DIAGNOSIS PROCEDURE |
STEP 1. M.U.T.-III diagnosis code |
Check if diagnosis code is set in the transfer-ECU. |
Q.
Is the diagnosis code set?
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STEP 2. Check the freewheel solenoid. |
Refer to GROUP 26 - Free wheel solenoid valve operation check ![]() |
Q.
Is the check result normal?
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STEP 3. Check of short to power supply, short to earth, and open circuit in FSL+, FSL- line between transfer-ECU and freewheel solenoid connector. |
Q.
Is the check result normal?
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STEP 4. Retest the system |
Check that the freewheel solenoid functions work normally. |
Q.
Is the check result normal?
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