1998 Infiniti Q45 BaseFACTORY OEM SERVICE PROCEDURE

System Tests

NOTE: If battery or driver's seat control unit (LCU 05) are disconnected, initialization procedure MUST be performed before memory button can be programmed. See INITIALIZATIONΒ  under PROGRAMMING.
WIRE COLOR ABBREVIATIONS (1)

Abbreviation Color
B Black
G Green
L Blue
P Pink
R Red
W White
Y Yellow
BR Brown
GY Gray
LG Light Green
OR Orange
SB Sky Blue
(1) Listed wire color abbreviations are used in the following diagnostic procedures.
Fig 1: Diagnostic Procedure No. 1: Power Supply & Ground Circuit Check For Driver's Seat Control Unit (LCU 05)
G97F11887Courtesy of NISSAN MOTOR CO., U.S.A.
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:

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

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