2004 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE

Systems Controlled By IPDM

WARNING: This page is about a different car, the 2002 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.

  1. Lamp Control

    Using CAN communication line, it receives signal from BCM and controls the listed lamps:
    • Headlamps (HI and LO).
    • Parking lamps.
    • Tail lamps.
    • Front fog lamps.

  2. Wiper Control

    Using CAN communication line, it receives signals from BCM and controls the front wipers.

  3. Rear Window Defogger Relay Control

    Using CAN communication line, it receives signals from BCM and controls the rear window defogger relay.

  4. A/C Compressor Control

    Using CAN communication line, it receives signal from ECM and controls the A/C relay.

  5. Cooling Fan Control

    Using CAN communication line, it receives signal from ECM and controls cooling fan relay.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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