Inspection Procedure 12: Does not shift properly (some point)
COMMENTS ON TROUBLE SYMPTOM
If some of the shift points are early or late when driving, the cause is probably a malfunction of valve body, or it is due to the characteristics of the INVECS-II system but is not an abnormality.
PROBABLE CAUSES
- Malfunction of valve body
- Malfunction of the engine-A/T-ECU
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STEP 1. Check when the shift points early or late.
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Q.
Are the shift points early or late only when A/T fluid is -20°C or less, or 125°C or more?
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The symptom is due to characteristics of the INVECS-II system, but is not abnormal.
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Go to Step 2.
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STEP 2. 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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