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.

Are other information codes recorded?
1. YES : Check applicable information code. See DIAGNOSTIC TROUBLE CODE CHART .
2. NO: Go to 2.
Check continuity of limiter resistance in system main relay.
Preparation : Remove the system main relay.

Check:
1. Apply battery voltage across terminals 1 and 3. See Fig 1.
2. Using an ohmmeter, check that there is continuity between terminals A and B.
  
  Fig 1: Locating Terminals & Testing System Main Relay
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
OK: Continuity.
1. NG: Replace the system main relay.
2. OK: Check continuity and replace power cable.