Mitsubishi Lancer (4A9 engine). Manual - part 40

 

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Mitsubishi Lancer (4A9 engine). Manual - part 40

 

 

TROUBLESHOOTING

ACTIVE STABILITY CONTROL SYSTEM (ASC)

35C-13

NOTE: 

.

*1

: Turns on when two or more wheels are faulty.

*2

: Stays on until the vehicle speed reaches 10 km/h when the ignition switch is turned to ON next time.

*3

: Does not illuminate when there is no effect to the EBD function.

*4

: Does not illuminate when there is no effect to the ABS function.

*5

: This diagnosis code is not set with the vehicle speed of 20 km/h or less.

Under EBD, ABS, stability control and TCL control in case of failure

Diagnosis 
code No.

Item

EBD

ABS

Stability 
control

TCL

ESS

C100A

Abnormality in FL wheel speed 
sensor circuit

Enabled

*3

Prohibited

Prohibited Prohibited Prohibited

C1015

Abnormality in FR wheel speed 
sensor circuit

C1020

Abnormality in RL wheel speed 
sensor circuit

C102B

Abnormality in RR wheel speed 
sensor circuit

C1011

Abnormality in FL wheel speed 
sensor signal

Enabled

*3

Prohibited

Prohibited Prohibited Prohibited

C101C

Abnormality in FR wheel speed 
sensor signal

C1027

Abnormality in RL wheel speed 
sensor signal

C1032

Abnormality in RR wheel speed 
sensor signal

C1014

Mutual monitoring of FL wheel 
speed sensor

Enabled

*3

Prohibited

Prohibited Prohibited Prohibited

C101F

Mutual monitoring of FR wheel 
speed sensor

C102A

Mutual monitoring of RL wheel 
speed sensor

C1035

Mutual monitoring of RR wheel 
speed sensor

C1041

Abnormality in periodical signal 
for FL wheel speed sensor

Enabled

*3

Prohibited

Prohibited Prohibited Prohibited

C1042

Abnormality in periodical signal 
for FR wheel speed sensor

C1043

Abnormality in periodical signal 
for RL wheel speed sensor

C1044

Abnormality in periodical signal 
for RR wheel speed sensor

TROUBLESHOOTING

ACTIVE STABILITY CONTROL SYSTEM (ASC)

35C-14

C1046

FL wheel speed sensor control 
phase time exceeded

Enabled

*3

Prohibited

Prohibited Prohibited Prohibited

C1047

FR wheel speed sensor control 
phase time exceeded

C1048

RL wheel speed sensor control 
phase time exceeded

C1049

RR wheel speed sensor control 
phase time exceeded

C104B

Abnormality in FL wheel inlet 
valve system

Prohibited Prohibited

Prohibited Prohibited Prohibited

C104F

Abnormality in FR wheel inlet 
valve system

C1053

Abnormality in RL wheel inlet 
valve system

C1057

Abnormality in RR wheel inlet 
valve system

C105F

Abnormality in FL wheel outlet 
valve system

Prohibited Prohibited

Prohibited Prohibited Prohibited

C1063

Abnormality in FR wheel outlet 
valve system

C1067

Abnormality in RL wheel outlet 
valve system

C105B

Abnormality in RR wheel outlet 
valve system

C1200

Abnormality in FL/RR wheel cut 
valve system

Prohibited Prohibited

Prohibited Prohibited Prohibited

C1204

Abnormality in FR/RL wheel cut 
valve system

C1208

Abnormality in FL/RR wheel 
suction valve system

C120C

Abnormality in FR/RL wheel 
suction valve system

C2104

Faulty valve power supply 
circuit

Prohibited Prohibited

Prohibited Prohibited Prohibited

C1073

Faulty motor drive circuit

Enabled

Prohibited

Prohibited Prohibited Prohibited

C2116

Low or high power supply 
voltage in pump motor

Enabled

Prohibited

Prohibited Prohibited Prohibited

C121D

Abnormality in brake fluid 
pressure sensor circuit

Enabled

Prohibited

Prohibited Prohibited Enabled

C121E

Abnormality in brake fluid 
pressure sensor output signal

Enabled

Prohibited

Prohibited Prohibited Enabled

C1000

Abnormality in stop lamp switch 
circuit

Enabled

Enabled

Prohibited Prohibited Enabled

C123B

Prolonged operation of ASC

Enabled

Enabled

Prohibited Prohibited Enabled

Diagnosis 
code No.

Item

EBD

ABS

Stability 
control

TCL

ESS

TROUBLESHOOTING

ACTIVE STABILITY CONTROL SYSTEM (ASC)

35C-15

C2200

Abnormality in ASC-ECU

Prohibited

*

2

Prohibited

*

1

Prohibited Prohibited Prohibited

*

1

C2101

Abnormality in 
battery voltage 
(high voltage)

18.0 

± 1.0 V or 

more

Prohibited Prohibited

Prohibited Prohibited Prohibited

C1395

Brake fluid filling not completed Enabled

Enabled

Enabled

Enabled

Enabled

C121C

Torque request signal rejection

Enabled

Enabled

Prohibited Prohibited Enabled

C1290

CAN time-out error

Enabled

Enabled

Prohibited Prohibited Enabled

C2203

Chassis No. not programmed

Enabled

Enabled

Enabled

Enabled

Enabled

C2206

Re-execution of variant coding

Enabled

Prohibited

Prohibited Prohibited Prohibited

C123C

Abnormality in 
G & yaw rate 
sensor output 
value

Abnormality in 
lateral G and 
yaw rate 
output value

Enabled

Enabled

Prohibited Prohibited Enabled

C2204

Internal abnormality in G & yaw 
rate sensor

Enabled

Enabled

Prohibited Prohibited Enabled

C2111

Brake fluid 
pressure 
sensor power 
supply circuit

Low input

Enabled

Prohibited

Prohibited Prohibited Prohibited

C2112

Brake fluid 
pressure 
sensor power 
supply circuit

High input

Enabled

Prohibited

Prohibited Prohibited Prohibited

C2114

*4

Abnormality in 
G & yaw rate 
sensor 
operation 
voltage

Low voltage 
(6.5 

± 0.5 V or 

less)

Enabled

Enabled

Prohibited Prohibited Enabled

C2115

Abnormality in 
G & yaw rate 
sensor 
operation 
voltage

High voltage 
(18.0 

± 1.0 V 

or more)

Enabled

Enabled

Prohibited Prohibited Enabled

C123A

Abnormality in sensor 
calibration

Enabled

Enabled

Prohibited Prohibited Enabled

C1219

Abnormality in steering wheel 
sensor signal

Enabled

Enabled

Prohibited Prohibited Enabled

C121A

Abnormality in 
steering wheel 
sensor 
calibration

Steering 
wheel sensor 
neutral point 
not learned

Enabled

Enabled

Prohibited Prohibited Enabled

C2205

Internal abnormality in steering 
wheel sensor

Enabled

Enabled

Prohibited Prohibited Enabled

C2002

Valve calibration error

Prohibited Prohibited

Prohibited Prohibited Prohibited

Diagnosis 
code No.

Item

EBD

ABS

Stability 
control

TCL

ESS

TROUBLESHOOTING

ACTIVE STABILITY CONTROL SYSTEM (ASC)

35C-16

NOTE: 

.

*1

: When ABS warning lamp is turned on.

*2

: When brake warning lamp is turned on.

*3

: Prohibited when two or more wheels are faulty.

*4

: This diagnosis code is not set with the vehicle speed of 20 km/h or less.

HOW TO READ DIAGNOSIS CODE

Refer to GROUP 00 

− How to Use Troubleshooting 

and Inspection Service Points . 

HOW TO ERASE DIAGNOSIS CODE

Refer to GROUP 00 

− How to Use Troubleshooting 

and Inspection Service Points . 

DIAGNOSIS CODE CHART

M1355001101318

CAUTION

During diagnosis, a diagnosis code associated with other system may be set when the ignition switch 
is turned on with connector(s) disconnected. On completion, confirm all systems for diagnosis 
code(s). If diagnosis code(s) are set, erase them all.

C2003

Control parameter not 
implement

Enabled

Enabled

Prohibited Prohibited Enabled

C1608

Implausible diagnosis data

Enabled

Enabled

Enabled

Enabled

Enabled

U0001

Bus-off

Enabled

Enabled

Enabled

Enabled

Enabled

U0100

Engine time-out error

Enabled

Enabled

Enabled

Enabled

Enabled

U0101

A/T or CVT time-out error

Enabled

Enabled

Enabled

Enabled

Enabled

U0126

Steering wheel sensor time-out 
error

Enabled

Enabled

Enabled

Enabled

Enabled

U0141

ETACS time-out error

Enabled

Enabled

Enabled

Enabled

Prohibited

U0125

G & yaw rate sensor message 
time-out error/message error

Enabled

Enabled

Prohibited Prohibited Enabled

U0401

Engine signal malfunction 
detected

Enabled

Enabled

Prohibited Prohibited Enabled

U0404

Abnormality in AS&G signal

Prohibited Prohibited

Prohibited Prohibited Prohibited

U0428

Steering wheel sensor CRC, 
message error

Enabled

Enabled

Prohibited Prohibited Enabled

U1003

G & yaw rate sensor bus-off

Enabled

Enabled

Prohibited Prohibited Enabled

U1004

AS&G CAN time-out

Prohibited Prohibited

Prohibited Prohibited Prohibited

U1415

Variant coding not implemented Enabled

Prohibited

Prohibited Prohibited Prohibited

U1417

Variant coding value invalid 
(includes faulty installation)

Enabled

Prohibited

Prohibited Prohibited Prohibited

*

1

Diagnosis 
code No.

Item

EBD

ABS

Stability 
control

TCL

ESS

Diagnosis code 
No.

Item

Reference page

C100A

Abnormality in FL wheel speed sensor circuit

P.35C-19

C1015

Abnormality in FR wheel speed sensor circuit

P.35C-23

C1020

Abnormality in RL wheel speed sensor circuit

P.35C-27

 

 

 

 

 

 

 

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