COMMUNICATION SYSTEM > Relay and Fuse
INSPECTION
1. CHECK FUSE
1. Remove the fuse and check visually.
2. If the fuse is blown out, replace the fuse.
2. CHECK RELAY
1. Check the resistance between relay terminals.
Terminal No. | Inspection conditions | Specification | Circuit |
1 — 2 | Always | 1 M? or more |

1 — 2
Apply battery voltage between 4 — 3 terminals.
Less than 1 ?
2. Replace the relay if the inspection result is not within the standard value.
Relay and fuse
LocationDtc b1901 open in front p/t rh
AIRBAG SYSTEM (DIAGNOSTICS) > Diagnostic Chart with Trouble CodeDTC B1901 OPEN IN FRONT P/T RHDiagnosis start condition:Ignition voltage is 10 V to 16 V.DTC detecting condition:• Seat belt pretensioner (RH) circuit is open.• Pretensioner (RH) is faulty.• Pretensioner harness (RH ...
System maintenance
NOTE
For models without "keyless access
with push-button start system":
In the event that the vehicle's battery is
replaced, discharged or disconnected,
it will be necessary to start the vehicle
a minimum of one time using the key
prior to activating the remote engine
start system. This is r ...
Washing
CAUTION
When washing your Subaru Ascent, be aware that the braking system may
become wet. This can temporarily increase stopping distance. To restore normal
braking performance, drive at a safe speed and gently apply the brakes to generate
heat and dry the components.
Avoid washing th ...