HOSE AS 4892266 - Caterpillar

Probable Causes
Operation of the Cooling FanRecommended Actions
Table 1
Troubleshooting Test Steps Values Results
1. Check the Operation of the Cooling Fan
A. Connect Cat® Electronic Technician (ET) to the service tool connector.
B. Use Cat ET to check the value of the fan control parameters.
Cooling Fan Parameters
Result: The parameter is not programmed to allow the fan to operate.
Repair: The ECM is not controlling the cooling fan. Refer to the troubleshooting information for the chassis to troubleshoot the cooling fan.
Result: The parameter is programmed to allow the fan to operate.
Repair: The ECM is controlling the cooling fan. Refer to Troubleshooting, "Cooling Fan Control - Test" to troubleshoot the cooling fan.
If the procedure did not correct the issue, contact your Cat dealer Technical Communicator (TC). For further assistance, your TC can confer with the Dealer Solutions Network (DSN).