Mitsubishi L200. Manual - part 440

TROUBLESHOOTING

ACTIVE STABILITY & TRACTION CONTROL SYSTEM (ASTC)

35C-16

C1201

Wheel speed 
sensor (FR) system 
(sensor transmitting 
error)

Executed

Backup EBD 

control

*1

Prohibited

*2

Executed

Executed

C1206

Wheel speed 
sensor (FL) system 
(sensor transmitting 
error)

C1211

Wheel speed 
sensor (RR) system 
(sensor transmitting 
error)

Backup EBD 

control

*3

Prohibited

*2

C1216

Wheel speed 
sensor (RL) system 
(sensor transmitting 
error)

C1202

Wheel speed 
sensor (FR) system 
malfunction (power 
circuit)

Executed

Backup EBD 

control

*1

Prohibited

*2

Executed

Executed

C1207

Wheel speed 
sensor (FL) system 
malfunction (power 
circuit)

C1212

Wheel speed 
sensor (RR) system 
malfunction (power 
circuit)

Backup EBD 

control

*3

Prohibited

*2

C1217

Wheel speed 
sensor (RL) system 
malfunction (power 
circuit)

C1223

G and yaw rate 
sensor (active 
check error)

Executed

Backup EBD 
control

Executed

Executed

C1225

*4

Wheel speed 
sensor malfunction 
(abnormality in tyre 
size)

Executed

Backup EBD 
control

Executed

Executed

Diagno
sis 
code 
No.

Item

ABS

EBD

Active stability 
control

Active traction 
control

TROUBLESHOOTING

ACTIVE STABILITY & TRACTION CONTROL SYSTEM (ASTC)

35C-17

C1226

Control solenoid 
valve (FR) pressure 
holding system

Executed

Executed

Executed

Executed

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

Executed

Executed

Executed

Executed

C1273

*5

Motor relay (stuck 
off)

Executed

Executed

Executed

Executed

C1274

Motor relay (stuck 
on)

Executed

Executed

Executed

Executed

C1278

Solenoid valve relay 
(open circuit)

Executed

Executed

Executed

Executed

C1279

Solenoid valve relay 
(short circuit)

Executed

Executed

Executed

Executed

C1280

Motor fail-safe relay 
(short circuit)

Executed

Executed

Executed

Executed

C1291

Reverse signal 
(seizure)

Normal control

Normal control

Executed

Executed

C1292

CAN 
communication 
error

Normal control 

Normal control 

Executed

Executed

Diagno
sis 
code 
No.

Item

ABS

EBD

Active stability 
control

Active traction 
control

TROUBLESHOOTING

ACTIVE STABILITY & TRACTION CONTROL SYSTEM (ASTC)

35C-18

C1293

*5

, *6

Abnormal rear 
differential lock 
detection circuit

Executed

Backup EBD 
control

Executed

Executed

C1300

Linear valve 
(secondly)

Executed

Executed

Executed

Executed

C1310

Linear valve 
(primary)

C1340

Abnormal stop lamp 
switch circuit

Executed

Backup EBD 
control

Executed

Executed

C1361

Abnormal pressure 
sensor 
characteristics

Normal control

Normal control

Executed

Executed

C1362

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

Normal control

Normal control

Executed

Executed

C1364

Pressure sensor 
malfunction

Normal control

Normal control

Executed

Executed

C1369

*5

G and yaw rate 
sensor (bank run 
record error)

Normal control

Normal control

Executed

Normal control

C1371

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

Normal control

Normal control

Executed

Executed

C1381

*5

G-sensor (output 
error, seizure)

Executed

Backup EBD 
control

Executed

Executed

C1385

Yaw rate sensor 
(internal error)

Normal control

Normal control

Executed

Executed

C1386

G-sensor (internal 
error)

Executed

Backup EBD 
control

Executed

Executed

C1388

Yaw rate sensor 
(active check error)

Normal control

Normal control

Executed

Executed

C1389

G-sensor (active 
check error)

Executed

Backup EBD 
control

Executed

Executed

C1393

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

Normal control

Normal control

Executed

Executed

C1394

Steering wheel 
sensor neutral point 
not learned

Normal control

Normal control

Executed

Executed

C1395

Brake fluid charging 
incompletion

Executed

Executed

Executed

Executed

Diagno
sis 
code 
No.

Item

ABS

EBD

Active stability 
control

Active traction 
control

TROUBLESHOOTING

ACTIVE STABILITY & TRACTION CONTROL SYSTEM (ASTC)

35C-19

C1396

Engine-ECU 
malfunction

Normal control

Normal control

Executed

Executed

C1505

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

Normal control 

Normal control 

Executed

Executed

C1506

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

C1620

Engine-ECU 
communication 
error

Normal control 

Normal control 

Executed

Executed

C1860

High voltage at 
ASTC-ECU power 
supply

Executed

Executed

Executed

Executed

C1861

Low voltage at 
ASTC-ECU power 
supply

Executed

Executed

Executed

Executed

U1073

Bus-off

Executed

Backup EBD 
control

Executed

Executed

U1100

Engine-ECU 
timeout error

Normal control 

Normal control 

Executed

Executed

U1101

*7

A/T-ECU timeout 
error

Normal control 

Normal control 

Executed

Executed

U1104

Steering wheel 
sensor timeout error

Normal control 

Normal control 

Executed

Executed

U1105

G and yaw rate 
sensor timeout error

Executed

Backup EBD 
control

Executed

Executed

U1109

ETACS-ECU 
timeout error

Normal control 

Normal control 

Normal control 

Normal control 

U1120

Engine malfunction 
detected

Normal control 

Normal control 

Executed

Executed

U1190

ETACS signal 
receiving error

Normal control 

Normal control 

Normal control 

Normal control 

U1200

Steering wheel 
sensor 
communication 
error

Normal control 

Normal control 

Executed

Executed

U1201

Yaw rate sensor 
parity error

Normal control 

Normal control 

Executed

Executed

Diagno
sis 
code 
No.

Item

ABS

EBD

Active stability 
control

Active traction 
control