Vehicle Stability Control System (For Hydraulic Brake Booster) Problem Symptoms Table

Vehicle Stability Control System (For Hydraulic Brake Booster) -- 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 master cylinder or sensor, turn the ignition switch off.

Vehicle Stability Control System
Symptom
Suspected Area
See page
ABS, BA and/or EBD does not operate
Check for DTCs again and make sure that no DTC is output
LandCruiser RM0000046KV016X.html
IG power source circuit
LandCruiser RM000001DXW034X.html
Front speed sensor circuit
LandCruiser RM000000XI910JX.html
Rear speed sensor circuit
LandCruiser RM00000369308SX.html
Master cylinder pressure sensor (check master cylinder pressure sensor by performing test mode inspection)
LandCruiser RM00000452K011X.html
Check hydraulic brake booster with intelligent tester. If abnormal, check hydraulic circuit for leakage. (for LHD)
LandCruiser RM00000171W034X.html
Check hydraulic brake booster with intelligent tester. If abnormal, check hydraulic circuit for leakage. (for RHD)
LandCruiser RM00000171W035X.html
If symptoms still occur even after above circuits in suspected areas are inspected and proved to be normal, replace master cylinder solenoid (for LHD)
LandCruiser RM00000171U02DX.html
If symptoms still occur even after above circuits in suspected areas are inspected and proved to be normal, replace master cylinder solenoid (for RHD)
LandCruiser RM00000171U02EX.html
ABS, BA and/or EBD does not operate efficiently
Check for DTCs again and make sure that no DTC is output
LandCruiser RM0000046KV016X.html
Front speed sensor circuit
LandCruiser RM000000XI910JX.html
Rear speed sensor circuit
LandCruiser RM00000369308SX.html
Stop light switch circuit
LandCruiser RM000000XIE0VFX.html
Master cylinder pressure sensor (check master cylinder pressure sensor by performing test mode inspection)
LandCruiser RM00000452K011X.html
Check hydraulic brake booster with intelligent tester. If abnormal, check hydraulic circuit for leakage. (for LHD)
LandCruiser RM00000171W034X.html
Check hydraulic brake booster with intelligent tester. If abnormal, check hydraulic circuit for leakage. (for RHD)
LandCruiser RM00000171W035X.html
If symptoms still occur even after above circuits in suspected areas are inspected and proved to be normal, replace master cylinder solenoid (for LHD)
LandCruiser RM00000171U02DX.html
If symptoms still occur even after above circuits in suspected areas are inspected and proved to be normal, replace master cylinder solenoid (for RHD)
LandCruiser RM00000171U02EX.html
VSC and/or TRC does not operate
Check for DTCs again and make sure that no DTC is output
LandCruiser RM0000046KV016X.html
IG power source circuit
LandCruiser RM000001DXW034X.html
Front speed sensor circuit
LandCruiser RM000000XI910JX.html
Rear speed sensor circuit
LandCruiser RM00000369308SX.html
Yaw rate and acceleration sensor circuit
LandCruiser RM000001EA302PX.html
Steering angle sensor circuit
LandCruiser RM000000XIM0Z4X.html
If symptoms still occur even after above circuits in suspected areas are inspected and proved to be normal, replace master cylinder solenoid (for LHD)
LandCruiser RM00000171U02DX.html
If symptoms still occur even after above circuits in suspected areas are inspected and proved to be normal, replace master cylinder solenoid (for RHD)
LandCruiser RM00000171U02EX.html
Sensor and switch signal check cannot be performed
TS and CG terminal circuit
LandCruiser RM000001DXV03RX.html
Master cylinder solenoid (skid control ECU) (for LHD)
LandCruiser RM00000171U02DX.html
Master cylinder solenoid (skid control ECU) (for RHD)
LandCruiser RM00000171U02EX.html
DTC check cannot be performed
Check for DTCs again and make sure that no DTC is output
LandCruiser RM0000046KV016X.html
TC and CG terminal circuit
LandCruiser RM000001DXU03AX.html
IG power source circuit (high power supply voltage malfunction)
LandCruiser RM00000368W09QX.html
If the symptoms still occur even after the above circuits in suspected areas are inspected and proved to be normal, replace the master cylinder solenoid (for LHD)
LandCruiser RM00000171U02DX.html
If the symptoms still occur even after the above circuits in suspected areas are inspected and proved to be normal, replace the master cylinder solenoid (for RHD)
LandCruiser RM00000171U02EX.html
ABS warning light abnormal (Remains on)
ABS warning light circuit
LandCruiser RM00000451O01IX.html
IG power source circuit (high power supply voltage malfunction)
LandCruiser RM00000368W09QX.html
Master cylinder solenoid (skid control ECU) (for LHD)
LandCruiser RM00000171U02DX.html
Master cylinder solenoid (skid control ECU) (for RHD)
LandCruiser RM00000171U02EX.html
ABS warning light abnormal (Does not come on)
ABS warning light circuit
LandCruiser RM00000451P01IX.html
Master cylinder solenoid (skid control ECU) (for LHD)
LandCruiser RM00000171U02DX.html
Master cylinder solenoid (skid control ECU) (for RHD)
LandCruiser RM00000171U02EX.html
Brake warning light abnormal (Remains on)
Brake warning light circuit
LandCruiser RM00000451Q01KX.html
IG power source circuit (high power supply voltage malfunction)
LandCruiser RM00000368W09QX.html
Master cylinder solenoid (skid control ECU) (for LHD)
LandCruiser RM00000171U02DX.html
Master cylinder solenoid (skid control ECU) (for RHD)
LandCruiser RM00000171U02EX.html
Brake warning light abnormal (Does not come on)
Brake warning light circuit
LandCruiser RM00000451R01KX.html
Master cylinder solenoid (skid control ECU) (for LHD)
LandCruiser RM00000171U02DX.html
Master cylinder solenoid (skid control ECU) (for RHD)
LandCruiser RM00000171U02EX.html
Slip indicator light abnormal (Remains on)
Slip indicator light circuit
LandCruiser RM00000451S01HX.html
IG power source circuit (high power supply voltage malfunction)
LandCruiser RM00000368W09QX.html
Master cylinder solenoid (skid control ECU) (for LHD)
LandCruiser RM00000171U02DX.html
Master cylinder solenoid (skid control ECU) (for RHD)
LandCruiser RM00000171U02EX.html
Slip indicator light abnormal (Does not come on)
Slip indicator light circuit
LandCruiser RM00000451T01GX.html
Master cylinder solenoid (skid control ECU) (for LHD)
LandCruiser RM00000171U02DX.html
Master cylinder solenoid (skid control ECU) (for RHD)
LandCruiser RM00000171U02EX.html
VSC OFF indicator light abnormal (Remains on)
VSC OFF indicator light circuit
LandCruiser RM00000451U01RX.html
Master cylinder solenoid (skid control ECU) (for LHD)
LandCruiser RM00000171U02DX.html
Master cylinder solenoid (skid control ECU) (for RHD)
LandCruiser RM00000171U02EX.html
VSC OFF indicator light abnormal (Does not come on)
VSC OFF indicator light circuit
LandCruiser RM00000451U01RX.html
Master cylinder solenoid (skid control ECU) (for LHD)
LandCruiser RM00000171U02DX.html
Master cylinder solenoid (skid control ECU) (for RHD)
LandCruiser RM00000171U02EX.html
Skid control buzzer abnormal*
Skid control buzzer circuit
LandCruiser RM000001DXP031X.html
Buzzer abnormal
VSC buzzer circuit
LandCruiser RM000000XIS0DMX.html
TRC OFF indicator abnormal (Remains on)
TRC OFF indicator light circuit
LandCruiser RM000004522022X.html
Master cylinder solenoid (skid control ECU) (for LHD)
LandCruiser RM00000171U02DX.html
Master cylinder solenoid (skid control ECU) (for RHD)
LandCruiser RM00000171U02EX.html
TRC OFF indicator abnormal (Does not come on)
TRC OFF indicator light circuit
LandCruiser RM000004523021X.html
Master cylinder solenoid (skid control ECU) (for LHD)
LandCruiser RM00000171U02DX.html
Master cylinder solenoid (skid control ECU) (for RHD)
LandCruiser RM00000171U02EX.html
Crawl indicator light abnormal (Remains on)
Crawl indicator light circuit
LandCruiser RM000004524011X.html
Master cylinder solenoid (skid control ECU) (for LHD)
LandCruiser RM00000171U02DX.html
Master cylinder solenoid (skid control ECU) (for RHD)
LandCruiser RM00000171U02EX.html
Crawl indicator light abnormal (Does not come on)
Crawl indicator light circuit
LandCruiser RM000004525011X.html
Master cylinder solenoid (skid control ECU) (for LHD)
LandCruiser RM00000171U02DX.html
Master cylinder solenoid (skid control ECU) (for RHD)
LandCruiser RM00000171U02EX.html
Multi-terrain select indicator light abnormal (Remains on)
Multi-terrain select indicator light circuit
LandCruiser RM0000045Z7019X.html
Multi-terrain select indicator light abnormal (Does not come on)
Multi-terrain select indicator light circuit
LandCruiser RM0000045Z8019X.html
Downhill assist control indicator light abnormal (Remains on)
Downhill assist control indicator light circuit
LandCruiser RM00000451W013X.html
Master cylinder solenoid (skid control ECU) (for LHD)
LandCruiser RM00000171U02DX.html
Master cylinder solenoid (skid control ECU) (for RHD)
LandCruiser RM00000171U02EX.html
Downhill assist control indicator light abnormal (Does not come on)
Downhill assist control indicator light circuit
LandCruiser RM00000451X013X.html
Master cylinder solenoid (skid control ECU) (for LHD)
LandCruiser RM00000171U02DX.html
Master cylinder solenoid (skid control ECU) (for RHD)
LandCruiser RM00000171U02EX.html
  1. *: w/ Dynamic Radar Cruise Control System