Subaru Legacy BN/BS (2015-2019) Service Manual: 22

Subaru Legacy BN/BS (2015-2019) Service Manual / Cruise control system (diagnostics) / Diagnostic procedure with cancel code / 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.)

STEP	CHECK	YES	NO
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 ABS or VDC warning light continues to illuminate.	Does the warning light continue to illuminate-	Check the VDCCM. Basic Diagnostic Procedure	Diagnostic Procedure with Cancel Code > 22
2.CHECK DTC OF LAN COMMUNICATION CIRCUIT. Read the DTC of body integrated unit using Subaru Select Monitor. Read Diagnostic Trouble Code (DTC)	Is DTC displayed-	Perform inspection according to DTC.	Replace the ECM. Engine Control Module (ECM) Engine Control Module (ECM)

24

Malfunction in cruise control-related switch is detected.TROUBLE SYMPTOM:• Cruise control cannot be set. (Cancelled immediately.)• Cruise control cannot be released.Refer to DTC 11 for dia ...

21

Cruise control command switch malfunction is detected.TROUBLE SYMPTOM:• Cruise control cannot be set. (Cancelled immediately.)• Cruise control cannot be released.Refer to DTC 11 for diagno ...

Other materials:

Dtc b1827 short in side airbag lh (to ground)
DIAGNOSIS START CONDITION:Ignition voltage is 10 V to 16 V.DTC DETECTING CONDITION:GND short circuit failure (shorted to ground in main harness, shorted to ground in front seat side airbag LH, shorted to ground in airbag CM internal circuit)CAUTION:Before performing diagnosis, refer to “CAUTIO ...