LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2004 >> RAV4 Base, AWD, Standard >> Repair and Diagnosis >> Brakes >> Traction Control >> Abs With EBD - Diagnostics >> Problem Symptoms Table

Problem Symptoms Table

If a normal code is displayed during the DTC check although the problem still occurs, check the circuits for each problem symptom in the order given in table below and proceed to the relevant troubleshooting information.

NOTE: When replacing ABS ECU, sensor or etc., turn the ignition switch OFF.
PROBLEM SYMPTOMS TABLE - ANTI-LOCK BRAKE SYSTEM WITH EBD

Symptom Suspected Area
ABS does not operate Only when 1 to 4 are all normal but problem still occurs, replace ABS ECU
  1. Check DTC reconfirming that normal code is output
  2. IG power source circuit
  3. Speed sensor circuit
  4. Check ABS actuator with hand-held tester If abnormal, check hydraulic circuit for leak
ABS does not operate efficiently Only when 1 to 4 are all normal but problem still occurs, replace ABS ECU
  1. Check DTC reconfirming that normal code is output
  2. Speed sensor circuit
  3. Stop light switch circuit
  4. Check ABS actuator with hand-held tester If abnormal, check hydraulic circuit for leak
ABS warning light is abnormal
  1. ABS warning light circuit
  2. ABS ECU
Brake warning light is abnormal
  1. Brake warning light circuit
  2. ABS ECU
DTC check Only when 1 and 2 are all normal and problem still occurs, replace ABS ECU
  1. ABS warning light circuit
  2. Tc terminal circuit
Speed sensor signal check is impossible
  1. Ts terminal circuit
  2. ABS ECU
scientia non olet · About LEMON Manuals