PISTON GP-ROD& 1807354 - Caterpillar

Illustration 1 g00910242
Test Step 1. Check for Connector Damage.
Turn the circuit breaker for the engine to the OFF position.
Turn the keyswitch to the OFF position.
Thoroughly inspect the ECM connectors J1/P1 and J2/P2. Inspect all of the other connectors. Refer to the diagnostic functional test Troubleshooting, "Inspecting Electrical Connectors" for details.
Perform a 45 N (10 lb) pull test on each of the wires in the ECM connector that are associated with the circuit.
Check the ECM connector (allen head screw) for the proper torque of 6.0 N m (55 lb in).
Check the customer connector (allen head screw) for the proper torque of 2.25 0.25 N m (20 2 lb in).
Check the harness and the wiring for abrasion and for pinch points.Expected Result:The connectors and wiring should be free of the following problems: damage, corrosion, abrasion and incorrect attachment.Results:
OK - The connectors and wiring are okay. Proceed to test step 2.
Not OK - The connectors and/or wiring are not okay.Repair: Repair the connectors or wiring and/or replace the connectors or wiring. Stop.Test Step 2. Check the Right Brake Switch on the Caterpillar Electronic Technician (ET).
Install the Cat ET.
Turn the keyswitch to the ON position. The engine should be OFF.
Operate the right brake switch.
Observe the status of the right brake switch on the Cat ET.Expected Result:The right brake switch status should read "ON" when the right brake pedal is depressed. The right brake switch status should read "OFF" when the right brake pedal is released.Results:
OK - The right brake switch and all wiring is operating normally. Repair: If the problem is intermittent, perform the diagnostic functional test Troubleshooting, "Inspecting Electrical Connectors".