Qashqai J11. Engine control system (R9M) - part 7

 

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Qashqai J11. Engine control system (R9M) - part 7

 

 

ECM

EC9-97

< ECU DIAGNOSIS INFORMATION >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC9

N

P

O

138

(L)

134

(R)

Exhaust gas temperature 
sensor

Input

[Engine is running]
• Warm-up condition
• Idle speed

0.88 V

[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm

0.11 V

140
(W)

29

(B)

Electric throttle control mo-
tor (-)

Output

[Ignition switch: OFF]
For 20 seconds after turning igni-
tion switch OFF
NOTE:
Repeat several times opening 
and shutting after turning ignition 
switch OFF.

[Ignition switch: OFF]
More than 20 seconds after turn-
ing ignition switch OFF

0.08 V

141

(V)

Sensor ground
(Refrigerant pressure sen-
sor)

142

(G)

Sensor ground
(Low pressure EGR temper-
ature sensor)

143

(BR)

29

(B)

Low pressure EGR volume 
control valve motor (+)

Output

[Engine is running]
• Engine coolant temperature: 

more than 70

°

C (158

°

F)

• Intake air temperature: more 

than 20

°

C (68

°

F)

• Idle speed
NOTE:
The duty cycle changes depend-
ing on low pressure EGR volume 
control valve operation.

144

(B)

29

(B)

High pressure EGR volume 
control valve motor (+)

Input

[Engine is running]
• Engine coolant temperature: 

less than 30

°

C (86

°

F)

• Idle speed
NOTE:
The duty cycle changes depend-
ing on high pressure EGR vol-
ume control valve operation.

146

(BR)

142

(G)

Low pressure EGR temper-
ature sensor

Input

[Engine is running]
• Engine coolant temperature: 

more than 70

°

C (158

°

F)

• Intake air temperature: more 

than 20

°

C (68

°

F)

• Idle speed

0.54 V

Output voltage varies with low 

pressure EGR gas temperature.

147

(GR)

29

(B)

Exhaust electric throttle con-
trol motor (-)

Output

[Engine is running]
• Engine coolant temperature: 

more than 70

°

C (158

°

F)

• Intake air temperature: more 

than 20

°

C (68

°

F)

• Idle speed

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

Signal name

Input/

Output

JSBIA4823ZZ

JSBIA4824ZZ

JSBIA4825ZZ

JSBIA4826ZZ

EC9-98

< ECU DIAGNOSIS INFORMATION >

[R9M]

ECM

148
(W)

29

(B)

High pressure EGR volume 
control valve motor (-)

Input

[Engine is running]
• Engine coolant temperature: 

less than 30

°

C (86

°

F)

• Idle speed
NOTE:
The duty cycle changes depend-
ing on high pressure EGR vol-
ume control valve operation.

149

(R)

29

(B)

Turbocharger boost control 
actuator

Output

[Engine is running]
Turbocharger: Not operated

8.8 V

[Engine is running]
Turbocharger: Operated

10 V

150

(Y)

134

(R)

Exhaust gas temperature 
sensor 1 

Input

[Engine is running]
• Warm-up condition
• Idle speed

0.91 V

Output voltage varies with ex-

haust gas temperature.

151

(G)

29

(B)

Engine restart bypass con-
trol relay

Output

[Engine is running]
• Warm-up condition
• Idle speed

11.53 V

[Stop/start system operate]
While cranking of restart

0 V

152

(SB)

29

(B)

Electric throttle control mo-
tor (+)

Output

[Ignition switch: OFF]
For 20 seconds after turning igni-
tion switch OFF
NOTE:
Repeat several times opening 
and shutting after turning ignition 
switch OFF.

[Ignition switch: OFF]
More than 20 seconds after turn-
ing ignition switch OFF

1.23 V

153

(Y)

29

(B)

FUEL INJECTOR No.4 (HI)

Output

[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle.

[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

Signal name

Input/

Output

JSBIA4827ZZ

JSBIA4828ZZ

JSBIA4829ZZ

JSBIA4830ZZ

ECM

EC9-99

< ECU DIAGNOSIS INFORMATION >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC9

N

P

O

154

(BG)

29

(B)

FUEL INJECTOR No.2 (HI)

Output

[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle.

[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm

155

(G)

29

(B)

FUEL INJECTOR No.3 (LO)

Input

[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle.

[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm

156

(BG)

29

(B)

FUEL INJECTOR No.4 (LO)

Input

[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle.

[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

Signal name

Input/

Output

JSBIA4831ZZ

JSBIA4832ZZ

JSBIA4833ZZ

JSBIA4834ZZ

JSBIA4835ZZ

JSBIA4836ZZ

EC9-100

< ECU DIAGNOSIS INFORMATION >

[R9M]

ECM

157

(R)

29

(B)

FUEL INJECTOR No.3 (HI)

Output

[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle.

[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm

158

(P)

29

(B)

FUEL INJECTOR No.1 (HI)

Output

[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle.

[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm

159

(P)

29

(B)

FUEL INJECTOR No.2 (LO)

Input

[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle.

[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

Signal name

Input/

Output

JSBIA4837ZZ

JSBIA4838ZZ

JSBIA4839ZZ

JSBIA4840ZZ

JSBIA4841ZZ

JSBIA4842ZZ

EC9-102

< ECU DIAGNOSIS INFORMATION >

[R9M]

ECM

P0045

Turbo solenoid valve control circuit

• Torque limitation
• EGR valve is closed position
• Throttle control motor is opened
• Boost regulation cut off
• CSF regeneration forbidden
• Freeshift inhibited
• CCSL deactivation

P0095

Intake air temperature sensor 2

• EGR volume control valve is closed position
• Throttle control motor is opened
• Inhibition of the correction of ZFC
• Over torque inhibited
• Limitation of temperature at the entry of CSF (TeFAP)
• Oil vapor heater activated when engine is running (if present)
• Engine speed attachement detection inhibited

P0100
P0101

Mass air flow sensor

• EGR valve is closed position
• Throttle control motor is opened
• Prohibit DPF regeneration

P0105
P0106

TC boost sensor

• EGR valve is closed position
• Throttle control motor is opened
• Limited upstream turbine pressure regulation if the sensor is present: Oth-

erwise, the boost pressure regulation is cut

• CSF regeneration forbidden
• CCSL deactivation with dashboard message
• Freeshift Inhibited
• Increased idle speed
• After sales routines forbidden (for boost / manifold pressure sensor not 

equipped engine)

• Wastegate cut off
• Torque limitation

P0110

Intake air temperature sensor 1

• Boost pressure limitation
• EGR valve is closed position
• Throttle control motor is opened

P0115

Engine coolant temperature sensor circuit

• Engine cooling fan operates at high speed while engine running when en-

gine stopped and operates at low speed.

• Engine speed limitation
• EGR valve is closed position
• Throttle control motor is opened
• Prohibit DPF regeneration
• EGR cooling valve activated

P0120

Throttle position sensor

• EGR valve is closed position
• Throttle control motor is opened
• CSF regeneration forbidden
• Airflow regulation cut off
• Compression test routine forbidden
• CCSL deactivated with dashboard message
• Freeshift inhibited

P0190

• EGR valve is closed position
• Throttle control motor is opened
• Rail pressure limitation
• CSF regeneration forbidden
• After sale routines forbidden
• CCSL deactivation with dashboard message
• Freeshift inhibited
• ESP deactivated and AGB in limp home mode

P0200

• EGR valve is closed position
• Throttle control motor is opened
• After sales routines forbidden
• CCSL deactivation with dashboard message
• CSF regeneration forbidden
• Increased idle speed

DTC No.

Detected items

Engine operating condition in fail-safe mode

ECM

EC9-103

< ECU DIAGNOSIS INFORMATION >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC9

N

P

O

P0135
P2244

A/F sensor circuit

Stop closed-loop control

P0201
P0202
P0203
P0204

Fuel injector circuit

• EGR valve is closed position
• Throttle control motor is opened
• After sales routines forbidden
• CCSL deactivation with dashboard message
• CSF regeneration forbidden
• Increased idle speed

P0217

Brake/accelerator pedal positions

• Cooling FAN Activated
• Controlled shutters opening (if present)
• Warning overheating lamp activated
• Opening of the engine coolant thermostat (request of ineffective opening in 

that case) (if present)

• Prohibit stop/start system
• EGR control cut off (if present)
• A/C compressor cut-off (if present)

P0225

Accelerator pedal position sensor 1circuit

• Torque limitation
• After sales and factory routines inhibited
• Freeshift inhibited
• CCSL deactivation (considered as abnormal with dashboard message)

P0226

Brake/accelerator pedal positions

• Torque limitation
• Pedal limp home activated
• Aftersales and factory routines inhibited
• Freeshift Inhibited
• CCSL deactivation (considered as abnormal with dashboard message)

P0335

Crankshaft position sensor

• EGR valve is closed position
• Throttle control motor is opened
• Prohibit DPF regeneration
• Prohibit start/stop system
• Torque limitation
• Engine speed limitation
• ESP deactivated

P0340

Camshaft position sensor circuit

• Synchronization on the exhaust CAM
• Intake VVT deactivation
• Prohibit stop/start system
• Inhibition of the VVT (setpoint = 0)
• Inhibition of the VVT command (% PWM = 0)
• VVTC angular position set to 0 and inhibition of the VVTC control

P0402
P0403

EGR system

• EGR valve is closed position
• Throttle control motor is opened
• CSF regenerations forbidden
• CCSL deactivation with dashboard message
• Freeshift inhibited

P0409

High pressure EGR volume control valve 
control position sensor circuit

• EGR valve is closed position
• Stop closed-loop control
• CSF regeneration forbidden
• CCSL deactivation with dashboard message
• Freeshift inhibited

P0470

Exhaust gas pressure sensor

• Boost pressure limitation
• EGR valve is closed position
• Throttle control motor is opened
• CCSL deactivation (considered as abnormal with dashboard message)
• Freeshift inhibited
• CSF regeneration forbidden

DTC No.

Detected items

Engine operating condition in fail-safe mode

EC9-104

< ECU DIAGNOSIS INFORMATION >

[R9M]

ECM

P0471

Exhaust gas pressure sensor

• Boost pressure limitation
• EGR valve is closed position
• Throttle control motor is opened
• CCSL deactivation (considered as abnormal with dashboard message)
• Freeshift inhibited
• CSF regeneration forbidden
• Torque limitation

P0487

EGR volume command circuit

• EGR valve is closed position
• Throttle control motor is opened
• Stop closed-loop control
• Freeshift inhibited
• CSF regeneration forbidden
• CCSL deactivation

P0488

EGR valve position control

• EGR valve is closed position
• Throttle control motor is opened
• Freeshift inhibited
• CCSL deactivation
• CSF regeneration forbidden

P0544

Exhaust gas temperature sensor 1 circuit

• EGR valve is closed position
• Throttle control motor is opened
• Prohibit DPF regeneration

P0560

Battery voltage

• Mechanically activated throttle limp-home
• Torque limitation
• ESP deactivated
• Glow plug circuit deactivated
• Inhibition of idle speed control
• Factory and aftersales routines inhibited
• Freeshift Inhibited
• CCSL deactivation (considered as abnormal with dashboard message)
• Wastegate cut off
• AGB in limp home if AGB
• Deactivation of the VVT

P060A

ECM

Reset ECU

P060B

• Engine speed limitation
• CCSL deactivation
• Freeshift inhibited

P061A

• Medium engine speed limitation
• CCSL deactivation with dashboard message
• Freeshift inhibited (If present)

P062B

• EGR valve is closed position
• Throttle control motor is opened
• CSF regeneration forbidden
• Increased idle speed
• CCSL deactivation with dashboard message
• Freeshift inhibited
• ESP deactivated and AGB in limp home mode
• Compression test routine forbidden

P0638
P2100
P2119

Electric throttle control actuator

• EGR valve is closed position
• Throttle control motor is opened
• CSF regeneration forbidden
• Compression test routine inhibited
• Airflow regulation cut off
• CCSL deactivation with dashboard message
• Freeshift inhibited

DTC No.

Detected items

Engine operating condition in fail-safe mode

ECM

EC9-105

< ECU DIAGNOSIS INFORMATION >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC9

N

P

O

P0641

Sensor power supply

• EGR valve is closed position
• Throttle control motor is opened
• The pressure downstream turbo exists then the limit: Otherwise cut regu-

lation turbo

• Limited upstream turbine pressure regulation if the sensor is present: Oth-

erwise, the boost pressure regulation is cut

• Torque limitation
• Airflow regulation cut off
• CSF regeneration forbidden
• CCSL deactivation with dashboard message
• Freeshift inhibited
• Increased idle speed
• After sales routines forbidden

P0651

• Air conditioner deactivation
• Torque limitation
• CCSL deactivation with dashboard message
• Freeshift inhibited
• After sales routines forbidden
• FAN 2 activation

P0697

• EGR valve is closed position
• Throttle control motor is opened
• Rail pressure limitation
• CSF regeneration forbidden
• After sales routines forbidden
• CCSL deactivation with dashboard message
• Freeshift inhibited
• ESP deactivated and AGB in limp home mode

P0833

DPF pressure sensor

CC/SL not available

P1010
P1012
P1013

Intake manifold runner control valve

Stop intake manifold runner control valve control (Fully open position)

P1011

• Stop intake manifold runner control valve control (Fully open position)
• CCSL deactivation
• Freeshift inhibition

P1453

DPF pressure sensor

• EGR valve is closed position
• Throttle control motor is opened
• Prohibit DPF regeneration

P1480
P1481
P1482
P1483

Exhaust electric throttle control actuator

• EGR valve is closed position
• Throttle control motor is opened
• Airflow regulation cut off
• CSF regeneration forbidden
• Compression test routine forbidden
• CCSL deactivation with dashboard message
• Freeshift inhibited

P1484
P1485
P1486
P1487
P1488

Low pressure EGR volume control valve

• EGR valve is closed position
• Throttle control motor is opened
• CSF regenerations forbidden
• CCSL deactivation with dashboard message
• Freeshift inhibited

P1489

• EGR valve is closed position
• Throttle control motor is opened
• Temperature sensor after EGR cooler overheat signal diagnostic set of 

data to call the failure manag.

P1544

Exhaust gas temperature sensor 2 circuit

• EGR valve is closed position
• Throttle control motor is opened
• Prohibit DPF regeneration

P1620

ECM

Stop closed-loop control

DTC No.

Detected items

Engine operating condition in fail-safe mode

E C 9 - 1 0 6

< ECU DIAGNOSIS INFORMATION >

[R9M]

ECM

STOP/START SYSTEM

P1641
P1642
P1643

Thermoplunger circuit

Stop thermoplunger control

P2002

Diesel particulate filter

• EGR valve is closed position
• Throttle control motor is opened
• Prohibit DPF regeneration

P2120

Accelerator pedal position sensor 2 circuit

• Torque limitation
• Freeshift inhibited
• CCSL deactivation (considered as abnormal with dashboard message)
• Aftersales and factory routines inhibited

P2226

Atmosphere pressure sensor

• EGR valve is closed position
• Throttle control motor is opened
• Prohibit DPF regeneration

P2263

Turbocharger boost pressure sensor circuit

• EGR valve is closed position
• Throttle control motor is opened
• Torque limitation
• CCSL deactivation (considered as abnormal with dashboard message)
• Freeshift is inhibited
• Wastegate activation is inhibited
• ESP deactivation
• CSF regeneration forbidden

P2452

Diesel particulate filter pressure sensor cir-
cuit

• EGR valve is closed position
• Throttle control motor is opened
• Prohibit DPF regeneration

P253F

• CSF regeneration is forbidden
• Torque limitation
• EGR valve is closed position
• Throttle control motor is opened

P2681

Engine coolant bypass valve circuit

• Engine cooling fan activation
• Throttle control motor is opened
• Prohibit start/stop system
• Stop EGR control
• Stop thermoplunger control

DTC No.

Detected items

Engine operating condition in fail-safe mode

DTC No.

Detected items

Stop/start system operating condition in fail safe mode

Idling or driving the vehi-

cle

Stop/start system operating

Stop

During cranking

(Restart)

U0298

Engine communication line

Prohibit the stop/start sys-
tem operation from the 
next time

B1900
B1901
B1902
B1903

DC/DC converter

Prohibit the stop/start 
system operation

Restart the engine

B1904

P0120

TP sensor

Prohibit the stop/start 
system operation

Restart the engine

P0833

CPP switch

P1512

Starter motor

Prohibit the stop/start sys-
tem operation from the 
next time

P1650

Starter motor relay2

Restart the engine or stall 
the engine

P1655
P1656

Engine restart bypass relay

P2100

Throttle control motor relay

Prohibit the stop/start 
system operation

ECM

EC9-107

< ECU DIAGNOSIS INFORMATION >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC9

N

P

O

DTC Inspection Priority Chart

INFOID:0000000010309004

If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.

Priority

DTC

Detected items

1

U0111, P1503

LIN communication

U0121, U0315, U0415

CAN communication line

U0298, U0299, B1900, B1901, B1902, B1903, B1904

DC/DC converter

P0016

Crankshaft position - camshaft position correlation

P0095

Intake air temperature sensor 2

P0100, P0101

Mass air flow sensor

P0105, P0106

Turbocharger boost sensor

P0110

Intake air temperature sensor 1

P0115

Engine coolant temperature sensor

P0120

Throttle position sensor

P0135, P2243, P2244, P2626, P2A06

Air fuel ratio (A/F) sensor

P0190

Fuel rail pressure sensor

P0225, P0226, P2120

Accelerator pedal sensor

P025B

Fuel pump control module (FPCM)

P0335

Crankshaft position sensor

P0340

Camshaft position sensor

P0409

High pressure EGR volume control valve control position 
sensor

P0470, P0471

Exhaust gas pressure sensor 1

P0530

Refrigerant pressure sensor

P0544, P2080

Exhaust gas temperature sensor 1

P060A, P060B, P061A, P062B, P160C, P160D, P1620

ECM

P0641, P0651, P0697

Sensor power supply

P1013

Intake manifold runner control valve position sensor

P1453, P2452

DPF pressure sensor

P1482, P1483

Exhaust throttle valve position sensor

P1486, P1489

Low pressure EGR volume control valve control position 
sensor

P1544

Exhaust gas temperature sensor 2

P1589

Neutral switch

P158A

Clutch switch

P1650

Thermoplunger control unit

P2226

Atmosphere pressure sensor

EC9-108

< ECU DIAGNOSIS INFORMATION >

[R9M]

ECM

DTC Index

INFOID:0000000010309005

2

P0001, P0002

High pressure supply pump (volumetric control valve)

P0045

Turbocharger boost control solenoid valve

P0200, P0201, P0202, P0203, P0204

Fuel injector

P025A

Fuel pump relay

P0403

High pressure EGR volume control valve

P0560

Battery voltage

P0627

Fuel pump relay

P0638, P2100, P2119

Electric throttle control actuator

P0657

ECM relay

P0833

Clutch pedal position switch

P1010, P1011, P1012

Intake manifold runner control valve

P1480, P1481

Exhaust electric throttle control actuator

P1484, P1485, P1487, P1488

Low pressure EGR volume control valve

P1512

Starter motor

P1641, P1642, P1643

Thermoplunger

P1655, P1656

Engine restart bypass relay

P2681

Engine coolant bypass valve

3

P0217, P1675

Engine over temperature (Overheat)

P0380

Glow control system

P0402, P0487, P0488

EGR system

P1525

ASCD system

P0564, P0575

ASCD steering switch

P148A

High pressure EGR volume control valve

P148B

Low pressure EGR volume control valve

P148C

Exhaust electric throttle control actuator

P1546, P2002

Diesel particulate filter

P2263

Turbocharger system

P2264

Water diesel detector

P2504

Alternator

P253F

Engine oil dilution

Priority

DTC

Detected items

DTC*

Items

(CONSULT screen terms) 

Trip

MI lighting up

Reference

Yellow

Red

U0111

LOST COMMUNICATION WITH BATTERY ENERGY 
FROM LIN

10

×

EC9-166

U0121

MLTIPLXD TRACTION CNTRL CONN

10

EC9-167

U0298

1

EC9-168

U0299

1

EC9-170

U0315

VEHICLE SPEED

1

EC9-172

U0415

MLTIPLXD TRACTION CNTRL CONN

3 or 10

EC9-173

B1900

1

EC9-174

B1901

1

EC9-176

B1902

1

EC9-178

ECM

EC9-109

< ECU DIAGNOSIS INFORMATION >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC9

N

P

O

B1903

1

EC9-180

B1904

1

EC9-182

P0001

FUEL FLOW REGULATOR CIRCUIT

3 or 10

×

EC9-183

P0002

FLOW CONTROL ADAPTIVE

3

×

EC9-185

P0016

COHER BTWN CSFT SEN/ENG SPD

3

×

EC9-188

P0045

TC SOLENOID VALVE CNTRL CIRC

3

×

EC9-190

P0095

AIR TEMP SEN/CIRC

3 or 10

×

EC9-192

P0100

AIR FLOW SENSOR CIRCUIT

3

×

EC9-194

P0101

AIR FLOW SENSOR INFORMATION

1

×

EC9-196

P0105

INLET MANIF PRS SEN CIRC

3

×

EC9-197

P0106

INLET PRESSURE CONSISTENCY

3

×

EC9-199

P0110

AIR TEMP SEN/CIRC

3

×

EC9-201

P0115

WATER TEMPERATURE SENSOR CIRC

3

×

EC9-203

P0120

INLET AIR FLAP POSITION SEN

3

×

EC9-205

P0135

PROPOR RICH SEN HEAT CIRC

10

EC9-207

P0190

RAIL PRESSURE SENSOR CIRCUIT

3

×

EC9-209

P0200

INJECTOR CONTROL CIRCUIT

10

×

EC9-211

P0201

CYLINDER 1 INJECTOR CIRC

3

×

 or —

×

 or —

EC9-213

P0202

CYLINDER 2 INJECTOR CIRC

3

×

 or —

×

 or —

EC9-213

P0203

CYLINDER 3 INJECTOR CIRC

3

×

 or —

×

 or —

EC9-213

P0204

CYLINDER 4 INJECTOR CIRC

3

×

 or —

×

 or —

EC9-213

P0217

ENGINE OVERHEATING

10

EC9-216

P0225

PEDAL POTENTIOMETER CIRCUIT TRACK 1

3

×

EC9-219

P0226

BRAKE/ACCELERATOR PEDAL POSITIONS

3 or 10

×

 or —

×

 or —

EC9-221

P025A

FUEL PUMP MODULE CONTROL CIRCUIT

2

EC9-221

P025B

FUEL PUMP MODULE CONTROL CIRCUIT

2

EC9-221

P0335

ENGINE SPEED SENSOR SIGNAL

3

×

EC9-227

P0340

CAMSHAFT SENSOR CIRCUIT

3

×

EC9-229

P0380

PREHEATING UNIT DIAG CONN

3

EC9-231

P0402

EGR VALVE JAMMED OPEN

3

×

EC9-234

P0403

EGR VLV CMD CIRC

3

EC9-236

P0409

EGR VALVE POSITION SEN CIRC

3

×

EC9-238

P0470

TBN UPSTR PRS SEN CIRC

3

×

EC9-240

P0471

PRS UPSTR OF TBN

3

×

EC9-242

P0487

EGR VLV CMD CIRC

1

×

EC9-244

P0488

EGR VALVE POSITION CNTRL

1 or 3

×

EC9-246

P0530

RFRG TEMP PRESS SEN VOLT

1

EC9-248

P0544

TBN UPSTR TEMP SEN CIRC

3

×

EC9-250

P0560

COMPUTER SUPPLY VOLTAGE

3

EC9-252

P0564

SL LMTR/CC FNC

1

EC9-253

P0575

CC/SL LMTR BUTTONS

1

EC9-255

P060A

1

EC9-257

P060B

1

×

EC9-257

DTC*

Items

(CONSULT screen terms) 

Trip

MI lighting up

Reference

Yellow

Red

EC9-110

< ECU DIAGNOSIS INFORMATION >

[R9M]

ECM

P061A

1 or 10

×

 or —

EC9-259

P0627

LOW PRES PMP REL CIRC

10

EC9-260

P062B

COMPUTER

3

×

EC9-262

P0638

INLET AIR FLAP POSITION CTRL

1 or 3

×

EC9-263

P0641

SEN SUPPLY N-1 VOL

3

×

EC9-265

P0651

SEN SUPPLY N-2 VOL

3

×

EC9-267

P0657

MAIN RELAY CONTROL CIRCUIT

10

EC9-269

P0697

SEN SUPPLY N-3 VOL

3

×

EC9-271

P0833

CLUTCH SWITCH SIGNAL CONSISTENCY

10

EC9-273

P1010

SWIRL FLAP

3

×

 or —

EC9-276

P1011

SWIRL FLAP CONTROL CIRCUIT

3

EC9-278

P1012

SWIRL FLAP

3

×

EC9-280

P1013

SWIRL FLAP POSITION SENSOR

3

EC9-282

P1453

DIFF. PRESSURE SENSOR CIRCUIT, PARTICLE FIL-
TER

3

×

EC9-284

P1480

EXHAUST AIR FLAP FUNCTION

3

×

EC9-286

P1481

EXHAUST E/THROTTLE CONT ACTUATOR

3

EC9-289

P1482

EXHAUST THROTTLE POSITION SENSOR

3

×

EC9-292

P1483

EXHAUST AIR FLAP OFFSET

3

×

EC9-294

P1484

LOW PRESSURE EGR VALVE

3

×

EC9-297

P1485

LOW PRESSURE EGR VALVE CIRCUIT

3

EC9-299

P1486

LOW PRESSURE EGR VALVE POSITION SENSOR

3

×

EC9-301

P1487

LOW PRESSURE EGR VALVE

3

×

EC9-303

P1488

LOW PRESSURE EGR VALVE

3

×

EC9-305

P1489

LOW PRESSURE EGR VALVE TEMPERATURE SEN-
SOR

1 or 3

EC9-307

P148A

HIGH PRESSURE EGR VALVE FUNCTION

3

EC9-307

P148B

LOW PRESSURE EGR VALVE FUNCTION

3

EC9-307

P148C

EXHAUST AIR FLAP FUNCTION

3

EC9-307

P1503

CONTROLLED AIR VENTS INFORMATION

10

EC9-307

P1512

STARTER

1

EC9-307

P1525

CONSISTENT MULTIPLEX SIGNALS FOR CC/SL

1

EC9-320

P1544

TEMP SEN UPSTREAM OF PF

3

×

 or —

×

 or —

EC9-321

P1546

TEMP. UPSTREAM OF PF

10

×

EC9-324

P1589

GEAR BOX NEUTRAL CONTACTOR

10

EC9-324

P158A

END STROKE CLUTCH CONTACTOR

1

EC9-331

P160C

COMPUTER

3

×

EC9-333

P160D

COMPUTER

10

×

EC9-333

P1620

PROPOR RICH SEN FNC

10

EC9-334

P1641

THMPR 1 RLY C/CIR

10

EC9-336

P1642

THMPR 2 RLY C/CIR

10

EC9-339

P1643

THMPR 3 RLY C/CIR

10

EC9-342

P1650

STR MTR RELAY 2

1

EC9-345

P1655

ENGINE RESTART BYPASS RELAY

1

EC9-348

DTC*

Items

(CONSULT screen terms) 

Trip

MI lighting up

Reference

Yellow

Red

ECM

EC9-111

< ECU DIAGNOSIS INFORMATION >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC9

N

P

O

*: This number is prescribed by SAE J2012/ISO 15031-6.

P1656

ENGINE RESTART BYPASS RELAY

1 or 10

EC9-352

P1675

1

EC9-356

P2002

PARTICLE FILTER

1 or 2 or 3

×

 or —

×

 or —

EC9-359

P2080

TBN DOWNS TEMP REG

3

×

EC9-361

P2100

INLET AIR FLAP CIRCUIT

3

×

EC9-362

P2119

AIR INLET FLAP

3

×

EC9-364

P2120

PEDAL POTENTIOMETER CIRCUIT TRACK 2

3

×

EC9-365

P2226

ATMOS PRESS SEN

3

×

EC9-367

P2243

PROPOR RICH SEN CIRC

10

EC9-368

P2244

PROPOR RICH SEN CIRC

10

EC9-370

P2263

BOOST PRESSURE CIRCUIT

1

×

EC9-372

P2264

WATER IN DIESEL DETECTOR

10

EC9-374

P2452

P/FLT DIFF PRS SEN

3

×

EC9-376

P2504

CHARGING SYSTEM VOLTAGE

10

×

EC9-378

P253F

ENG OIL DILUTION

3

×

EC9-379

P2626

PROPOR RICH SEN CIRC

10

EC9-380

P2681

COOLANT CIRC SWITCHING S/V

10

×

 or —

EC9-382

P2A06

PROPOR RICH SEN CIRC

10

EC9-385

DTC*

Items

(CONSULT screen terms) 

Trip

MI lighting up

Reference

Yellow

Red

EC9-112

< ECU DIAGNOSIS INFORMATION >

[R9M]

DC/DC CONVERTER

DC/DC CONVERTER

Reference Value

INFOID:0000000010309010

TERMINAL LAYOUT

PHYSICAL VALUES

NOTE:
• DC/DC converter is located behind the glove upper box assembly. For this inspection, remove passenger

side instrument lower panel.

• Specification data are reference values and are measured between each terminal and ground.
• Pulse signal is measured by CONSULT.

JSBIA5036GB

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

Signal name

Input/

Output

1

(LG)

2

(B)

Power supply input 1

Input

[Ignition switch: OFF]

9 - 13 V

2

(B)

Ground

3

(L)

2

(B)

Power supply input 2

Input

[Ignition switch: OFF]

9 - 13 V

4

(G)

2

(B)

Power supply output 1

Output

[Stop/start system operate]
• While cranking of restart

12 V

Except above

9 - 13 V

6

(W)

2

(B)

Power supply output 2

Output

[Stop/start system operate]
• While cranking of restart

12 V

Except above

9 - 13 V

7

(SB)

2

(B)

Engine communication line

Input/

Output

[Ignition switch: ON]

 0 - 12 V

9

(LG)

2

(B)

Voltage stabilizer signal

Input

[Stop/start system operates]
• While cranking of restart

 Less than 2 V

Except above

Battery voltage

JPBIA4273ZZ

JSBIA5055GB

DC/DC CONVERTER

EC9-113

< ECU DIAGNOSIS INFORMATION >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC9

N

P

O

: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)

10

(R)

2

(B)

Ignition signal

Input

[Ignition switch: ON]

9 - 13 V

[Ignition switch: OFF]

0 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

Signal name

Input/

Output

 

 

 

 

 

 

 

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