Abs Control (Solenoid) Relay Circuit - Toyota T100 1996 Service Manual

DI−332
CIRCUIT INSPECTION
DTC
CIRCUIT DESCRIPTION
This relay supplies power to each ABS solenoid. After the ignition switch is turned ON, if the initial check is
OK, the relay goes on.
DTC No.
Conditions 1 and 2 continue for 0.2 sec. or more:
1. ABS control (solenoid) relay terminal (SR) voltage:
11 Battery positive voltage
2. ABS control (solenoid) relay monitor terminal (AST)
voltage: 0V
Conditions 1 and 2 continue for 0.2 sec. or more:
1. ABS control (solenoid) relay terminal (SR) voltage: 0 V
12
2. ABS control (solenoid) relay monitor terminal (AST)
voltage: Battery positive voltage
Fail safe function:
If trouble in the ABS control (solenoid) relay circuit, the ECU cuts off current to the ABS control (solenoid)
relay and prohibits ABS control.
WIRING DIAGRAM
10 2
R/B
No.2
2
9
R−L
W
Battery
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS
11, 12

ABS Control (Solenoid) Relay Circuit

DTC Detecting Condition
10
W
W
EA1
5
W W
EA1
W−B
W−B
A4
ID
− ANTI−LOCK BRAKE SYSTEM
S ABS control (solenoid) relay
S Open or short in ABS control (solenoid) relay circuit
S ECU
S ABS control (solenoid) relay
S B+ short in ABS control (solenoid) relay circuit
S ECU
ABS Contorl Relay
1
A6
Motor
Relay
2
A5
A5
6
2 5
A5
A6
W−R
LG
2 4
A4
A4
1
ABS Actuator
Trouble Area
4
R−B
A16
A6
3
G−B
A16
A6
Solenoid
Relay 1
R−W
A5 A16
DLC1
ABS ECU
3
R−Y
A16
A4
R−L
A16
A4
5
DI103−03
ABS ECU
4
MR
15
R−
5
SR
11
AST
MT
8
F14589