Inspection Procedure

Check voltage between terminals Tc and E ₁ of DLC1 or Tc and CG of DLC3.
PREPARATION:

Turn the ignition switch ON.

CHECK:

Measure voltage between terminal Tc and E₁ of DLC1 or Tc and CG of DLC3.

Fig 1: Measuring Voltage At DLCs
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 of DLC1 or Tc and CG of DLC3 are connected, the ECU may be defective.
2. NG: Go to next step
Ignition switch OFF, and check for open and short circuit in harness and connector between ABS ECU and DLC1 or DLC3, DLC1 or DLC3 and body ground .
1. NG: Repair or replace harness or connector .
2. OK: Check and replace ABS ECU .