Mitsubishi Grandis. Manual — part 951
TROUBLESHOOTING
TRACTION CONTROL/ACTIVE STABILITY CONTROL SYSTEM
35C-129
INSPECTION PROCEDURE 3: TCL/ASC-ECU power supply supply system
<LH drive vehicles>
IGNITION
SWITCH (IG1)
TCL/ASC-ECU
POWER
SOURCE
Wire colour code
B : Black LG : Light green
G : Green L : Blue
W : White Y : Yellow
SB : Sky blue BR : Brown
O : Orange GR : Gray
R : Red P : Pink V : Violet
TCL/ASC-ECU Power Supply and Ground Circuit
TROUBLESHOOTING
TRACTION CONTROL/ACTIVE STABILITY CONTROL SYSTEM
35C-130
<RH drive vehicles>
OPERATION
• The TCL/ASC-ECU is energized by the ignition
switch (IG1) through multi-purpose fuse 2 and the
TCL/ASC-ECU terminal 16.
• If the power supply to the TCL/ASC-ECU has
failed, MUT-III will not be able to communicate
with it.
PROBABLE CAUSES
• Damaged wiring harness or connector
• Defective battery
• Charging system failed
• Malfunction of the hydraulic unit (integrated with
TCL/ASC-ECU)
IGNITION
SWITCH (IG1)
TCL/ASC-ECU
POWER
SOURCE
Wire colour code
B : Black LG : Light green
G : Green L : Blue
W : White Y : Yellow
SB : Sky blue BR : Brown
O : Orange GR : Gray
R : Red P : Pink V : Violet
TCL/ASC-ECU Power Supply and Ground Circuit
TROUBLESHOOTING
TRACTION CONTROL/ACTIVE STABILITY CONTROL SYSTEM
35C-131
DIAGNOSIS
STEP 1. Voltage measurement at TCL/ASC-ECU
connector A-04.
(1) Disconnect the connector A-04, and connect
special tool ABS Check Harness (MB991997) to
the wiring harness-side connector.
NOTE: Do not connect special tool ABS Check
Harness (MB991997) to the TCL/ASC-ECU.
(2) Turn the ignition switch to the "ON" position.
(3) Measure the voltage between terminal 4 and
earth.
OK: System voltage
Q: Is the check result normal?
YES :
Go to Step 3.
NO :
Go to Step 2.
AC312620AP
Oil reservoir
Connector: A-04
TCL/ASC-ECU
MB991997
Check connector
A-04 Harness connector
A-04
Hydraulic unit
(with built-in TCL/ASC-ECU)
TROUBLESHOOTING
TRACTION CONTROL/ACTIVE STABILITY CONTROL SYSTEM
35C-132
STEP 2. Check the following connectors.
•
TCL/ASC-ECU connector A-04
•
Junction block connectors C-202 and C-203
AC312621
Oil reservoir
Connector: A-04
AB
A-04
Hydraulic unit
(with built-in TCL/ASC-ECU)
A-04 Harness connector
(harness side)
AC313139
AB
C-203
Connectors: C-202, C-203
<L.H.drive vehicles>
C-202
C-202
C-203
1
3 4
2
6
5
6
1
7
2
9
8
10
3
5
12
11
4
1314
Junction block
(Front view)
AC313140
AB
C-203
Connectors: C-202, C-203
<R.H.drive vehicles>
C-202
C-202
C-203
1
3 4
2
6
5
6
1
7
2
9
8
10
3
5
12
11
4
1314
Junction block
(Front view)
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст