Mitsubishi L200. Manual — part 439

TROUBLESHOOTING

ACTIVE STABILITY & TRACTION CONTROL SYSTEM (ASTC)

35C-12

C1226

Control solenoid
valve (FR) pressure
holding system

Illuminated

Illuminated

Illuminated

Illuminated

C1231

Control solenoid
valve (FR)
decompressing
system

C1236

Control solenoid
valve (FL) pressure
holding system

C1241

Control solenoid
valve (FL) pressure
reducing system

C1246

Control solenoid
valve (RR) pressure
holding system

C1251

Control solenoid
valve (RR) pressure
reducing system

C1256

Control solenoid
valve (RL) pressure
holding system

C1261

Control solenoid
valve (RL)
decompressing
system

C1266

*5

Motor system

Illuminated

Illuminated

Illuminated

Illuminated

C1273

*5

Motor relay (stuck
off)

Illuminated

Illuminated

Illuminated

Illuminated

C1274

Motor relay (stuck
on)

Illuminated

Illuminated

Illuminated

Illuminated

C1278

Solenoid valve relay
(open circuit)

Illuminated

Illuminated

Illuminated

Illuminated

C1279

Solenoid valve relay
(short circuit)

Illuminated

Illuminated

Illuminated

Illuminated

C1280

Motor fail-safe relay
(short circuit)

Illuminated

Illuminated

Illuminated

Illuminated

C1291

Reverse signal
(seizure)

Extinguished

Extinguished

Illuminated

Illuminated

C1292

CAN
communication
error

Extinguished
(Illuminated
when the G-
sensor CAN
communication
error occurs.)

Extinguished

Illuminated

Illuminated

Diagno
sis
code
No.

Item

ABS warning
lamp

Brake warning
lamp

ASTC indicator
lamp

ASTC OFF
indicator lamp

TROUBLESHOOTING

ACTIVE STABILITY & TRACTION CONTROL SYSTEM (ASTC)

35C-13

C1293

*5

, *6

Abnormal rear
differential lock
detection circuit

Illuminated

Extinguished

Illuminated

Illuminated

C1300

Linear valve
(secondly)

Illuminated

Illuminated

Illuminated

Illuminated

C1310

Linear valve
(primary)

C1340

Abnormal stop lamp
switch circuit

Illuminated

Extinguished

Illuminated

Illuminated

C1361

Abnormal pressure
sensor
characteristics

Extinguished

Extinguished

Illuminated

Illuminated

C1362

Abnormal pressure
sensor (abnormal
output value, open
or short circuit)

Extinguished

Extinguished

Illuminated

Illuminated

C1364

Pressure sensor
malfunction

Extinguished

Extinguished

Illuminated

Illuminated

C1369

*5

G and yaw rate
sensor (bank run
record error)

Extinguished

Extinguished

Illuminated

Illuminated

C1371

Yaw rate sensor
(output error,
oscillation error,
zero-point error)

Extinguished

Extinguished

Illuminated

Illuminated

C1381

*5

G-sensor (output
error, seizure)

Illuminated

Extinguished

Illuminated

Illuminated

C1385

Yaw rate sensor
(internal error)

Extinguished

Extinguished

Illuminated

Illuminated

C1386

G-sensor (internal
error)

Illuminated

Extinguished

Illuminated

Illuminated

C1388

Yaw rate sensor
(active check error)

Extinguished

Extinguished

Illuminated

Illuminated

C1389

G-sensor (active
check error)

Illuminated

Extinguished

Illuminated

Illuminated

C1393

G and yaw rate
sensor (zero-point
not calibrated)

Flashes (Turns
Extinguished
when the yaw
rate sensor
learned the
neutral point.)

Flashes (Turns
Extinguished
when the yaw rate
sensor learned
the neutral point.)

Flashes

Flashes

C1394

Steering wheel
sensor neutral point
not learned

Flashes

Flashes

Flashes

Flashes

Diagno
sis
code
No.

Item

ABS warning
lamp

Brake warning
lamp

ASTC indicator
lamp

ASTC OFF
indicator lamp

TROUBLESHOOTING

ACTIVE STABILITY & TRACTION CONTROL SYSTEM (ASTC)

35C-14

C1395

Brake fluid charging
incompletion

Flashes

Flashes

Flashes

Flashes

C1396

Engine-ECU
malfunction

Extinguished

Extinguished

Illuminated

Illuminated

C1505

Steering wheel
sensor abnormality
(detected at ASTC-
ECU-side)

Extinguished

Extinguished

Illuminated

Illuminated

C1506

Steering wheel
sensor abnormality
(self-detection at
steering wheel
sensor-side)

C1620

Engine-ECU
communication
error

Extinguished

Extinguished

Illuminated

Illuminated

C1860

High voltage at
ASTC-ECU power
supply

Illuminated

Illuminated

Illuminated

Illuminated

C1861

Low voltage at
ASTC-ECU power
supply

Illuminated

Illuminated

Illuminated

Illuminated

U1073

Bus-off

Illuminated

Extinguished

Illuminated

Illuminated

U1100

Engine-ECU
timeout error

Extinguished

Extinguished

Illuminated

Illuminated

U1101

*7

A/T-ECU timeout
error

Extinguished

Extinguished

Illuminated

Illuminated

U1104

Steering wheel
sensor timeout error

Extinguished

Extinguished

Illuminated

Illuminated

U1105

G & yaw rate sensor
timeout error

Illuminated

Extinguished

Illuminated

Illuminated

U1109

ETACS-ECU
timeout error

Extinguished

Extinguished

Extinguished

Extinguished

U1120

Engine malfunction
detected

Extinguished

Extinguished

Illuminated

Illuminated

U1190

ETACS signal
receiving error

Extinguished

Extinguished

Extinguished

Extinguished

U1200

Steering wheel
sensor
communication
error

Extinguished

Extinguished

Illuminated

Illuminated

U1201

Yaw rate sensor
parity error

Extinguished

Extinguished

Illuminated

Illuminated

Diagno
sis
code
No.

Item

ABS warning
lamp

Brake warning
lamp

ASTC indicator
lamp

ASTC OFF
indicator lamp

TROUBLESHOOTING

ACTIVE STABILITY & TRACTION CONTROL SYSTEM (ASTC)

35C-15

NOTE:

.

•

*1

: Normality on rear wheels (both right and left)

•

*2

: Abnormality on rear wheels (both right and left)

•

*3

: Abnormality on rear wheel (right or left)

•

*4

: This diagnosis code is not set within the vehicle speed of 30 km/h or less.

•

*5

: This diagnosis code is not set within the vehicle speed of 10 km/h or less.

•

*6

: Vehicle with rear differential lock system.

•

*7

: A/T

System control in case of failure

U1202

G-sensor parity
error

Illuminated

Extinguished

Illuminated

Illuminated

U1204

Steering wheel
sensor
communication
error

Extinguished

Extinguished

Illuminated

Illuminated

U1205

G and yaw rate
sensor message
counter error

Illuminated

Extinguished

Illuminated

Illuminated

Diagno
sis
code
No.

Item

ABS warning
lamp

Brake warning
lamp

ASTC indicator
lamp

ASTC OFF
indicator lamp

Diagno
sis
code
No.

Item

ABS

EBD

Active stability
control

Active traction
control

C1200

Wheel speed
sensor (FR) system
(open circuit)

Executed

Backup EBD

control

*1

Prohibited

*2

Executed

Executed

C1205

Wheel speed
sensor (FL) system
(open circuit)

C1210

Wheel speed
sensor (RR) system
(open circuit)

Backup EBD

control

*3

Prohibited

*2

C1215

Wheel speed
sensor (RL) system
(open circuit)