Rear–Wheel Anti–Lock Brake System Circuit; System Circuit Inspection - Toyota Hilux Surf 1993 Owner's Manual

BR–100
Tester Connection
BRAKE SYSTEM
Rear–Wheel Anti–Lock Brake System
Circuit
REMOVAL OF REAR–WHEEL ANTI–LOCK BRAKE
SYSTEM ECU
1. REMOVE GLOVE BOX ASSEMBLY
2. REMOVE ECU
(a) Remove the two screws and a nut.
(b) Pull out the ECU.
INSPECTION OF SYSTEM CIRCUIT
1. INSPECT SYSTEM CIRCUIT WITH CONNECTOR CON–
Condition
Ignition switch ON
Ignition switch ON and "REAR ANTILOCK"
warning light goes on
Ignition switch ON
Ignition switch ON and "REAR ANTILOCK"
warning light goes on
Ignition switch ON
Ignition switch ON and "REAR ANTILOCK"
warning light goes on
– Rear–Wheel Anti–Lock Brake System
Remove the four screws and a bolt, then remove the
glove box assembly and disconnect the radio speaker
connector.
NECTED
Using a voltmeter with high impedance (10 k
mum), measure the voltage at each terminal and body
ground.
N mini–
/
Voltage Trouble Part
Solenoid relay,
Actuator
Warning light
bulb