HEAD AS-80X50 4924581 - Caterpillar

Illustration 1 g00388452
Schematic for the Rocker SwitchImplement Function Select Switch The electronic control module receives two types of input from the rocker switch. The inputs are N/O and N/C. During proper operation, one input is open and the other input is grounded. This fault is recorded when the status of both the N/O and N/C switch inputs of the ECM are open.Table 1 contains wire numbers and connector contacts. Use this information to troubleshoot the faulty circuit.Service Notes: Ensure that the desired fault CID FMI 05 fault is on hold and that the fault present indicator is ON.Note: The following test procedure may create other faults. Ignore these created faults and clear the faults when the original fault is corrected.
Table 1
Switch Continuity    
Swtich / CID     Switch State     Implement ECM Connector Contact No.     Switch Contact     Wire No.     Status    
CID 0489 Function Select Switch     Primary (Tilt)     J1-23 N/O (1)     N/O     G943-BU     O (2)    
J1-24 N/C (3) N/C     G944-YL     G (4)    
Auxiliary J1-23 N/O     N/O     G943-BU     G    
J1-24 N/C N/C     G944-YL     O    
( 1 ) N/O = Normally Open.
( 2 ) O = Open (no continuity to ground).
( 3 ) N/C = Normally Closed.
( 4 ) G = Grounded ( continuity to ground).
CHECK HARNESS GROUND CIRCUIT
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