Mitsubishi Galant 9G. Manual — part 444
TRACTION CONTROL SYSTEM (TCL) DIAGNOSIS
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TRACTION CONTROL SYSTEM (TCL)
13D-44
CONNECTOR TERMINAL NO.
SIGNAL
NORMAL CONDITION
2
− body ground
Ground
Less than 2 ohms
9
− 10
Front-right wheel speed sensor
1.24
− 1.64 kΩ
11
− 17
Rear-right wheel speed sensor
1.24
− 1.64 kΩ
16
− 26
Front-left wheel speed sensor
1.24
− 1.64 kΩ
18
− body ground
Ground
Less than 2 ohms
27
− 28
Rear-left wheel speed sensor
1.24
− 1.64 kΩ
SPECIAL TOOLS
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TRACTION CONTROL SYSTEM (TCL)
13D-45
SPECIAL TOOLS
M1136000600024
TOOL
TOOL NUMBER AND NAME SUPERSESSION
APPLICATION
MB991958
A: MB991824
B: MB991827
C: MB991910
D: MB991911
E: MB991914
F: MB991825
G: MB991826
MUT-III sub assembly
A: Vehicle communication
interface (V.C.I.)
B: MUT-III USB cable
C: MUT-III main harness A
(Vehicles with CAN
communication system)
D: MUT-III main harness B
(Vehicles without CAN
communication system)
E: MUT-III main harness C
(for Daimler Chrysler
models only)
F: MUT-III measurement
adapter
G: MUT-III trigger harness
MB991824-KIT
NOTE: G: MB991826
MUT-III trigger
harness is not
necessary when
pushing V.C.I. ENTER
key.
Checking diagnostic
trouble codes
CAUTION
For vehicles with CAN
communication, use
MUT-III main harness A
to send simulated
vehicle speed. If you
connect MUT-III main
harness B instead, the
CAN communication
does not function
correctly.
MB991970
ABS check harness
ABS/TCL-ECU terminal
voltage measurement
MB991910
MB991826
MB991958
MB991911
MB991914
MB991824
MB991827
MB991825
DO NOT USE
A
B
C
D
E
F
G
DO NOT USE
MB991970
ON-VEHICLE SERVICE
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TRACTION CONTROL SYSTEM (TCL)
13D-46
ON-VEHICLE SERVICE
TCL INDICATOR LIGHT CHECK
M1136000900058
1. Check that the "TCL OFF" indicator light and the TCL work
indicator light illuminate for three seconds when the ignition
switch is turned to the "ON" position.
2. Check that the "TCL OFF" indicator light illuminates and
goes off in cycles each time the TCL switch is pushed after
starting the engine.
3. Check that the "TCL OFF" indicator light and the TCL work
indicator light do not illuminate, when driving at 30km/h
(37.5 mph) for more than 2 seconds.
4. If defective, repair it. (Refer to
, TCL diagnosis
−
Symptom Procedures
− Inspection Procedure 1, 2, 3 and 4).
MB991223
A: MB991219
B: MB991220
C: MB991221
D: MB991222
Harness set
A: Inspection harness
B: LED harness
C: LED harness adapter
D: Probe
General service tools
Checking the continuity
and measuring the
voltage at the harness
connector
TOOL
TOOL NUMBER AND NAME SUPERSESSION
APPLICATION
MB991223
A
D
C
B
AD
AC305706
"TCL OFF"
INDICATOR
LIGHT
TCL WORK
INDICATOR
LIGHT
AB
AC305707
TCL SWITCH
AB
ON-VEHICLE SERVICE
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TRACTION CONTROL SYSTEM (TCL)
13D-47
TCL OPERATION CHECK
M1136001100055
Required Special Tools:
• MB991958: Scan Tool (MUT-III Sub Assembly)
• MB991824: V.C.I.
• MB991827: MUT-III USB Cable
• MB991910: MUT-III Main Harness A
CAUTION
To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
1. Connect scan tool MB991958 to the data link connector.
(Refer to
2. Turn the ignition switch to the "ON" position.
CAUTION
The engine speed increases after the actuator test
because the actuator test continues for only three sec-
onds. Therefore, release the accelerator pedal immedi-
ately.
3. Use scan tool MB991958 to check the actuator test. (Refer
).
• Item 09: Engine TCL Drive.
• When the accelerator pedal is depressed at the same
time that the button for actuator test item 09 displayed
on scan tool MB991958 is pressed, the system prevents
the engine speed from rising for three seconds.
4. Turn the ignition switch to the "LOCK" (OFF) position.
5. Disconnect scan tool MB991958.
6. If defective, repair it. (Refer to
, TCL diagnosis
−
Symptom Procedures
− Inspection Procedure 6).
TCL SWITCH CHECK
M1136001700024
1. Remove the TCL switch. (Refer to
2. Measure the resistance between terminal 1 and terminal 2
when the TCL switch is pressed or released. If the values
measured at the time correspond to those in the table below,
the resistance values are correct.
WHEEL SPEED SENSOR CHECK
M1136001300026
Refer to GROUP 35B, On-vehicle Service
.
AC305412
AB
MB991910
DATA LINK
CONNECTOR
MB991824
MB991827
SWITCH
POSITION
TESTER
CONNECTION
SPECIFIED
CONDITION
Pressed
1-2
Less than 2
ohms
Released
1-2
Open circuit
AC307194AB
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