EyeSight > Switches and Harness
INSPECTION
1. PRE-COLLISION BRAKE OFF SWITCH AND LANE DEPARTURE WARNING OFF SWITCH
1. Measure the resistance between connector terminals.
Preparation tool:
Circuit tester

• Pre-collision brake OFF switch
Terminal No. | Inspection conditions | Standard |
10 — 8 | OFF | Approx. 1 k? |
ON | Less than 1 ? |
• Lane departure warning OFF switch
Terminal No. | Inspection conditions | Standard |
9 — 8 | OFF | Approx. 1 k? |
ON | Less than 1 ? |
2. Apply battery voltage between the connector terminals to check lighting condition of illumination inside the switch.
Terminal No. | Inspection conditions | Specification |
1 (+) — 2 (−) | Apply battery voltage. | Light ON |
3. Replace the stereo camera cover assembly if faulty is found in the inspection.
2. EyeSight STEERING SWITCH
1. Measure the resistance between connector terminals.
Preparation tool:
Circuit tester

Terminal No. | Inspection conditions | Standard | |
3 — 9 | CRUISE (MAIN) SET/− RES/+ | All OFF | Approx. 4,020 ? |
CRUISE (MAIN) | ON | Less than 1 ? | |
SET/− | ON | Approx. 250 ? | |
RES/+ | ON | Approx. 1,470 ? | |
4 — 9 | DISTANCE | OFF | 1 M? or more |
ON | Less than 1 ? | ||
2. Apply battery voltage between the connector terminals to check lighting condition of illumination inside the switch.
Terminal No. | Inspection conditions | Specification |
10 (+) — 11 (−) | Apply battery voltage. | Light ON |
3. Replace the EyeSight steering switch if it is found defective.
NoteVehicle Dynamics Control warning light/ Vehicle Dynamics Control operation indicator
light
Vehicle Dynamics Control warning light
CAUTION
In the Subaru Ascent, the Vehicle Dynamics Control (VDC) system relies on
the ABS through a shared electrical circuit. If the ABS system becomes inoperative
for any reason, the VDC system will also lose its ability to provide ABS-related
control ...
Dtc u0122 lost communication with vehicle dynamics control module
EyeSight (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULEDetected when CAN data from VDC is not transmitted to stereo camera.When lost communication with vehicle dynamics control and vehicle dynamics control m ...
Hill start assist system
Ensure that the Hill start assist system
operates properly under the following
circumstances.
1. Stop the vehicle on an uphill grade by
depressing the brake pedal (all models)
and clutch pedal (MT models only), with
the engine running.
2. Make sure that the vehicle does not
move backward ...