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.

CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND)
1. Measure the resistance according to the value(s) in Fig 2 .
  
  Fig 1: Identifying DLC3 (CG)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Standard
  
  Fig 2: Measuring Resistance Between D2 & Body Ground
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step.
CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - DLC3)
1. Disconnect the skid control ECU connector S1.
  
  Fig 3: Disconnecting Skid Control ECU (TS)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in Fig 4 .
  Standard
  
  Fig 4: Measuring Resistance Between Terminals TS
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step.
INSPECT DLC3 TERMINAL VOLTAGE (TS TERMINAL)
1. Turn the ignition switch to the ON position.
  
  Fig 5: Turning Ignition Switch To ON Position
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the voltage according to the value(s) in Fig 6 .
  Standard
  
  Fig 6: Measuring Voltage Between TS & CG
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPLACE BRAKE ACTUATOR ASSY (SEE REPLACEMENT )

NOTE: When replacing the Brake Actuator assy, perform zero point calibration (See PRE-CHECK ).

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (SEE PROBLEM SYMPTOMS TABLE )