Fault-Tracing Information

Fault-tracing

Checking the oil level
Check the oil level in the coupling (Active on Demand Coupling).

Other information
- Active On Demand Coupling Fluid Level Check, TF-80SC AWD Active on Demand Coupling Fluid Level Check





Was the fault found?

Yes - DONE

No - Checking the connectors and wiring

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Checking the connectors and wiring




- Ignition off.
Check the connector between oil pressure pump and Differential electronic module (DEM) for damaged pins, loose connection, or other defects that may affect functionality. Check the cable for voltage feed for short-circuiting to ground.
Remedy as necessary.

Other information
- Checking wiring and terminals Checking Wiring and Terminals
- Signal specification Pinout Values and Diagnostic Parameters
- Clutch four-wheel drive, B6304T4, TF-80SC AWD, B6324S5, TF-80SC AWD, B6324S4, TF-80SC AWD Clutch Four-Wheel Drive





Was the fault found?

Yes - DONE

No - Checking the oil pump

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Checking the oil pump
Since no malfunction was found, the symptom indicates that the malfunction is located in the oil pressure pump. Solve by changing the oil pressure pump.

Other information
- Active On-Demand Coupling Oil Pump, B6304T4, TF-80SC AWD, B6324S5, TF-80SC AWD, B6324S4, TF-80SC AWD Active On-Demand Coupling Oil Pump

Continue - DONE

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