Diagnose and Repair Transfer Gearbox Shift Control System

Electronic Controls System Information

Diagnose And Repair Transfer Gearbox Shift Control System
Use of the information below will allow the technician to understand and diagnose transfer gear box shift control problems. The Transfer Gearbox Control Unit (TCU) will seldom fail on its own. The failure is usually caused by other components in the system. This document consists of four key sections:
1. System Information
- General Description
- Interface With Other Systems

2. Symptom Diagnosis
3. Diagnostic Checks And Repair Procedures
4. TCU Pin Layout