Page 146 - Workshop Manual - Tunland (2017)

04-8 DIAGNOSTICS - ANTI-LOCK BRAKING SYSTEM (ABS)

DEFECT PHENOMENON FORM

CAUTION

• If defects code fails to appear when checking DTC, and the components of the
system don’t work normally, check the circuit in line with the defect
phenomenon listed in the following form.
04
• While replacing ABS control module, sensor and actuator, the ignition switch
shall be turned to OFF position, and the negative cable of battery shall be
disconnected.
• Check the table below to find the cause of the problem.The numbers rank the
possibility of the causes. Check each part in this order and replace the part if
necessary.

Defect phenomenon Trouble location Reference

1. Confirm that DTC outputs Chapter 35. Brake – master
normal code of system braking pump, overhaul

2. Braking pipeline leakage, Chapter 35. Brake - front disc
ABS system doesn’t work
damage, distortion etc. braking, overhaul

3. ABS control module Chapter 35. Brake - rear disc
assembly braking, overhaul

1. Confirm that DTC outputs Chapter 35. Brake– master
normal code of system braking pump, overhaul
ABS system can’t work 2. Braking pipeline leakage, Chapter 35. Brake - front disc
efficiently damage, distortion etc. braking, overhaul

3. ABS control module Chapter 35. Brake - rear disc
assembly braking, overhaul
Chapter 04 Diagnosis - ABS,
1. ABS indicating lamp circuit ABS indicating lamp is always
ABS indicating lamp is always on
on. Chapter 04 Diagnosis - ABS,
2. ABS control module
ABS indicating lamp is always
assembly
on

Chapter 04 Diagnosis - ABS,
1. ABS indicating lamp circuit ABS indicating lamp is always

ABS indicating lamp is not on
bright. Chapter 04 Diagnosis - ABS,
2. ABS control module
ABS indicating lamp is always
assembly
on