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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 >> DTC C1237/37 Wrong Number Of Teeth At 1 Of 4 Wheels >> Inspection Procedure

Inspection Procedure

  1. Check tire size  .
    1. OK: Go to next step  .
    2. NG: Replace tires so that all 4 tires are the same in size  .
  2. Check sensor rotor. See  DTC C0200/31-C1331/36, DTC C1332/38 & C1333/39 Speed Sensor Circuit   .
    1. OK: Go to next step  .
    2. NG: Replace speed sensor rotor  .
  3. Check speed sensor. See  DTC C0200/31-C1331/36, DTC C1332/38 & C1333/39 Speed Sensor Circuit   .
    1. OK: Go to next step  .
    2. NG: Replace speed sensor  .
  4. Check for open and short circuit in harness and connector between front speed sensors, rear speed sensors and Skid Control ECU. See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  .
    1. OK: Check and replace Skid Control ECU  .
    2. NG: Repair or replace harness and connector  .
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