Mitsubishi Lancer Evolution X. Manual - part 245

 

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Mitsubishi Lancer Evolution X. Manual - part 245

 

 

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI)

13A-45

P0300

Random/multiple cylinder misfire detected

The supply of fuel to the misfiring cylinder 
can possibly be cut.

P0301

Cylinder 1 misfire detected

The supply of fuel to the misfiring cylinder 
can possibly be cut.

P0302

Cylinder 2 misfire detected

The supply of fuel to the misfiring cylinder 
can possibly be cut.

P0303

Cylinder 3 misfire detected

The supply of fuel to the misfiring cylinder 
can possibly be cut.

P0304

Cylinder 4 misfire detected

The supply of fuel to the misfiring cylinder 
can possibly be cut.

P0327

Knock sensor circuit low

Fix the ignition timing with an allowance 
against knock.

P0328

Knock sensor circuit high

Fix the ignition timing with an allowance 
against knock.

P0340

Intake camshaft position sensor circuit

• Engine runs in learned pattern until engine 

stops. 

• Does not control variable valve timing 

(V.V.T.).

P0365

Exhaust camshaft position sensor circuit

Does not control variable valve timing 
(V.V.T.).

P0513

Immobilizer malfunction

Engine start is prohibited.

P0606

Engine control module main processor 
malfunction

Throttle opening degree position is in default 
position.

P0622

Generator FR terminal circuit malfunction

Prohibits generator output suppression 
control against current consumers. 
(Operates as a normal generator.)

P0638

Throttle actuator control motor circuit 
range/performance

Throttle opening degree position is in default 
position.

P0642

Throttle position sensor power supply

Throttle opening degree position is in default 
position.

P0657

Throttle actuator control motor relay circuit 
malfunction

Throttle opening degree position is in default 
position.

P1231

Active stability control plausibility

Torque requested by active stability control 
(ASC) is ignored.

P1232

Fail safe system

Microcomputer is reset.

P1233

Throttle position sensor (main) plausibility

• Throttle opening degree is restricted.
• Throttle opening degree position is in 

default position if throttle position sensor 
(sub) fails.

P1234

Throttle position sensor (sub) plausibility

• Throttle opening degree is restricted.
• Throttle opening degree position is in 

default position if throttle position sensor 
(main) fails.

P1235

Mass airflow sensor plausibility

Fuel control is carried out using throttle 
opening degree and engine speed in 
accordance with preset map.

DTC

DIAGNOSTIC ITEM

FAIL-SAFE AND BACKUP FUNCTION

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI)

13A-46

P1236

A/D converter

Throttle opening degree position is in default 
position.

P1237

Accelerator pedal position sensor plausibility Throttle opening degree position is in default 

position.

P1238

Mass airflow sensor plausibility (torque 
monitor)

Throttle opening degree position is in default 
position.

P1239

Engine RPM plausibility

Throttle opening degree position is in default 
position.

P1240

Ignition angle

Ignition retard is not carried out.

P1241

Torque monitor

Throttle opening degree position is in default 
position.

P1242

Fail safe control monitor

Throttle opening degree position is in default 
position.

P1243

Inquiry/response error

Microcomputer is reset.

P1244

RAM test for all area

Microcomputer is reset.

P1245

Cycle RAM test (engine)

Microcomputer is reset.

P1247

TC-SST plausibility <TC-SST>

Torque requested by TC-SST-ECU is 
ignored.

P1590

TCM to ECM communication error in torque 
reduction request <TC-SST>

Engine output is restricted.

P1603

Battery backup circuit malfunction

All diagnosis codes are stored once failure 
judgment is completed.

P2100

Throttle actuator control motor circuit (open) Throttle opening degree position is in default 

position.

P2101

Throttle actuator control motor magneto 
malfunction

Throttle opening degree position is in default 
position.

P2122

Accelerator pedal position sensor (main) 
circuit low input

• Throttle opening degree is restricted.
• Throttle opening degree position is in 

default position if accelerator pedal 
position sensor (sub) fails.

P2123

Accelerator pedal position sensor (main) 
circuit high input

• Throttle opening degree is restricted.
• Throttle opening degree position is in 

default position if accelerator pedal 
position sensor (sub) fails.

P2127

Accelerator pedal position sensor (sub) 
circuit low input

• Throttle opening degree is restricted.
• Throttle opening degree position is in 

default position if accelerator pedal 
position sensor (main) fails.

P2128

Accelerator pedal position sensor (sub) 
circuit high input

• Throttle opening degree is restricted.
• Throttle opening degree position is in 

default position if accelerator pedal 
position sensor (main) fails.

P2135

Throttle position sensor (main and sub) 
range/performance problem

Throttle opening degree position is in default 
position.

DTC

DIAGNOSTIC ITEM

FAIL-SAFE AND BACKUP FUNCTION

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI)

13A-47

P2138

Accelerator pedal position sensor (main and 
sub) range/performance problem

• Throttle opening degree is restricted.
• Throttle opening degree position is in 

default position if accelerator pedal 
position sensor (sub) fails.

P2228

Barometric pressure circuit low input

Control as if the barometric pressure is 101 
kPa.

P2229

Barometric pressure circuit high input

Control as if the barometric pressure is 101 
kPa.

P2253

Heated oxygen sensor offset circuit high 
voltage

Does not control air-fuel ratio closed loop.

P2263

Intake charge system malfunction

Fuel is cut in engine overboost condition.

U0167

Immobilizer communication error

Engine start is prohibited.

DTC

DIAGNOSTIC ITEM

FAIL-SAFE AND BACKUP FUNCTION

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI)

13A-48

DIAGNOSTIC TROUBLE CODE CHART

M1131151004734

CAUTION

During diagnosis, a DTC 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 DTC(s). If DTC(s) 
are set, erase them all.

DTC

DIAGNOSTIC ITEM

REFERENCE 
PAGE

P0010

Intake engine oil control valve circuit 

P.13A-56

P0011

Intake variable valve timing system target error

P.13A-62

P0012

Camshaft position - timing over-retarded

P.13A-66

P0013

Exhaust engine oil control valve circuit

P.13A-67

P0014

Exhaust variable valve timing system target error

P.13A-73

P0016

Crankshaft/camshaft (intake) position sensor phase problem

P.13A-76

P0017

Crankshaft/camshaft (exhaust) position sensor phase problem

P.13A-80

P0031

Heated oxygen sensor (front) heater circuit low

P.13A-84

P0032

Heated oxygen sensor (front) heater circuit high

P.13A-91

P0037

Heated oxygen sensor (rear) heater circuit low

P.13A-95

P0038

Heated oxygen sensor (rear) heater circuit high 

P.13A-102

P0069

Abnormal correlation between manifold absolute pressure sensor and 
barometric pressure sensor

P.13A-106

P0096*

1

Intake air temperature circuit range/performance problem (sensor 2)

P.13A-110

P0097*

1

Intake air temperature circuit low input (sensor 2)

P.13A-117

P0098*

1

Intake air temperature circuit high input (sensor 2)

P.13A-121

P0101*

1

Mass airflow circuit range/performance problem

P.13A-127

P0102*

1

Mass airflow circuit low input

P.13A-133

P0103*

1

Mass airflow circuit high input

P.13A-140

P0106

Manifold absolute pressure circuit range/performance problem

P.13A-145

P0107

Manifold absolute pressure circuit low input

P.13A-154

P0108

Manifold absolute pressure circuit high input

P.13A-162

P0111*

1

Intake air temperature circuit range/performance problem (sensor 1)

P.13A-167

P0112*

1

Intake air temperature circuit low input (sensor 1)

P.13A-173

P0113*

1

Intake air temperature circuit high input (sensor 1)

P.13A-177

P0116*

1

Engine coolant temperature circuit range/performance problem

P.13A-183

P0117*

1

Engine coolant temperature circuit low input

P.13A-189

P0118*

1

Engine coolant temperature circuit high input

P.13A-194

P0122*

1

Throttle position sensor (main) circuit low input

P.13A-201

P0123*

1

Throttle position sensor (main) circuit high input

P.13A-205

P0125*

1

Insufficient coolant temperature for closed loop fuel control

P.13A-212

 

 

 

 

 

 

 

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