Categories: Truck Repair

Scania Truck Cab Fan ATA 104 Prohibited Voltage Level Repair

This instruction show you guide on how to repair Cab fan ATA 104 prohibited voltage level trouble for Scania trucks.

 

Related Contents:

2024.07 Scania SDP3 V2.61.2 V2.40 Diagnostic Software Free Download

2023 2018 Scania Multi EPC Parts Catalogue Free Download

 

Cab fan

Error identification

Prohibited voltage level on the output signal to the cab fan.

 

Cause

Short circuit in the output signal to the cab fan.

 

Notes

The auxiliary heater is working correctly.

 

Action

Check the power supply. Measuring point 2 in the harness-to-harness connector from the auxiliary heater towards the vehicle cable harness and earth.

From battery voltage – 1 V.

Check harness-to-harness connectors and wiring.

If the fault code recurs, renew the control unit.

For more information about Scania truck,please refer to:Scania Trouble Repair.

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