Inspection Procedure

WARNING: This page is about a different car, the 2002 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

Check horn. See HORN CIRCUIT .
1. NG: Replace the horn.
2. OK: Go to next step.
Check wire harness and connector between horn relay and body ECU, battery and horn relay . See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE .
1. NG: Repair or replace wire harness or connector.
2. OK: Go to next step.
Proceed to next circuit inspection shown on problem symptoms table . See PROBLEM SYMPTOMS TABLE .