RING-WEAR 3438050 - Caterpillar

Troubleshooting
Note: In the following section, when components are referenced with a number, refer to Illustration 1.Check for any active service codes within the power train electronic control . Solve any active service codes within the power train electronic control . Use the built-in electrical diagnostics that are performed with the Caterpillar Monitoring System and with the electronic control module.Note: This machine is equipped with a power train electronic control. The power train electronic control has a built-in diagnostic system that detects faults in the electronic system of the power train.
Table 1
Troubleshooting Information for the Calibration of the Impeller Clutch    
Error Message     Probable Causes     Possible Corrective Actions    
Torque converter output speed is low.     Engine speed is too low.     Use the throttle lock to set the engine speed above the following minimum value:
1650 rpm    
Speed sensor problem Check for fault codes on the torque converter output speed sensor.
Check the sensor connector.
Adjust or replace the sensor, if necessary.    
Impeller clutch pressure is too low. Check valve function.
Check the connector.
Check ECM output.
Check the converter for excessive leakage in the circuit for the impeller clutch.    
Damaged impeller clutch Check transmission screens.
Inspect the impeller clutch.    
Excessive drag in transmission Check transmission screens.
Inspect the impeller clutch.    
Torque converter output speed is high.     Speed sensor problem     Check for fault codes on the torque converter output speed sensor.
Check the sensor connector.
Adjust or replace the sensor, if necessary.    
Engine speed is too high. Adjust the engine high idle speed.    
The speed change of the torque converter is in the low range.     Speed sensor problem     Check for fault codes on the torque converter output speed sensor
Check the sensor connector.
Adjust or replace the sensor, if necessary.    
Impeller clutch pressure is too low. Check valve