LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2021 >> WRX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 65 (Telematics System (Diagnostics)) >> General Description >> Inspection >> Basic Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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.
scientia non olet · About LEMON Manuals