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Home >> Infiniti >> 1998 >> QX4 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - Introduction >> Additional System Features >> System Readiness Test (SRT) Codes >> Setting SRT Codes
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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.