Code No.C1613: Drive mode selector stuck ON


OPERATION


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

DIAGNOSIS CODE SET CONDITION


The 4WD switch is stuck on

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. Then go to Step 5.

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 stored again.

Q. Is the diagnosis code No.C1613 stored?
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 stored again.

Q. Is the diagnosis code No.C1613 stored?
Return to Step 1.
This diagnosis is complete.