ROLLER AR-TRACK 1254651 - Caterpillar

Table 3
Function     P1 Connector Pin Assignment    
Mode Switch 1     39    
Mode Switch 2     46    
Switch return (Ground)     35    
Illustration 1 g01805358
Typical schematic for the mode selector switches
Illustration 2 g01805359
View of the pin locations on the P1 connector for the circuit for mode selection (35) Mode switch return (GND) (39) Mode switch 1 (46) Mode switch 2Test Step 1. Inspect Electrical Connectors and Wiring
Turn the keyswitch OFF.
Thoroughly inspect the P1 connector. Thoroughly inspect the mode switch connectors, plugs and interconnections on the harness. Refer to Troubleshooting, "Electrical Connectors - Inspect" for details.
Perform a 45 N (10 lb) pull test on each of the wires in the P1 connector that are associated with the mode selector switches.
Check the screw for the ECM connector for the correct torque of 5.0 N m (44 lb in).
Check the harness for abrasions and for pinch points from the battery to the ECM.Results:
OK - Proceed to Test Step 2.
Not OK - Repair: Repair the connectors or the harness and/or replace the connectors or the harness. Ensure that all of the seals are correctly in place and ensure that the connectors are completely coupled.Use the electronic service tool in order to clear all logged diagnostic codes and then verify that the repair eliminates the fault.STOP
- If the fault has not been eliminated proceed to Test Step 2.Test Step 2. Check the Status of the Mode Selector Switch
Turn