CRUISE CONTROL SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)

DTC 22

Malfunction related to vehicle speed sensor is detected.

DIAGNOSIS:

Open or shorted circuit in vehicle speed sensor system.

TROUBLE SYMPTOM:

Cruise control cannot be set. (Cancelled immediately.)

STEPCHECKYESNO

1.CHECK ABS OR VDC WARNING LIGHT.

1) Turn the ignition switch to ON.

2) After the initial operation of combination meter is completed, check if the ABS or VDC warning light continues to illuminate.

Does the warning light continue to illuminate?

Check ABSCM or VDCCM.

2.CHECK DTC FOR LAN COMMUNICATION.

Using Subaru Select Monitor, read the DTC of body integrated unit.

Is a DTC of low-speed CAN displayed?

Check the LAN communication circuit.

Replace the ECM.