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Inspection Procedure

WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK PARKING BRAKE SWITCH CIRCUIT 
    1. NG: REPAIR OR REPLACE PARKING BRAKE SWITCH CIRCUIT 
    2. OK: Go to next step. 
  2. CHECK BRAKE FLUID LEVEL WARNING SWITCH CIRCUIT 
    1. NG: REPAIR OR REPLACE BRAKE FLUID LEVEL WARNING SWITCH CIRCUIT 
    2. OK: Go to next step. 
  3. RECONFIRM DTC (See  PRE-CHECK   ) 
    Fig 1: Normal & Malfunction Code Specifications Chart
    G01438823Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. B: REPAIR CIRCUIT INDICATED BY OUTPUT CODE 
    2. A: Go to next step. 
  4. INSPECT COMBINATION METER ASSY (BRAKE WARNING LIGHT CIRCUIT) 
    1. NG: REPAIR OR REPLACE COMBINATION METER ASSY 
    2. OK: Go to next step. 
  5. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - COMBINATION METER) (See  ELECTRONIC CIRCUIT INSPECTION PROCEDURE  ) 
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
    2. OK: CHECK AND REPLACE BRAKE ACTUATOR ASSY 
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