Sequoia 4WD V8-4.7L (2UZ-FE) (2006)
Trailer Lamps: Testing and Inspection
TRAILER SOCKET
ON-VEHICLE INSPECTION
1. INSPECT TOWING CONVERTER CIRCUIT
a. Remove the towing converter with the connector still connected and inspect the wire harness side connector from the back side, as shown in
the table.
If the circuit is not as specified, inspect the circuit connected to other parts.
2. INSPECT BRAKE CONTROLLER CIRCUIT (TRAILER SOCKET 7 PIN TYPE)