YH4
GRAND
VITARA
1. Wheel speed sensor (Right-front)
2. Stop lamp switch
3. ABS control module
4. Wheel speed sensor (Right-rear)
5. Diagnosis connector
6. Data link connector
7. Wheel speed sensor (Left-rear)
8. “ABS” warning lamp
9. ABS pump motor relay
10. ABS fail-safe relay (Solenoid valve relay)
11. Lamp drive module
12. Wheel speed sensor (Left-front)
13. ABS hydraulic unit
14. G sensor (For 4WD model only)
15. 4WD switch (For 4WD model only)
16. ABS hydraulic unit/control module assembly
(with ABS pump motor & fail-safe relays)
17. “EBD” warning lamp (Brake warning lamp)
Wheel speed sensor (LR)
Wheel speed sensor (LF)
Wheel speed sensor (RF)
Wheel speed sensor (RR)
Stop lamp switch
G sensor (For 4WD model only)
Diag. switch terminal
Battery Voltage
4WD switch (For 4WD model only)
Pump motor relay
Pump motor
LF inlet solenoid
LF outlet solenoid
LR inlet solenoid
LR outlet solenoid
Rear inlet solenoid
Rear outlet solenoid
“ABS” warning lamp
Brake warning lamp
Data link connector
Fail-safe relay
Hydraulic unit
OUTPUT
INPUT
ABS control
module
ABS hydraulic unit/control
module assembly
PCM or ECM
Idle up
5E1-4 ANTILOCK BRAKE SYSTEM (ABS) (OPTIONAL)
SYSTEM SCHEMATIC