46 – Subaru 1983 – 1988 Carbureted models DTC

Subaru 1983 – 1988 Carbureted models DTC 46 – Radiator fan control (1983 to 1985)

DTC 46 meaning on Subaru 1983 – 1988 Carbureted models

DTC 46 on Subaru 1983 – 1988 Carbureted models refers to an issue with the radiator fan control system. This diagnostic trouble code indicates a malfunction in the control circuit for the radiator fan.

Subaru 1983 – 1988 Carbureted models DTC 46 symptoms

The symptoms of DTC 46 on Subaru 1983 – 1988 Carbureted models may include:

• Radiator fan not operating properly or not turning on
• Engine overheating under normal driving conditions
• Check engine light illuminated on the dashboard

Subaru 1983 – 1988 Carbureted models DTC 46 causes

The common causes of DTC 46 on Subaru 1983 – 1988 Carbureted models are:

• Defective radiator fan control module
• Faulty radiator fan relay
• Wiring issues in the radiator fan control circuit

Subaru 1983 – 1988 Carbureted models DTC 46 seriousness

DTC 46 on Subaru 1983 – 1988 Carbureted models should be addressed promptly to prevent engine overheating and potential damage. Ignoring this issue can lead to severe engine problems and possible breakdowns.

How to diagnose DTC 46 on Subaru 1983 – 1988 Carbureted models

To diagnose DTC 46 on Subaru 1983 – 1988 Carbureted models, you can:

1. Check the radiator fan operation by manually applying power to it
2. Inspect the radiator fan control module and relay for any visible damage
3. Use a diagnostic scanner to retrieve the trouble codes and further pinpoint the issue

How to fix DTC 46 on Subaru 1983 – 1988 Carbureted models

To fix DTC 46 on Subaru 1983 – 1988 Carbureted models, you may need to:

1. Replace the defective radiator fan control module
2. Replace the faulty radiator fan relay
3. Repair any damaged wiring in the radiator fan control circuit

How to erase DTC 46 on Subaru 1983 – 1988 Carbureted models

To erase DTC 46 on Subaru 1983 – 1988 Carbureted models, you can:

1. Use a diagnostic scanner to clear the trouble codes after fixing the underlying issue
2. Ensure the repairs have been completed successfully before clearing the code