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Home >> Toyota >> 2004 >> Matrix Base, FWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 160 (Body Control Systems) >> Circuit Tests >> Taillight Relay Circuit >> Circuit Description
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Circuit Description

WARNING: This page is about a different car, the 2003 Lexus GS 430, 2003 Lexus GS 300, 2002 Lexus GS 430, and 2002 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.

The taillight relay will be ON by operating the taillight switch. The transistor which activates the taillight relay has 2 types:

  1. One activated by the taillight switch for fail safe operation.
  2. Another activated by the body ECU No. 2.