DTC C1613: Drive Mode Selector System (Stuck ON)
OPERATION
The AWC-ECU controls the driving mode by the signal from the S-AWC drive mode-selector.
DTC SET CONDITIONS
This DTC will be set when the S-AWC drive mode-selector is seized.
PROBABLE CAUSES
Malfunction of S-AWC drive mode-selector
Damaged harness wires and connectors
Malfunction of AWC-ECU
DIAGNOSIS
Required Special Tools:
MB992006: Extra fine probe
STEP 1. Scan tool (M.U.T.-IIISE) data list.
Item No.68: Drive mode selector (Refer to
).
Is the check result normal?
Go to Step 4
.
Go to Step 2
.
STEP 2. Check of short circuit in SW1 line S-AWC drive mode-selector connector and AWC-ECU connector.
Is the check result normal?
Go to Step 3
.
Repair the connector(s) or wiring harness.
STEP 3. Check of the S-AWC drive mode-selector
Refer to
.
Is the check result normal?
Go to Step 4
.
Replace the S-AWC drive mode-selector (Refer to
).
STEP 4. Check whether the DTC is set again.
Is the DTC C1613 set?
Replace the AWC-ECU (Refer to
).
Intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction
).