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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Abs With EBD & BA & TRAC & VSC System - Diagnostics >> Circuit Inspection >> Tc TERMINAL CIRCUIT >> Inspection Procedure

Inspection Procedure

  1. Check voltage between terminals Tc and E1 of DLC1 or Tc and CG of DLC3  .
    1. Turn the ignition switch ON.
    2. Measure voltage between terminals Tc and E1 of the DLC1 or Tc and CG of the DLC3.
      3. Fig 1: Testing Tc Circuit At DLC1 & DLC3
      G01081256Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Voltage: 10 - 14 V  .

    1. OK: If each warning light does not blink even after Tc and E1 or Tc and CG are connected, the ECU may be defective  .
    2. NG: Go to next step  .

  2. Check for open and short circuit in harness and connector between ECU and DLC1 or DLC3, DLC1 or DLC3 and body ground. See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  .
    1. OK: Check and replace Skid Control ECU  .
    2. NG: Repair or replace harness or connector  .
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