Inspection Procedure

WARNING: This page is about a different car, the 2005 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

Check voltage between terminals Tc and E ¹ of DLC1 or Tc and CG of DLC3.
CHECK:
1. Turn the ignition switch ON.
2. Measure voltage between terminals Tc and E¹ of the DLC1 or Tc and CG of the DLC3.
  OK:
  
  Voltage: 10 to 14 V
  
  Fig 1: Measuring Voltage Between Terminals TC & E1 Of DLC1 Or TC & CG Of DLC3
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. OK: If ABS warning light does not blink even after Tc and E ¹ are connected, the ECU may be defective.
2. NG: Go to next step.
IG switch OFF, and check for open and short circuit in harness and connector between skid control ECU and DLC1 or DLC3, DLC1 or DLC3 and body ground (See HOW TO USE THE DIAGNOSTIC TABLE AND INSPECTION ).
1. NG: Repair or replace harness or connector.
2. OK: Check and replace skid control ECU.