PROCEDURE
PROCEDURE |
Note | ||
This section is specified for H4SO engine (model). |
CHECK PRE-INSPECTION.
Ask the customer when and how trouble occurred using interview checklist.
Before performing the diagnosis, inspect following items which might influence the AT problems.
• |
General
inspection
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• |
Oil leak
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• |
Stall speed test
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• |
Line pressure test
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• |
Transfer clutch pressure test
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• |
Time lag test
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• |
Road test
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Inhibitor switch
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Is the item that might influence AT problem normal?
Yes |
No |
Repair or replace each item.
CHECK AT OIL TEMP WARNING LIGHT.
Turn the ignition switch to ON.Does the AT OIL TEMP warning light illuminate?
Yes |
No |
CHECK AT OIL TEMP WARNING LIGHT.
Turn the ignition switch to OFF.Repair the AT OIL TEMP warning light circuit or power supply and ground line circuit.
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Turn the ignition switch to ON.
Is the AT OIL TEMP warning light illuminate?
Yes |
No |
CHECK INDICATION OF DTC.
Calling up the DTC.
Note | ||
If the communication function of Vehicle Diagnostic
Interface cannot be executed normally, check the communication circuit.
|
Is the DTC displayed?
Yes |
• |
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• |
|
No |
PERFORM THE GENERAL DIAGNOSTICS.
Inspect using “Diagnostic Procedure without DTC”.
Inspect using “Symptom Related Diagnostic”.
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Perform the clear memory mode.
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Perform the inspection mode.
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Calling up the DTC.
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Is the DTC displayed?
Yes |
No |
Complete the diagnosis.
PERFORM THE DIAGNOSIS.
Inspect using “Diagnostics Chart with DTC”.
Note | ||
For DTC table, refer to “List
of Diagnostic Trouble Code (DTC)”.
|
Repair the trouble cause.
Perform the clear memory mode.
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Perform the inspection mode.
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Calling up the DTC.
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Is the DTC displayed?
Yes |
Inspect using “Diagnostics
Procedure with Diagnostic Trouble Code (DTC)”.
No |
Complete the diagnosis.