Subaru H001SFJ800 Installation Manual page 23

Check A
Yes
Yes
Are connectors B and C on the wiring diagram (page 33) connected? Is the connector plugged in properly?
Yes
Disconnect and reconnect the connectors, and try to register again. Were you able to register?
No
Check the signal for RREG on harness checks on page 34. Was the problem solved?
No
Are connectors A and F on the Wiring Diagram (page 33) connected? Is the connector plugged in properly?
Yes
Using the harness checks on page 34, please check these signals +B, GND, IG. Was problem solved?
Yes
Register again.
Is the battery terminal connected?
Is the Ignition ON?
Press the "ENGINE START STOP" Button twice to turn ignition ON.
The SES ECU may have problem. Replace it, and register again.
If registration failed, replace the wiring harness and register again.
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No
Connect it
No
No
Connect them.
Yes
The registration was successful.
Yes
Try to register again.
No
Connect them.
No