Mitsubishi Grandis. Manual — part 936
TROUBLESHOOTING
TRACTION CONTROL/ACTIVE STABILITY CONTROL SYSTEM
35C-69
STEP 7. Check the harness wire between
TCL/ASC-ECU connector A-04 terminal 31 and G
and yaw rate sensor connector C-117 terminal 5.
TROUBLESHOOTING
TRACTION CONTROL/ACTIVE STABILITY CONTROL SYSTEM
35C-70
NOTE: After inspecting the TCL/ASC-ECU
connector A-04, intermediate connector A-16 and G
and yaw rate sensor connector C-117, inspect the
wire. If any of these connector is damaged, repair or
replace it. Then go to Step 10.
Q: Is the check result normal?
YES :
Go to Step 8.
NO :
Repair it and go to Step 10.
STEP 8. Check whether the diagnosis code is
reset.
CAUTION
Before connecting or disconnecting the MUT-III,
turn the ignition switch to the "LOCK" (OFF)
position.
Replace the G and yaw rate sensor, and check
whether diagnosis code C1366 or C1371 is reset.
(1) Replace the G and yaw rate sensor.
(2) Connect MUT-III to the 16-pin diagnosis
connector.
(3) Turn the ignition switch to the "ON" position.
AC312621
Oil reservoir
Connector: A-04
AB
A-04
Hydraulic unit
(with built-in TCL/ASC-ECU)
A-04 Harness connector
(harness side)
AC312624AF
Connector: C-117
<L.H.drive vehicles>
C-117
C-117 Harness connector
(harness side)
AC312625AF
Connector: C-117
<R.H.drive vehicles>
C-117
C-117 Harness connector
(harness side)
AC312617AC
Connector: A-16
<L.H.drive vehicles>
A-16(B)
AC312619AC
Connector: A-16
<R.H.drive vehicles>
A-16(B)
AC302297
AC310120
AB
MB991827
16-pin
MB991910
MB991824
TROUBLESHOOTING
TRACTION CONTROL/ACTIVE STABILITY CONTROL SYSTEM
35C-71
(4) Erase the diagnosis code.
(5) Turn the ignition switch to the "LOCK" (OFF)
position.
(6) Turn the ignition switch to the "ON" position.
(7) Check if the diagnosis code is set.
(8) Turn the ignition switch to the "LOCK" (OFF)
position.
Q: Is code No.C1366 or C1371 set?
YES :
Replace the hydraulic unit (integrated with
TCL/ASC-ECU). Then go to Step 10.
NO :
The procedure is complete.
STEP 9. Check whether the diagnosis code is
reset.
Check again if the diagnosis code is set.
(1) Turn the ignition switch to the "ON" position.
(2) Erase the diagnosis code.
(3) Turn the ignition switch to the "LOCK" (OFF)
position.
(4) Turn the ignition switch to the "ON" position.
(5) Check if the diagnosis code is set.
(6) Turn the ignition switch to the "LOCK" (OFF)
position.
Q: Is code No.C1366 or C1371 set?
YES :
Replace the hydraulic unit (integrated with
TCL/ASC-ECU). Then go to Step 10.
NO :
It can be assumed that this malfunction is
intermittent. Refer to GROUP 00, How to
Use Troubleshooting/Inspection Service
Points
− How to Cope with Intermittent
Malfunction
.
STEP 10. Recheck for diagnosis code.
Check again if the diagnosis code is set.
(1) Turn the ignition switch to the "ON" position.
(2) Erase the diagnosis code.
(3) Turn the ignition switch to the "LOCK" (OFF)
position.
(4) Turn the ignition switch to the "ON" position.
(5) Check if the diagnosis code is set.
(6) Turn the ignition switch to the "LOCK" (OFF)
position.
Q: Is code No.C1366 or C1371 set?
YES :
Go to Step 1.
NO :
The procedure is complete.
AC302297
AC310120
AB
MB991827
16-pin
MB991910
MB991824
AC302297
AC310120
AB
MB991827
16-pin
MB991910
MB991824
TROUBLESHOOTING
TRACTION CONTROL/ACTIVE STABILITY CONTROL SYSTEM
35C-72
Code No.C1377: Sensor cluster communication abnormality
CAUTION
If there is any problem in the CAN bus lines, an
incorrect diagnosis code may be set. Prior to this
diagnosis, diagnose the CAN bus lines.
OPERATION
• The G and yaw rate sensor is energized by the
TCL/ASC-ECU and the G and yaw rate sensor
terminal 1.
• The G and yaw rate sensor output signal is sent
to the TCL/ASC-ECU via the private CAN bus
line.
DIAGNOSIS CODE SET CONDITIONS
This code is set when the signal from the G and yaw
rate sensor is not normal.
PROBABLE CAUSES
• Malfunction of the G and yaw rate sensor
• Damaged wiring harness or connector
• Malfunction of the hydraulic unit (integrated with
TCL/ASC-ECU)
TCL/ASC-ECU
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
G AND YAW
LATE SENSOR
G and Yaw Late Sensor Circuit
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