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Item 1: Shift solenoid No.1
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OK: Operating sound can be heard.
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Q.
Is the check result normal?
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Repair the shift solenoid No.1 system.
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Check the engine mounting and transmission mounting insulator for damage and any faults.
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Q.
Is the check result normal?
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Repair or replace the engine mounting and transmission mounting insulator.
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The stop lamps should illuminate when the brake pedal is depressed, and extinguish when
released.
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Q.
Is the check result normal?
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Refer to stop lamp switch system (Refer to GROUP 54A - ETACS - Troubleshooting,
Input Signal Procedures).
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Replace the A/T fluid. Then, check the trouble symptom again.
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Q.
Is the trouble symptom reproduced?
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This diagnosis is complete.
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Replace the valve body. Then, check the trouble symptom again.
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Q.
Is the trouble symptom reproduced?
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This diagnosis is complete.
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Replace the A/T-ECU. Then, check the trouble symptom again.
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Q.
Is the trouble symptom reproduced?
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Check the clutches and brakes for damage, and replace if necessary. (It is highly
possible that the clutch C3, brake B1/B4, and one-way clutch F1 that engage in reverse
gear are damaged.)
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This diagnosis is complete.
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