Inspection Procedure

WARNING: This page is about a different car, the 2002 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.

Check voltage between terminals Ts and E1 of DLC1 or Ts and CG of DLC3.
Check:
1. Turn the ignition switch ON.
2. Measure the voltage between terminals Ts and E1 of DLC1 or Ts and CG of DLC3.
  
  Fig 1: Testing Voltage DLC1 Ts To E1 Or DLC3 Ts To CG Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
OK: Voltage: 10-14 V.

OK: If ABS warning light does not blink even after Ts and E1 or Ts and CG are connected, the ECU may be defective.

If NG , go to step 2.
Check for open and short circuit in harness and connector between ABS & BA & TRAC & VSC ECU and DLC1 or DLC3, DLC1 or DLC3 and body ground . See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE .
NG: Repair or replace harness or connector.

OK: Check and replace ABS & BA & TRAC & VSC ECU.