Anti-Lock Brake System Problem Symptoms Table

Anti-Lock Brake System -- Problem Symptoms Table


HINT:
  1. Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  2. Inspect the fuses and relays related to this system before inspecting the suspected areas below.
NOTICE:
When replacing the brake actuator assembly, sensor, etc., turn the ignition switch off.

Anti-lock Brake System
Symptom
Suspected Area
See page
ABS, BA and/or EBD does not operate
Check for DTCs again and make sure that normal system code is output.
LandCruiser RM000000XHV0KDX.html
IG power source circuit (low power supply voltage malfunction)
LandCruiser RM000000XW60J5X.html
IG power source circuit (high power supply voltage malfunction)
LandCruiser RM00000368W09PX.html
Front speed sensor circuit (comparison malfunction)
LandCruiser RM000000XI910GX.html
Front speed sensor circuit (open or short malfunction)
LandCruiser RM000000XI910HX.html
Front speed sensor circuit (output malfunction)
LandCruiser RM000000XIA0OWX.html
Rear speed sensor circuit (comparison malfunction)
LandCruiser RM00000369R08PX.html
Rear speed sensor circuit (open or short malfunction)
LandCruiser RM00000369308RX.html
Rear speed sensor circuit (output malfunction)
LandCruiser RM00000369S08VX.html
Check brake actuator assembly with the intelligent tester (check brake actuator assembly operation using Active Test function). If abnormal, check hydraulic circuit for leaks.
LandCruiser RM000002VQ703OX.html
If symptoms still occur even after above circuits in suspected area column have been inspected and proved to be normal, replace brake actuator assembly (skid control ECU)
LandCruiser RM0000034UX02TX.html
ABS, BA and/or EBD does not operate efficiently
Check for DTCs again and make sure that normal system code is output
LandCruiser RM000000XHV0KDX.html
Front speed sensor circuit (comparison malfunction)
LandCruiser RM000000XI910GX.html
Front speed sensor circuit (open or short malfunction)
LandCruiser RM000000XI910HX.html
Front speed sensor circuit (output malfunction)
LandCruiser RM000000XIA0OWX.html
Rear speed sensor circuit (comparison malfunction)
LandCruiser RM00000369R08PX.html
Rear speed sensor circuit (open or short malfunction)
LandCruiser RM00000369308RX.html
Rear speed sensor circuit (output malfunction)
LandCruiser RM00000369S08VX.html
Stop light switch circuit
LandCruiser RM000000XIE0VDX.html
Check brake actuator assembly with the intelligent tester (check brake actuator assembly operation using Active Test function). If abnormal, check hydraulic circuit for leaks.
LandCruiser RM000002VQ703OX.html
If symptoms still occur even after above circuits in suspected area column have been inspected and proved to be normal, replace brake actuator assembly (skid control ECU)
LandCruiser RM0000034UX02TX.html
ABS warning light abnormal (Remains on)
ABS warning light circuit
LandCruiser RM000000XIH0KEX.html
IG power source circuit (high power supply voltage malfunction)
LandCruiser RM00000368W09PX.html
Brake actuator assembly (skid control ECU)
LandCruiser RM0000034UX02TX.html
ABS warning light abnormal (Does not come on)
ABS warning light circuit
LandCruiser RM000000XIQ0K6X.html
Brake actuator assembly (skid control ECU)
LandCruiser RM0000034UX02TX.html
Brake warning light abnormal (Remains on)
Brake warning light circuit
LandCruiser RM000000YHG0KEX.html
IG power source circuit (high power supply voltage malfunction)
LandCruiser RM00000368W09PX.html
Brake actuator assembly (skid control ECU)
LandCruiser RM0000034UX02TX.html
Brake warning light abnormal (Does not come on)
Brake warning light circuit
LandCruiser RM000000YHH0K6X.html
Brake actuator assembly (skid control ECU)
LandCruiser RM0000034UX02TX.html
DTC check cannot be performed
Check for DTCs again and make sure that normal system code is output
LandCruiser RM000000XHV0KDX.html
TC and CG terminal circuit
LandCruiser RM000000XIU0S6X.html
IG power source circuit (high power supply voltage malfunction)
LandCruiser RM00000368W09PX.html
If symptoms still occur even after above circuits in suspected area column have been inspected and proved to be normal, replace brake actuator assembly (skid control ECU)
LandCruiser RM0000034UX02TX.html
Sensor check cannot be performed
TS and CG terminal circuit
LandCruiser RM000001DXV03QX.html
Brake actuator assembly (skid control ECU)
LandCruiser RM0000034UX02TX.html