Code No.C1613: 4WD Mode Switch Stuck




OPERATION


The 4WD-ECU controls the driving mode by the signal from the 4WD switch.

DIAGNOSIS CODE SET CONDITION


This diagnosis code is set when the abnormality below is detected:


PROBABLE CAUSES




DIAGNOSIS PROCEDURE


STEP 1. M.U.T.-III data list


Check the following data list (Refer to ).

  • Item No.41: Mode SW

Q. Is the check result normal?

Go to Step 4.
Go to Step 2.

STEP 2. Check the wiring harness between 4WD switch connector and 4WD-ECU connector terminal sw-1.


Check the output line for short circuit.

Q. Is the check result normal?

Go to Step 3.
Repair the defective connector or the wiring harness.

STEP 3. 4WD switch inspection


Refer to .

Q. Is the check result normal?

Go to Step 4.
Replace the 4WD switch (Refer to ). Then go to Step 5.

STEP 4. Check whether the diagnosis code is reset.


Q. Is the diagnosis code No.C1613 set?

Replace the 4WD-ECU (Refer to ). Then go to Step 5.
Intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction ).

STEP 5. Check whether the diagnosis code is reset.


Q. Is the diagnosis code No.C1613 set?

Return to Step 1.
This diagnosis is complete.