Inspection Procedure

Check voltage between terminals Tc and E ₁ of DLC2 or DLC1.
CHECK:
1. Turn the ignition switch ON.
2. Measure the voltage between terminals Tc and E₁ of the DLC2 or DLC1.
  
  Fig 1: Checking Voltage Of DLC2 Or DLC1
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
OK:
1. Voltage: 10-14 V
1. OK: If ABS warning light does not blink even after Tc and E ₁ are connected, ECU may be defective.
2. NG: Go To Next Step
Check for open and short circuit in harness and connector between ABS & TRAC ECU and DLC2 or DLC1, DLC2 or DLC1 and body ground . See SYSTEM WIRING DIAGRAMS .
1. NG: Repair or replace harness or connector.
2. OK: Check and replace ABS & TRAC ECU.