Inspection
Procedure 11: Does not shift properly (all points)
COMMENTS ON TROUBLE SYMPTOM
If all shift points are early or late while driving, the cause is probably a malfunction
of the output shaft speed sensor, throttle position sensor, or engine-A/T-ECU.
PROBABLE CAUSES
- Malfunction of output shaft speed sensor
- Malfunction of throttle position sensor
- Malfunction of the engine-A/T-ECU
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STEP 1. M.U.T.-III data list
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Item 0002: Output shaft speed sensor (Refer to data list reference table ).
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Q.
Is the check result normal?
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Go to Step 2.
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Refer to diagnosis code 23: Output shaft speed sensor system .
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STEP 2. M.U.T.-III data list
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Item 11: Throttle position sensor (Refer to data list reference table ).
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Q.
Is the check result normal?
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Go to Step 3.
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Check the throttle position sensor system (Refer to GROUP 13A, Troubleshooting <Except
for Hong Kong and Singapore> or Refer to GROUP 13B, Troubleshooting <Vehicles
for Hong Kong and Singapore>).
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STEP 3. M.U.T.-III actuator test
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(1)Item 14: INVECS-II cancel command
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(2)Test drive the vehicle (Refer to Road Test, Inspection procedure 8 ).
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(3)Check that the gear shifting corresponds to the standard shift line of the shift
pattern diagram.
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Q.
Is the check result normal?
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The inspection is complete.
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Replace the engine-A/T-ECU.
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