Troubleshooting Hints

The most likely causes for DTC 75 to set are:

• The 2WD/4WD detection switch is defective.
• The center differential detection switch is defective.
• The 2WD detection switch is defective.
• The 4LLc detection switch is defective.
• The 4H detection switch is defective.
• Damaged harness wires and connectors
• The M-ASTC-ECU is defective.