CHECK STOP LIGHT & BRAKE SWITCH CIRCUIT.

1) Turn the ignition switch to OFF.

2) Disconnect the stop light & brake switch harness connector.

3) Turn the ignition switch to ON.

4) Measure the voltage between harness connector terminal and chassis ground.

Connector & terminal

(B65) No. 2 (+) — Chassis ground (−):

QUESTION

Is the voltage 10 V or more?

Yes No

Check fuse No. 16 (in fuse & relay box).

Check for open or short circuit in the harness between stop light & brake switch and fuse & relay box.