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Using OPEN DOOR Indicator Light

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.
  1. Using the Diagnosis Check Wire (SST 09843-18020), connect terminals Tc and E1 of the DLC1 located in the driver side of the engine compartment near the engine room junction block No. 3. See Fig 1. Turn the ignition switch ON. Read the DTC on the open door indicator light.
  2. As an example, the blinking patterns for codes; normal, 12, and 11 and 12. See Fig 2. Check for the problem using the DTC table. See DIAGNOSTIC TROUBLE CODE INDEX  table. After completing the check, turn the ignition switch off, and disconnect terminals Tc and E1.
Fig 1: Identifying DLC1 Terminals
G00184922Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Identifying OPEN DOOR Indicator Light Blinking Patterns
G00184923Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002