Stop Lamp Switch

WARNING: This page is about a different car, the 2005 Infiniti QX56. 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 continuity between stop lamp switch terminals 3 and 4 under the following conditions.

STOP LAMP SWITCH CONDITION - CONTINUITY

Condition	Continuity
Brake pedal: Fully released.	Should not exist.
Brake pedal: Slightly depressed.	Should exist.

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

Fig 1: Checking Continuity Between Stop Lamp Switch Terminals 3 And 4

Courtesy of NISSAN MOTOR CO., U.S.A.