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Home >> Mitsubishi >> 2011 >> Eclipse GS, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System >> Automatic Transaxle Diagnosis >> Road Test

Road Test

Check using the following procedures.

ROAD TEST

STEP CONDITION BEFORE TEST/OPERATION TEST/OPERATION STANDARD INSPECTION ITEM DTC INSPECTION PROCEDURE
1 Ignition switch: (LOCK) OFF Ignition switch
  1. ON
 Data list No. 8
  1. Control Relay Voltage [V]
 A/T Control relay output voltage P1788  A/T Control relay system ( ).
2 Ignition switch: ON
Engine: Stopped
Transmission range: P		 Transmission range
(1) P, (2) R, (3) N, (4) D		 Data list No. 34
(1) P, (2) R, (3) N, (4) D		 Transmission range switch P1770 , P1771  Transmission range switch system ( , ).
Transmission range
  1. D (1st gear)
  2. Select the sport mode (1st gear)
  3. Upshift and hold the selector lever in that position (2nd gear)
  4. Downshift and hold the selector lever in that position (1st gear)
 Data list No. 27
(1) OFF, (2) ON, (3) ON, (4) ON
Data list No. 28
(1) OFF, (2) OFF, (3) ON, (4) OFF
Data list No. 29
(1) OFF, (2) OFF, (3) OFF, (4) ON		 Select switch and Shift switch - Shift switch assembly system (INSPECTION PROCEDURE 15: SHIFT SWITCH ASSEMBLY SYSTEM  ).
Selector lever position indicator light
  1. "D" illuminates
  2. Only "1" illuminates
  3. Only "2" illuminates
  4. Only "1" illuminates
Accelerator pedal
  1. Fully closed
  2. Depressed
  3. Fully open
 Data list No. 2
  1. 300 - 700 mV
  2. Gradually rises from (1)
  3. 4,000 mV or more
 TP sensor - DTC P0122: THROTTLE POSITION SENSOR (MAIN) CIRCUIT LOW INPUT , DTC P0123: THROTTLE POSITION SENSOR (MAIN) CIRCUIT HIGH INPUT for 2.4L Engine.
DTC P0122: THROTTLE POSITION SENSOR (MAIN) CIRCUIT LOW INPUT , DTC P0123: THROTTLE POSITION SENSOR (MAIN) CIRCUIT HIGH INPUT for 3.8L Engine.
Brake pedal
  1. Depressed
  2. Released
 Data list No. 19
  1. ON
  2. OFF
 Stoplight switch P1769  Stoplight switch system ( ).
3 Ignition switch: ST
Engine: Stopped		 Cranking test with lever in P or N range Cranking should be possible Cranking - Engine does not crank (INSPECTION PROCEDURE 1: ENGINE DOES NOT START  ).
4 Engine warming up Drive for 15 minutes or more so that the transmission fluid temperature becomes 70 - 80°C (158 - 176°F) Data list No. 7
Gradually rises to 70 - 80°C (158 - 176°F)		 Transmission fluid temperature sensor P1763 , P1764  Transmission fluid temperature sensor system ( , ).
5 Engine: Idling Transmission range: N Brake pedal (Retest)
  1. Depressed
  2. Released
 Data list No. 19
  1. ON
  2. OFF
 Stoplight switch P1769  Stoplight switch system ( ).
5 Engine: Idling Transmission range: N Accelerator pedal
  1. Fully closed
  2. Depressed
 Data list No. 1
  1. Engine tachometer and the scan tool MB991958 (M.U.T.-III sub assembly) shows the same engine speed
  2. Gradually rises from (1)
 Crankshaft position sensor - DTC P0335: CRANKSHAFT POSITION SENSOR CIRCUIT for 2.4L Engine .
DTC P0335: CRANKSHAFT POSITION SENSOR CIRCUIT for 3.8L Engine .
Transmission range
  1. N → D
  2. N → R
 Should be no abnormal shift shocks
Time delay when engaging should be within 2 seconds		 Malfunction when starting - Engine stalls when moving selector lever from N to D or N to R (INSPECTION PROCEDURE 5: ENGINE STALLS WHEN MOVING SELECTOR LEVER FROM "N" TO "D" OR "N" TO "R"  ).
- Shift shock when shifting from N to D and long delay (INSPECTION PROCEDURE 6: SHIFT SHOCK WHEN SHIFTING FROM "N" TO "D" AND LONG DELAY  ).
- Shift shock when shifting from N to R and long delay (INSPECTION PROCEDURE 7: SHIFT SHOCK WHEN SHIFTING FROM "N" TO "R" AND LONG DELAY  ).
- Shift shock when shifting from N to D, N to R and long delay (INSPECTION PROCEDURE 8: SHIFT SHOCK WHEN SHIFTING FROM "N" TO "D," "N" TO "R" AND LONG DELAY  ).
Transmission range
  1. N → D
  2. N → R
 Should be no abnormal shift shocks
Time delay when engaging should be within 2 seconds		 Does not move - Does not move forward (INSPECTION PROCEDURE 2: DOES NOT MOVE FORWARD  ).
- Does not move backward (INSPECTION PROCEDURE 3: DOES NOT MOVE BACKWARD  ).
- Does not move (forward or backward) (INSPECTION PROCEDURE 4: DOES NOT MOVE (FORWARD OR BACKWARD)  ).
6 <4A/T> Transmission range: Sport mode (on a flat and straight road) Gear range and vehicle speed (Each condition should be maintained for 10 seconds or more).
  1. Idling in 1st gear (Vehicle stopped)
  2. Driving at constant speed of 10 km/h (6.2 mph) in 1st gear
  3. Driving at constant speed of 30 km/h (19 mph) in 2nd gear
  4. Driving at constant speed of 50 km/h (31 mph) in 3rd gear
  5. Driving at constant speed of 60 km/h (37 mph) in 4th gear
 Data list No. 11
(2) 1st, (3) 2nd, (4) 3rd, (5) 4th		 Shift position - -
Data list No. 17
(2) 0%, (3) 100%, (4) 100%, (5) 100%		 Low-reverse solenoid valve duty % P1773  Low-reverse solenoid valve system ( ).
Data list No. 12
(2) 0%, (3) 0%, (4) 0%, (5) 100%		 Underdrive solenoid valve duty % P1774  Underdrive solenoid valve system ( ).
Data list No. 14
(2) 100%, (3) 0%, (4) 100%, (5) 0%		 Second solenoid valve duty % P1775  Second solenoid valve system ( ).
Data list No. 15
(2) 100%, (3) 100%, (4) 0%, (5) 0%		 Overdrive solenoid valve duty % P1776  Overdrive solenoid valve system ( ).
Data list No. 5
(4) 1,500 - 1,800 r/min		 Input shaft speed sensor P1766  Input shaft speed sensor system ( ).
Data list No. 6
(4) 1,500 - 1,800 r/min		 Output shaft speed sensor P1767  Output shaft speed sensor system ( ).
6 <5A/T> Transmission range: Sport mode (on a flat and straight road) Transmission range and vehicle speed (Each condition should be maintained for 10 seconds or more).
  1. Idling in 1st gear (Vehicle stopped)
  2. Driving at constant speed of 10 km/h (6.2 mph) in 1st gear
  3. Driving at constant speed of 30 km/h (19 mph) in 2nd gear
  4. Driving at constant speed of 50 km/h (31 mph) in 3rd gear
  5. Driving at constant speed of 60 km/h (37 mph) in 4th gear
  6. Driving at constant speed of 70 km/h (43 mph) in 5th gear
 Data list No. 11
(2) 1st, (3) 2nd, (4) 3rd, (5) 4th, (6) 5th		 Shift position - -
Data list No. 12
(2) 0%, (3) 100%, (4) 100%, (5) 0%, (6) 0%		 Low-reverse solenoid valve duty % P1773  Low-reverse solenoid valve system ( ).
Data list No. 13
(2) 0%, (3) 0%, (4) 0%, (5) 0%, (6) 100%		 Underdrive solenoid valve duty % P1774  Underdrive solenoid valve system ( ).
Data list No. 14
(2)100%, (3) 0%, (4) 100%, (5) 100%, (6) 0%		 Second solenoid valve duty % P1775  Second solenoid valve system ( ).
Data list No. 15
(2) 100%, (3) 100%, (4) 0%, (5) 0%, (6) 0%		 Overdrive solenoid valve duty % P1776  Overdrive solenoid valve system ( ).
Data list No. 16
(2) 0%, (3) 0%, (4) 0%, (5)100%, (6)100%		 Reduction solenoid valve duty % P1777  Reduction solenoid valve system ( ).
Data list No. 5
(5) 1,400 - 1,700 r/min		 Input shaft speed sensor P1766  Input shaft speed sensor system ( ).
Data list No. 6
(5) 1,400 - 1,700 r/min		 Output shaft speed sensor P1767  Output shaft speed sensor system ( ).
7 <4A/T> Transmission range: Sport mode (on a flat and straight road) Transmission range and vehicle speed
  1. Driving at speed of 60 km/h (37 mph) in 3rd gear
  2. Driving at constant speed of 60 km/h (37 mph)
  3. Release accelerator pedal (Speed under 50 km/h (31 mph)
 Data list No. 17
(2) 70 - 99.6%
(3) 70 - 99.6% to 0%		 Torque converter clutch solenoid valve duty % P1778 , P1786 , P1787  Torque converter clutch solenoid system ( , , ).
Data list No. 10
(2) -10 to 10 r/min
(3) The value changes from (2)		 Torque converter clutch amount of slippage
7 <5A/T> Transmission range: Sport mode (on a flat and straight road) Transmission range and vehicle speed
  1. Driving at speed of 50 km/h (31 mph) in 4th gear
  2. Driving at constant speed of 50 km/h (31 mph)
  3. Release accelerator pedal (Speed under 50 km/h (31 mph)
 Data list No. 17
(2) 70 - 99.6%
(3) 70 - 99.6% to 0%		 Torque converter clutch solenoid valve duty % P1778 , P1786 , P1787  Torque converter clutch solenoid system ( , , ).
Data list No. 10
(2) -10 to 10 r/min
(3) The value changes from (2)		 Torque converter clutch amount of slippage
8 <4A/T> Use the scan tool MB991958 (M.U.T.-III sub assembly) to stop the INVECS-II function Transmission range: D (on a flat and straight road)
  1. Accelerate to 4th gear at a throttle position sensor output of 1.5 V (accelerator opening angle of 25%)
  2. Slowly decelerate to a stop
  3. Accelerate to 4th gear at a throttle position sensor output of 2.5 V (accelerator opening angle of 50%)
 Data list No. 2, 6
The shifting points correspond with the scan tool display and the TP sensor voltage (opening angle) and output shaft speed, which are shown in the standard shift pattern		 Malfunction when shifting - Shift shock and slipping (INSPECTION PROCEDURE 9: SHIFT SHOCK AND SLIPPING  ).
Does not shift according to instructions - Early or late shifting in all gears (INSPECTION PROCEDURE 10: EARLY OR LATE SHIFTING IN ALL GEARS  ).
- Early or late shifting in some gears (INSPECTION PROCEDURE 11: EARLY OR LATE SHIFTING IN SOME GEARS  ).
Does not shift - No diagnostic trouble code (INSPECTION PROCEDURE 12: NO DIAGNOSTIC TROUBLE CODES (DOES NOT SHIFT)  ).
P1766  Input shaft speed sensor system ( ).
P1767  Output shaft speed sensor system ( ).
  1. Accelerate from 1st gear to 4th gear.
  2. While driving at 60 km/h (37 mph) in 4th gear, downshift to 3rd gear
  3. While driving at 40 km/h (25 mph) in 3rd gear, downshift to 2nd gear
  4. While driving at 20 km/h (12 mph) in 2nd gear, downshift to 1st gear
 Data list No. 11
  1. 1st → 2nd → 3rd → 4th
  2. 4th → 3rd
  3. 3rd → 2nd
  4. 2nd → 1st
 Does not shift from 1 to 2 or 2 to 1 P1773  Low-reverse solenoid valve system ( ).
P1775  Second solenoid valve system ( ).
P1779  1st gear incorrect ratio ( ).
P1780  2nd gear incorrect ratio ( ).
Does not shift from 2 to 3 or 3 to 2 P1775  Second solenoid valve system ( ).
P1776  Overdrive solenoid valve system ( ).
P1780  2nd gear incorrect ratio ( ).
P1781  3rd gear incorrect ratio ( ).
Does not shift from 3 to 4 or 4 to 3 P1774  Underdrive solenoid valve system ( ).
P1775  Second solenoid valve system ( ).
P1781  3rd gear incorrect ratio ( ).
P1782  4th gear incorrect ratio ( ).
8 <5A/T> Use the scan tool MB991958 (M.U.T.-III sub assembly) to stop the INVECS-II function Transmission range: D (on a flat and straight road)
  1. Accelerate to 5th gear at a throttle position sensor output of 1.5 V (accelerator opening angle of 25%)
  2. Slowly decelerate to a stop
  3. Accelerate to 5th gear at a throttle position sensor output of 2.5 V (accelerator opening angle of 50%)
 Data list No. 2, 6
The shifting points correspond with the scan tool display and the TP sensor voltage (opening angle) and output shaft speed, which are shown in the standard shift pattern		 Malfunction when shifting - Shift shock and slipping (INSPECTION PROCEDURE 9: SHIFT SHOCK AND SLIPPING  ).
Does not shift according to instructions - Early or late shifting in all gears (INSPECTION PROCEDURE 10: EARLY OR LATE SHIFTING IN ALL GEARS  ).
- Early or late shifting in some gears (INSPECTION PROCEDURE 11: EARLY OR LATE SHIFTING IN SOME GEARS  ).
Does not shift - No diagnostic trouble code (INSPECTION PROCEDURE 12: NO DIAGNOSTIC TROUBLE CODES (DOES NOT SHIFT)  ).
P1766  Input shaft speed sensor system ( ).
P1767  Output shaft speed sensor system ( ).
  1. Accelerate from 1st gear to 5th gear.
  2. While driving at 70 km/h (43 mph) in 5th gear, downshift to 4th gear
  3. While driving at 60 km/h (37 mph) in 4th gear, downshift to 3rd gear
  4. While driving at 40 km/h (25 mph) in 3rd gear, downshift to 2nd gear
  5. While driving at 20 km/h (12 mph) in 2nd gear, downshift to 1st gear
 Data list No. 11
  1. 1st → 2nd → 3rd → 4th → 5th
  2. 5th → 4th
  3. 4th → 3rd
  4. 3rd → 2nd
  5. 2nd → 1st
 Does not shift from 1 to 2 or 2 to 1 P1773  Low-reverse solenoid valve system ( ).
P1775  Second solenoid valve system ( ).
P1779  1st gear incorrect ratio ( ).
P1780  2nd gear incorrect ratio ( ).
Does not shift from 2 to 3 or 3 to 2 P1775  Second solenoid valve system ( ).
P1776  Overdrive solenoid valve system ( ).
P1780  2nd gear incorrect ratio ( ).
P1781  3rd gear incorrect ratio ( ).
Does not shift from 3 to 4 or 4 to 3 P1773  Low-reverse solenoid valve system ( ).
P1777  Reduction solenoid valve system ( ).
P1781  3rd gear incorrect ratio ( ).
P1782  4th gear incorrect ratio ( ).
Does not shift from 4 to 5 or 5 to 4 P1774  Underdrive solenoid valve system ( ).
P1775  Second solenoid valve system ( ).
P1782  4th gear incorrect ratio ( ).
P1783  5th gear incorrect ratio ( ).
9 Transmission range: N (on a flat and straight road) Monitor data list No. 5 and No. 6 with the scan tool MB991958 (M.U.T.-III sub assembly)
  1. Move selector lever to R range, drive at constant speed of 10 km/h (6.2 mph)
 The ratio between data list No. 5 and No. 6 should be the same as the gear ratio when reversing. Does not match P1766  Input shaft speed sensor system ( ).
P1767  Output shaft speed sensor system ( ).
P1784  Reverse gear incorrect ratio ( ).
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