1998 Infiniti QX4FACTORY OEM SERVICE PROCEDURE

Setting SRT Codes

  1. With scan tool connected to Datalink Connector (DLC), start engine and allow vehicle to warm to operating temperature (coolant temp. at 158°F). Drive vehicle according to procedure described. See Fig 1.
  2. Perform driving procedure one or more times. If driving procedure is interrupted, repeat procedure. On A/T models, operate vehicle with shift lever in "D" position with overdrive on. On M/T models, shift gears at specified intervals. See M/T SHIFT POINTS.
M/T SHIFT POINTS

Application Shift Speed MPH
Acceleration Below 4000 Ft. Elevation
1-2 13
2-3 23
3-4 33
4-5 39
Cruising Speed Below 4000 Ft. Elevation
1-2 13
2-3 16
3-4 27
4-5 36
Acceleration Above 4000 Ft. Elevation
1-2 15
2-3 25
3-4 40
4-5 45
Maximum Speed/Gear
1 30
2 60
3 90
Fig 1: Setting System Readiness Test (SRT) Codes
G98C01294Courtesy 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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