D12198
A22
Ts
15
R–Y
14
4
D7
DLC3
Brake Actuator with ECU
CG
Ts
3A
16
IE
15 3A
W–B
J/B No. 3
W–B
A04550
1 2 3 4 5 6 7 8
9
1112 1314 1516
10
DLC3
Ts
CG
–
DIAGNOSTICS
ANTI–LOCK BRAKE SYSTEM
DI–583
845
Author:
Date:
2003 TOYOTA TACOMA (RM1002U)
Ts Terminal Circuit
CIRCUIT DESCRIPTION
The sensor check circuit detects abnormalities in the speed sensor signal which cannot be detected with
the DTC check.
Connecting terminals Ts and CG of the DLC3 in the engine compartment starts the check.
WIRING DIAGRAM
INSPECTION PROCEDURE
1
Check voltage between terminals Ts and CG of DLC3.
CHECK:
(a)
Turn the ignition switch ON.
(b) Measure voltage between terminals Ts and CG of DLC3.
OK:
Voltage: 10 – 14 V
OK
If ABS warning light does not blink even after Ts
and CG are connected, the ECU may be defec-
tive.
NG
DI19G–08
DI–584
–
DIAGNOSTICS
ANTI–LOCK BRAKE SYSTEM
846
Author:
Date:
2003 TOYOTA TACOMA (RM1002U)
2
Check for open and short in harness and connector between brake actuator and
DLC3, DLC3 and body ground (See page IN–28).
NG
Repair or replace harness or connector.
OK
Check and replace brake actuator ASSY.