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Home >> Infiniti >> 2000 >> G20 Base, Automatic, RE4F03W >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission Overhaul - Re4F03B/W >> Performance Tests >> Road Test >> Road Test Procedure

Road Test Procedure

  1. Park vehicle on flat surface and set OD switch to ON position. Move selector lever to "P" position and start engine.
  2. Move selector lever to "D" position. Depress accelerator pedal halfway. Vehicle should start from 1st gear. Verify 1-2, 2-3 and 3-4 upshifts occur at specified speed. See appropriate SHIFT SPEED SPECIFICATIONS table.
  3. Lock-up occurs at speeds relative to throttle opening in 3rd or 4th gear. Verify lock-up speeds. See appropriate LOCK-UP SPEED SPECIFICATION table. Lock-up condition should be maintained for more than 30 seconds. Lock-up state is released upon deceleration.
  4. Confirm OD switch is in ON position and selector lever is in "D" position. Accelerate vehicle to approximately 50 MPH using light-throttle. Release accelerator pedal and then quickly depress pedal to floor. Transaxle should downshift from 4th to 2nd gear. Release accelerator and verify 2-3, and 3-4 upshifts. Check shift points and specified speeds. See appropriate SHIFT SPEED SPECIFICATIONS table.
  5. Confirm OD switch is in ON position and selector lever is in "D" position. Accelerate vehicle to 4th gear using half-throttle. Release accelerator and move OD switch to OFF position. Verify 4-3 downshift.
  6. While still in 3rd gear, move selector lever from "D" to "2" position. Downshift should occur and deceleration should occur by engine braking. While still in 2nd gear, move selector lever from "2" to "1" position. Downshift should occur and deceleration should occur by engine braking.
LOCK-UP SPEED SPECIFICATIONS (1.8L - CALIFORNIA) (1)

Application MPH
OD Switch On
Lock-Up On In 4th 60-65
Lock-Up Off In 4th 39-44
OD Switch Off
Lock-Up On In 3rd 53-58
Lock-Up Off In 3rd 52-57
(1) With 1/4 throttle opening.
LOCK-UP SPEED SPECIFICATIONS (1.8L - EXCEPT CALIFORNIA) (1)

Application MPH
OD Switch On
Lock-Up On In 4th 58-63
Lock-Up Off In 4th 38-43
OD Switch Off
Lock-Up On In 3rd 53-58
Lock-Up Off In 3rd 52-57
(1) With 1/4 throttle opening.
LOCK-UP SPEED SPECIFICATIONS (2.0L) (1)

Application MPH
OD Switch On
Lock-Up On In 4th 65-70
Lock-Up Off In 4th 46-51
OD Switch Off
Lock-Up On In 3rd 53-58
Lock-Up Off In 3rd 52-57
(1) With 1/4 throttle opening.
SHIFT SPEED SPECIFICATIONS (1.8L - CALIFORNIA) (1)

Application Full Throttle MPH Half Throttle MPH
1st-2nd 34-39 20-25
2nd-3rd 64-69 37-42
3rd-4th 101-106 77-82
4th-3rd 99-104 43-48
3rd-2nd 58-63 22-27
2nd-1st 25-30 16-21
(1) With 1/4 throttle opening.
SHIFT SPEED SPECIFICATIONS (1.8L - EXCEPT CALIFORNIA) (1)

Application Full Throttle MPH Half Throttle MPH
1st-2nd 32-37 21-25
2nd-3rd 62-67 36-41
3rd-4th 98-103 74-79
4th-3rd 96-101 42-47
3rd-2nd 56-61 21-26
2nd-1st 25-30 15-20
(1) With 1/4 throttle opening.
SHIFT SPEED SPECIFICATIONS (2.0L) (1)

Application Full Throttle MPH Half Throttle MPH
1st-2nd 32-37 21-25
2nd-3rd 60-65 36-41
3rd-4th 95-100 75-80
4th-3rd 93-98 45-50
3rd-2nd 54-59 21-26
2nd-1st 25-30 6-11
(1) With 1/4 throttle opening.