3C
DTC 67 / 68
DTC Detecting Condition and Trouble Area
DTC detecting condition Trouble area
67: VSV1 Malfunction
Monitor signal of VSV1 is ON even if command signal of VSV1 is OFF.
VSV1 and/or its circuit
VSV2 and/or its circuit
4WD control module
68: VSV2 Malfunction
Monitor signal of VSV2 is ON even if command signal of VSV2 is OFF.
Wiring Diagram
[A]: 4WD control module connector (View: [a]) 2. VSV2 4. CPU
1. VSV1 3. 4WD control module      
DTC Confirmation Procedure
1) Turn ignition switch to ON position.
DTC Troubleshooting
DTC 67
Step Action YES NO
1
VSV1 power supply circuit check
1) Disconnect connector from VSV1 with ignition switch OFF.
2) Check that VSV1 power supply circuit (“YEL/RED” wire) voltage is battery voltage between VSV1 connector and vehicle body ground with ignition switch turned ON.
Is it in good condition?
Go to Step 2.
Repair or replace VSV1 power supply circuit.
2
VSV1 drive circuit check
1) Disconnect 4WD control module connector.
2) Check VSV1 drive circuit (“GRY/BLK” wire) for open and short to ground.
Is it in good condition?
Go to Step 3.
Repair or replace VSV1 drive circuit.
3
VSV1 check
1) Check VSV1. icon 
Is it in good condition?
Substitute a known-good 4WD control module and recheck.
Replace VSV1.
DTC 68
Step Action YES NO
1
VSV2 power supply circuit check
1) Disconnect connector from VSV2 with ignition switch OFF.
2) Check that VSV2 power supply circuit (“YEL/RED” wire) voltage is battery voltage between VSV2 connector and vehicle body ground with ignition switch turned ON.
Is it in good condition?
Go to Step 2.
Repair or replace VSV2 power supply circuit.
2
VSV2 drive circuit check
1) Disconnect 4WD control module connector.
2) Check VSV2 drive circuit (“GRY/RED” wire) for open and short to ground.
Is it in good condition?
Go to Step 3.
Repair or replace VSV2 drive circuit.
3
VSV2 check
1) Check VSV2. icon 
Is it in good condition?
Substitute a known-good 4WD control module and recheck.
Replace VSV2.