John Deere 492, 493, 494, 592, 594, 692, 693, 694, 892, 893, 894, 1092, 1290, 1291, 1293 Corn Heads (SN. from 705101) Diagnostic Manual (TM2168)

Table of Contents:
   Introduction
      Foreword
   General
      Safety
      Header Identification
      Specifications
      Diagnostic and Testing Procedures
   Diagnostic Trouble Codes
      E01 - Header Control Unit Diagnostic Trouble Codes
   Observable Symptoms
      Electrical System
      Drive System
      Hydraulic System
   Electrical System
      How To Use This Diagnostic Information
      Diagnostic Trouble Codes, Warning Messages and Fault Codes
      Active Header Height Control Type Identification
      Active Header Height Control System - Height Sensing Diagnostics - Type A
      Active Header Height Control System - Height Sensing Diagnostics - Type B
      CONTOUR MASTER Diagnostics
      Deck Plate Diagnostics Type Identification
      Deck Plate Diagnostics - Type A
      Deck Plate Diagnostics - Type B
      Header Identification Jumper Diagnostics
      Lighting System - Stubble Lights Diagnostics
      Lighting System - Turn/Hazard Lights Diagnostics
      Connector Information
      Circuit Code Listing
      Connector Repair Procedures
   Drive System
      General Information
      Drive System Diagnostics
      Component Identification and Location
   Hydraulic System
      General Information
      Deck Plate Adjust Diagnostics
      Component Identification and Location