Diagnostic Procedure With ECU Cancel Code: 22
Malfunction related to vehicle speed sensor is detected.
Diagnosis:
Open or short circuit in the vehicle speed sensor system.
Trouble symptom:
Cruise control cannot be set. (Cancelled immediately.)
CAUTION:
Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to EYESIGHT (DIAGNOSTICS)>General Description>CAUTION .
- CHECK ABS OR VDC WARNING LIGHT
.
- Turn the ignition switch to ON.
- After the initial operation of the combination meter finished, check if the ABS or VDC warning light stays illuminated.
Does the warning light stay illuminated?
Yes : Check the VDCCM. Ref. to BRAKE CONTROL (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE .
No : Go to 2 .
- CHECK DTC OF LAN COMMUNICATION CIRCUIT
.
Read the DTC of [Body Control] using the Subaru Select Monitor. Ref. to BODY CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
Is DTC displayed?
Yes : Perform a check according to the displayed DTC.
No : Replace the ECM. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>ENGINE CONTROL MODULE (ECM) . Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>ENGINE CONTROL MODULE (ECM) .