Stop Lamp Switch

WARNING: This page is about a different car, the 2005 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.

Turn ignition switch OFF.
Disconnect stop lamp switch harness connector.
Check harness continuity between stop lamp switch terminals 1 and 2 under the following conditions.

Fig 1: Checking Harness Continuity Between Stop Lamp Switch Terminals 1 And 2
Courtesy of NISSAN MOTOR CO., U.S.A.

ON BOARD DIAGNOSTIC LOGIC

CONDITION	Continuity
When brake pedal: Fully released.	Should not exist.
When brake pedal: Slightly depressed.	Should exist.

If NG, adjust stop lamp switch installation, refer to "BRAKE PEDAL ", and perform step 3 again.