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Terminal
Wire
Terminal sign
number
color
(Terminal name)
BLK/YEL
1
(Ignition 1)
GRN/RED
2
(Service check
BLU
4
(Steering ground)
PNK/BLU
5
BLK/WHT
6
(Fail-safe relay)
BLK
(Power motor
9
BRN/WHT
(Voltage power
10
GRN/WHT
11
NEP (Engine
BLU
12
speed pulse)
GRN/ORN
13
(Barometric)
BLK/ORN
(Traction control
14
BRN/BLK
15
(Logic ground 2)
STR-VCC (Steer-
WHT/BLU
16
ing power supply)
BLU/GRY
17
(Warning 2)
(Shield motor)
GRN
BRN
20
TCS CONTROL UNIT 20P CONNECTOR
Wire side of female terminals
Description
IG1
Detects ignition switch
IG1 signal
PARK
Detects parking brake
(Parking)
switch signal
Detects service check
SCS
connector signal
(Diagnostic trouble
signal)
code indication)
STR-GND
Ground for the steering
angle sensor
AT-SHIFT
Detects A/T shift posi-
(AT shift)
tion signal
FSR
Drives fail-safe relay
PMG
Power ground for the
TCS control valve
Ground)
actuator motor
VPM
Power source for the
TCS control valve
motor)
actuator motor
STOP
Detects brake pedal
(Stop)
position switch signal
Detects engine speed
signal
BARO
Detects barometric
sensor signal
TC-FC
TCS
Fl, Fuel cut
(torque down) signal
fuel cut)
LG2
Ground for the logic
circuit
Power source for the
steering angle sensor
Drives TCS indicator light
WARN2
(The indicator light comes
on by the self-bias)
SH-MOT
Shield for the TCS con-
trol valve actuator motor
MOT +
Drives TCS control
(Motor +)
valve actuator motor
MOT-
Drives TCS control
(Motor -)
valve actuator motor
Voltage
Conditions
Measurement
terminals
(Ignition Switch ON (II))
1-GND
Depress the parking
brake pedal.
Release the parking
brake pedal.
SCS service connector
connected.
3-GND
SCS service connector
disconnected.
4-GND
Shift the transmission
5-GND
to
position, then
start the engine.
6-GND
Start the engine.
9-GND
10-GND
Start the engine.
Brake pedal depressed.
11-GND
Brake pedal released.
12-GND
Engine idling
13-GND
TCS is functioning,
(maximum fuel cut)
14-GND
TCS is not functioning.
15-GND
16-GND
Indicator light ON
17-GND
Indicator light OFF
TCS is functioning.
19-20
TCS is not functioning.
TCS is functioning.
20-19
TCS is not functioning.
VB: Battery Voltage
Output
voltage
VB
Below 0.6 V
VB
0V
5 V
Below 0.3V
About 4 V
(5V
0V)
VB
1.5V
Below 0.3 V
0V
VB
VB
0V
About 6V
(12V
0V)
About 3 V
About 1.5V
About 4.5 V
(5 V, PWM)
Below 0.3V
About 5 V
About 2 V
VB
VB
0V
VB
0V
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Troubleshooting
