3C
DTC 13 / 14 / 15
DTC Detecting Condition and Trouble Area
DTC detecting condition Trouble area
13: “2WD” Switch Circuit
Monitor signal of “2WD” switch is ON for specified time.
2WD/4WD switch (“2WD” switch, “4WD” switch or “4WD-L” switch) and/or its circuit
4WD control module
14: “4WD” Switch Circuit
Monitor signal of “4WD” switch is ON for specified time.
15: “4WD-L” Switch Circuit
Monitor signal of “4WD-L” switch is ON for specified time.
Wiring Diagram
[A]: 4WD control module connector (View: [a]) 3. “4WD” Switch 6. CPU
1. 2WD/4WD Switch 4. “4WD-L” Switch      
2. “2WD” Switch 5. 4WD control module      
DTC Confirmation Procedure
1) Turn ignition switch to ON position for 2 minutes.
DTC Troubleshooting
DTC 13
Step Action YES NO
1
“2WD” switch check
1) Check “2WD” switch. icon 
Is it in good condition?
Go to Step 2.
Replace 2WD/4WD switch.
2
Check “2WD” switch signal circuit
1) Disconnect 4WD control module connector with ignition switch OFF.
2) Check “2WD” switch signal circuit (“BLU/BLK” wire) for short to ground.
Is it in good condition?
Substitute a known-good 4WD control module and recheck.
Repair or replace “2WD” switch signal circuit.
DTC 14
Step Action YES NO
1
“4WD” switch check
1) Check “4WD” switch. icon 
Is it in good condition?
Go to Step 2.
Replace 2WD/4WD switch.
2
Check “4WD” switch signal circuit
1) Disconnect 4WD control module connector with ignition switch OFF.
2) Check “4WD” switch signal circuit (“BLU/YEL” wire) for short to ground.
Is it in good condition?
Substitute a known-good 4WD control module and recheck.
Repair or replace “4WD” switch signal circuit.
DTC 15
Step Action YES NO
1
“4WD-L” switch check
1) Check “4WD-L” switch. icon 
Is it in good condition?
Go to Step 2.
Replace 2WD/4WD switch.
2
Check “2WD” switch signal circuit
1) Disconnect 4WD control module connector with ignition switch OFF.
2) Check “4WD-L” switch signal circuit (“BLU” wire) for short to ground.
Is it in good condition?
Substitute a known-good 4WD control module and recheck.
Repair or replace “4WD-L” switch signal circuit.