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Basic Inspection

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.

Before performing the diagnosis, check the following items which may affect the problems relating to the telematics system.

  1. Check the battery. Ref. to STARTING/CHARGING SYSTEMS (H4DOTC)>BATTERY>INSPECTION
  2. Check the relay and fuse condition. Ref. to ENTERTAINMENT & MONITORING>RELAY AND FUSE>INSPECTION
  3. Check harness and connector. Also check grounding.
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