Subaru Legacy BN/BS (2015-2019) Service Manual: 16

Subaru Legacy BN/BS (2015-2019) Service Manual / Cruise control system (diagnostics) / Diagnostic procedure with cancel code / 16

Detected when ignition switch is turned to OFF or malfunction related to the ignition switch occurs.

TROUBLE SYMPTOM:

Cruise control cannot be set.

WIRING DIAGRAM:

Cruise control system Cruise Control System > WIRING DIAGRAM

STEP	CHECK	YES	NO
1.CHECK IGNITION SWITCH CIRCUIT. 1) Turn the ignition switch to OFF. 2) Disconnect the ECM harness connector. 3) Turn the ignition switch to ON. 4) Measure the voltage between harness connector terminal and chassis ground. Connector & terminal (B134) No. A2 (+) — Chassis ground (−):	Is the voltage 10 V or more-	Check for poor contact of ECM connector.	• Check fuse No. 5 (in fuse & relay box). • Check the harness for open or short circuit between ignition switch and ECM.

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 ...

15

Detected when CANCEL switch is pressed or malfunction related to CRUISE switch occurs.TROUBLE SYMPTOM:• Cruise control cannot be set. (Cancelled immediately.)• Cruise control cannot be rel ...

Other materials:

Procedure
1. Check of the fuel amount↓2. Inspection of starter motor circuit Diagnostics for Engine Starting Failure > STARTER MOTOR CIRCUIT↓3. Inspection of ECM power supply and ground line Diagnostics for Engine Starting Failure > CHECK POWER SUPPLY AND GROUND LINE OF ENGINE CONTROL MODULE (ECM) ...