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Home >> Nissan-Datsun >> 2000 >> Pathfinder LE, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Multi-Remote Control Systems >> System Tests >> Interior Light Check

Interior Light Check

  1. Check Interior Light

    Ensure interior light switch is in DOOR position. Open any door. If interior light illuminates, go to next step. If interior light does not illuminate, check interior light circuit. See appropriate wiring diagram in ILLUMINATION/INTERIOR LIGHTS article.

  2. Check Interior Light Circuit

    Turn ignition off. Ensure interior light switch is in DOOR position. Using DVOM, measure voltage (backprobe) between ground and terminal No. 8 (Red/Black wire) at Smart Entrance Control Unit (SECU) harness connector. See WIRING DIAGRAMS  . If battery voltage is present, go to next step. If battery voltage is not present, repair open or short in wiring harness between interior light and SECU.

  3. Check SECU Output

    Ensure ignition is off. Using DVOM, measure voltage (backprobe) between ground and terminal No. 8 (Red/Black wire) at SECU harness connector. See WIRING DIAGRAMS  . Press and hold UNLOCK button on remote transmitter for 30 seconds. DVOM should indicate zero volts. Release button. DVOM should indicate battery voltage. If voltage is as specified, recheck system. If voltage is not as specified, replace SECU.
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