48
ABS 5.3 SYSTEM TEST
Adapter repairing instructions
The following pages shows on troubleshooting with repair instructions
for ABS5.3 system with attached ECU.
Remarks:
Repairing of hydraulic modulator or AECU are not allowed.
Valve relay and motor relay is not changing. The components that
included in the AECU.
Following Components for changing:
- Hydraulic modulator with attached ECU
- Wheel speed sensors
- Warning lamps (ABS, EBD)
- Brake light switch
- Fuse 10A, path: ignition
- Fuses 60A path: power supply
- lines from wiring harness, connectors, when repair is possible
Attention: Before repairing the system, make sure that power supply is
switched off.
Before changing components, check connectors, wiring,
resistance and so on.




