All Models

Remove control unit with connector intact. Release all pressure from brakes and clutch. Turn ignition on. Turn cruise control main switch to "ON" position.
On all models except Stanza and Stanza Wagon models, check voltage from harness side of control unit, between terminals No. 5 and 13. See Fig 1 . Voltage should be about 12 volts.
On Stanza and Stanza Wagon models, check voltage between terminals No. 5 and 14. Voltage should be about 12 volts. See Figure .

Fig 1: Maxima, Pickup, Pathfinder, 200SX & 300ZX Cruise Control Harness Connector Terminals

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

Fig 2: Stanza & Stanza Wagon Cruise Control & Actuator Harness Connector Terminals

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