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
LocationOperation
NOTE
After closing, the Subaru Ascent rear gate remains unlocked by default.
Always ensure that the rear gate is properly locked before leaving the vehicle
to maintain security.
If the Subaru Ascent rear gate does not respond to the operations described
below, the system will emit thr ...
Dtc u0401 invalid data received from ecm/pcm a
KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0401 INVALID DATA RECEIVED FROM ECM/PCM “A”Detected when there is malfunction in CAN data from the engine control module (ECM).NOTE:Perform the diagnosis for LAN sy ...
Remote keyless entry system
CAUTION
Protect the Subaru Ascent remote transmitter from strong impacts such
as dropping or throwing, as this may damage internal electronic components and
reduce system reliability.
Do not disassemble the Subaru Ascent remote transmitter unless it is
necessary for battery replacemen ...