KIT-PUMP SUPPORT 1905226 - Caterpillar

Table 7
Neutral Switch Input Status Table    
Condition of Switch Circuit    Switch Status    Circuit    
Terminal 62 is open.     OFF     Open    
Terminal 62 connected to +battery.     ON     Closed    
Turn the ignition key switch to the OFF position.
Fabricate a jumper wire 100 mm (4 inch) long. Crimp a Deutsch pin to both ends of the wires.
Disconnect vehicle harness connector P1 from the ECM.
Connect a breakout T to ECM connector J1 and connect P1 to the breakout T.
Install the jumper into terminal 62 (neutral switch) of the breakout T. Connect the other end of the jumper to terminal 52 unswitched +battery of the breakout T.
Turn the ignition key switch to the ON position.
Connect ET to the cab data link connector.
Access the status screen.
While the neutral switch status is being monitored on the status screen slowly remove the jumper from terminal 52 unswitched +battery. Now, slowly insert the jumper into terminal 52 unswitched +battery.Refer to Table 7.Expected Result:The switch status changes per the information in Table 7.Results:
Yes - The ECM is functioning properly. Proceed to test step 6.
No - The ECM is not functioning properly.Repair: Perform the following repair:
Temporarily connect a test ECM.
Remove all jumpers and replace all connectors.
Recheck the system for Active diagnostic codes.
Repeat the test step.
If the problem is resolved with the test ECM, reconnect the suspect ECM.
If the problem returns with the suspect ECM, replace the ECM.
Verify that the repair eliminates the problem.STOPTest Step 6. Insert a Jumper at the Neutral Switch.
Table 8
Neutral Switch Input Status Table    
Condition of Switch Circuit    Switch Status    Circuit    
Neutral switch wires are disconnected.     OFF in gear     Open    
Neutral switch wires are connected.     ON in neutral     Shorted    
Turn the ignition key switch to the OFF position.
Ensure that ECM vehicle harness connector J1/P1 is connected.
Find the neutral switch in the vehicle.
Disconnect the wires from the neutral switch terminals.
Turn the ignition key switch to the ON position.
Connect ET to the cab data link connector.
Access the status screen.
While the switch status is being monitored on the status screen slowly connect the switch wires and slowly disconnect the switch wires.Refer to Table 8.Expected Result:The switch status changes per the information in Table 8.Results:
Yes - The switch is not functioning properly.Repair: Perform the following repair:Replace the faulty switch.Verify that the repair eliminates the problem.STOP
No - There is a problem in the harness between the switch and the ECM. Proceed to Test Step 7.Test Step 7. Insert a Jumper at the Bulkhead Connector.
Table 9
Neutral Switch Input Status Table    
Condition of Switch Circuit    Switch Status    Circuit    
Bulkhead wires are disconnected.     OFF in gear     Open    
Bulkhead wires are connected.     ON in neutral     Shorted    
Turn the ignition key switch to the OFF position.
Fabricate a jumper wire 100 mm (4 inch) long. Crimp a Deutsch pin to both ends of the wires.
Find the neutral switch terminal and the +battery connection in the engine side of