2000 Nissan-Datsun Maxima GLE, RE4F04BFACTORY OEM SERVICE PROCEDURE

Door Switch Check

  1. Measure voltage by backprobing between appropriate SECU terminals and ground. See DOOR SWITCH INPUT SIGNAL TEST  table. If voltages are not as specified, go to next step. If voltages are as specified, door switch is okay.
  2. Perform appropriate door switch test. See SWITCHES  under COMPONENT TESTS. If switch is okay, inspect door switch ground circuit and/or Red/White, Red/Blue or Sky Blue wire between SECU and door switch for open or short.
DOOR SWITCH INPUT SIGNAL CHECK

Switch (Terminal No.) (1) & Condition Voltage
Left Front Door (29)
Open Zero Volts
Closed About 12 Volts
Right Front Door (40)
Open Zero Volts
Closed About 12 Volts
Left Front & Both Rear Doors (28)
Open Zero Volts
Closed About 12 Volts
(1) Use illustrations for terminal locations. See Fig 1 and Fig 2 .
Fig 1: Identifying SECU 18-Pin Connector Terminals
G99H02432Courtesy of NISSAN MOTOR CO., U.S.A.
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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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