire between ground and terminal No. 6. See Fig 2. Connect DVOM positive lead to relay terminal No. 3 and negative lead to terminal No. 6. Zero volts should be indicated. Connect DVOM positive lead to relay terminal No. 4 and negative lead to terminal No. 6. Battery voltage should be indicated. If readings are not as specified, replace rear wiper relay.
REAR WIPER RELAY LOCATION
| Model | Location |
|---|---|
| Celica | Inside Back Door, At Rear Wiper Motor |
| Land Cruiser, LX 470 & 4Runner | Inside Back Door, To Left Of Motor |
| Sienna | Under Passenger Front Seat |
| RAV4 | Instrument Panel Fuse Block |