Use the wire harness stored in the rear end under body.
Service connector for towing brake controller
Your vehicle is equipped with a service connector for the trailer brake controller as shown.
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CHECK AUTOMATIC LIGHT CONTROL SENSOR
(a) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection
Switch Condition
...
Inspection
INSPECTION
PROCEDURE
1. INSPECT AUTOMATIC TRANSMISSION OIL PAN SUB-ASSEMBLY
(a) Remove the magnets and use them to collect steel particles.
(b) Carefully look at the foreign matter and particles in the pan and on the
magnets to anticipate the type of wea ...