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Q.
Is diagnosis code P1778 (P0740) set?
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Item 01: Low-reverse solenoid valve
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OK: Operating sound can be heard.
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Q.
Is the check result normal?
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Intermittent malfunction (Refer to GROUP 00 -
How to Cope with Intermittent
Malfunction .)
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Check for the contact with terminals.
Q.
Is the check result normal?
Go to Step 4.
Repair the defective connector.
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Disconnect the connector, and measure the resistance between terminal No.6 and No.10 at
the solenoid valve side. OK: 2.7 -
3.4 Ω
(A/T fluid temperature 20°C)
Q.
Is the check result normal?
Go to Step 5.
Check the low-reverse solenoid valve and solenoid valve harness.
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(1)Connect A/T control solenoid valve assembly connector B-15.
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(2)Turn the ignition switch to the ON position.
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(3)Measure the voltage between A/T-ECU connector C-20 terminal No.62 and earth. OK: System voltage
Q.
Is the check result normal?
Go to Step 8.
Go to Step 6.
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Check for the contact with terminals.
Q.
Is the check result normal?
Go to Step 7.
Repair the defective connector.
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Check the output line for short or open circuit.
Q.
Is the check result normal?
Go to Step 8.
Repair the wiring harness.
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Item 01: Low-reverse solenoid valve
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OK: Operating sound can be heard.
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Q.
Is the check result normal?
|
|
Intermittent malfunction (Refer to GROUP 00 -
How to Cope with Intermittent
Malfunction .)
|
|
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Check for the contact with terminals.
Q.
Is the check result normal?
Go to Step 10.
Repair the defective connector.
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Disconnect the connector, and measure the resistance between terminal No.6 and No.10 at
the solenoid valve side. OK: 2.7 -
3.4 Ω
(A/T fluid temperature 20°C)
Q.
Is the check result normal?
Go to Step 11.
Check the solenoid valve harness.
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Check for the contact with terminals.
Q.
Is the check result normal?
Go to Step 12.
Repair the defective connector.
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Check the power supply line for short or open circuit.
Q.
Is the check result normal?
Go to Step 8.
Repair the wiring harness.
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