Qashqai J11. Engine control system (R9M)

DIAGNOSIS SYSTEM (ECM)

EC9-81

< SYSTEM DESCRIPTION >

[R9M]

EC9

1ST IN VAL CLOS PR

NOT DONE/

DONE/INAC-

TIVE

—

CC/SL CONN AUTHR

INACTIVE/AC-

TIVE

—

CC CONT INHI INJ

NO/YES/INAC-

TIVE

—

SL INHI SYS INJ

NO/YES/INAC-

TIVE

—

COMBUSTION MODE SET

NORMAL/

STATUS1/

STAT2/STAT3/

STAT4/INAC-

TIVE

—

COMBUSTION MODE

NORMAL/

STATUS1/

STAT2/STAT3/

STAT4/INAC-

TIVE

—

LOW PRESSURE EGR VALVE
PROGRAMMING

NOT DONE/

DONE//INAC-

TIVE

—

EXHAUST FLAP HIGH SET-
TING

NOT

LEARNED/

LEARNED/IN-

ACTIVE

—

EXHAUST AIR FLAP PRO-
GRAMMING

NOT DONE/

DONE/INAC-

TIVE

—

SPEED LIMITER

LIMIT/INAC-

TIVE

—

STOP WARNING LIGHT

YES/NO/INAC-

TIVE

—

CL START OF TRAVEL SW

RELSD/

PRESSED/IN-

ACTIVE

—

SPEED LIMITER FUNCTION

NOT DETECT-

ED/DETECT-

ED/NOT

DEFINED

—

CRUISE CONTROL FUNCTION

WITHOUT/

WITH/INAC-

TIVE

—

CC/SL LMTR BUTTONS

WITHOUT/

WITH/INAC-

TIVE

—

ACC. PDL DETECT BLOCK

NO/YES

—

CLUTCH START OF TRAVEL
SWITCH

NO PRS/

PRESSED/IN-

VALID/INAC-

TIVE

—

CLUTCH END OF TRAVEL
SWITCH

NO PRS/

PRESSED/RE-

SERVED/IN-

VALID/

INACTIVE

—

Monitor item

Unit

Description

Remarks

EC9-82

< SYSTEM DESCRIPTION >

[R9M]

DIAGNOSIS SYSTEM (ECM)

SWIRL/F CLOSED POS LEARN

NOT DONE/

DONE//INAC-

TIVE

—

INJECTION PROTECTION

NOT PRO-

TECTED/

STAT2/STAT3/

INACTIVE/

STATUS1/

STAT4/INDE-

TERMINATE

—

A/C COMMAND

NOT DETECT-

ED/DETECT-

ED/INACTIVE

—

ACCELERATED IDLE RE-
QUEST

INACTIVE/ac-

tive/

—

PREHEATER LIGHT

EXTING/IL-
LUM/INAC-

TIVE

—

RECYC EXGAS COOLING

INACTIVE/AC-

TIVE

—

TURB ELEC WTR PMP CMND

ACTIVE/INAC-

TIVE

—

EXHAUST INJ S/V COMMAND

INACTIVE/AC-

TIVE

—

SWIRL/F OPEN POS LEARN

NOT DONE/

DONE/INAC-

TIVE

—

INJ ERROR FIND PROCEDRE

1.DEF/2.DEF/

INACTIVE

—

COMP + AFTER IGNITION

PRESENT/IN-

ACTIVE

—

COMP + AFTER IGNITION

PRESENT/IN-

ACTIVE

—

COMP + AFTER IGNITION

PRESENT/IN-

ACTIVE

—

COMP + AFTER IGNITION

PRESENT/IN-

ACTIVE

—

COMP + AFTER IGNITION

PRESENT/IN-

ACTIVE

—

COMP + AFTER IGNITION

PRESENT/IN-

ACTIVE

—

COMP + AFTER IGNITION

PRESENT/IN-

ACTIVE

—

COMP + AFTER IGNITION

PRESENT/IN-

ACTIVE

—

COMP + AFTER IGNITION

PRESENT/IN-

ACTIVE

—

COMP + AFTER IGNITION

PRESENT/IN-

ACTIVE

—

COMP + AFTER IGNITION

PRESENT/IN-

ACTIVE

—

COMP + AFTER IGNITION

PRESENT/IN-

ACTIVE

—

COMP + AFTER IGNITION

PRESENT/IN-

ACTIVE

—

Monitor item

Unit

Description

Remarks

DIAGNOSIS SYSTEM (ECM)

EC9-83

< SYSTEM DESCRIPTION >

[R9M]

EC9

NOTE:

Any monitored item that does not match the vehicle being diagnosed is deleted from the display automatically.

WORK SUPPORT MODE

Work Item

COMP + AFTER IGNITION

PRESENT/IN-

ACTIVE

—

STRT OPRTN CNTR

count

Starter motor operation counter is displayed.

Indicated multiplica-
tion value of thestart-
er motor operation of
key switch operatio-
nand the restart.

Monitor item

Unit

Description

Remarks

Work item

Description

Usage

WRITE SAVED DATA

In this mode, write data stored by “SAVE COMPUTER DATA” in
work support mode to ECM.

When ECM is replaced.

ENTER INJECTOR CODES

In this mode, fuel injector adjustment value is registered.

• When ECM is replaced.

• When fuel injector(s) is re-

placed.

SAVE COMPUTER DATA

In this mode, save data that is in ECM.

When ECM is replaced.

PARTICLE FILTER REGEN-
ERATION

In this mode, service regeneration is performed.

• When ECM is replaced.

• ECM enter fail-safe mode be-

cause the amount of particulate
matter in DPF reaches the
specified level.

• Component inspection for DPF

is performed.

CYLINDER FUNCTION
FAULT FINDING

—

High pressure fuel circuit fault
finding

This function can perform high pressure fuel pressure check.

When performing high pressure
fuel system check.

AFTER DPF REPLACE-
MENT

In this mode, estimated PM amount in DPF is cleared.

When DPF is replaced.

AFTER DPF REGENERA-
TION

In this mode, estimated PM amount in DPF is cleared.

When DPF is regenerated.

ENGINE OIL OXIDATION
DATA RESET

In this mode, engine oil oxidation data is cleared.

• When engine oil is changed.
• When engine assembly is re-

placed.

ENGINE OIL DILUTION
DATA RESET

In this mode, engine oil dilution data is cleared.

• When engine oil is changed.
• When engine assembly is re-

placed.

VIN REGISTRATION

In this mode, VIN is registered in ECM.

When registering VIN in ECM.

EGR VALVE PROGRAM-
MING

—

FLYWHL TGT PG

—

PRPR RICH SEN PROG

—

EXHAUST THROTTLE
VALVE PROGRAMMING

—

SWIRL FLAP PROGRAM-
MING

—

TURBOCHARGER PRO-
GRAMMING

—

ADAPTIVES ON ETC ACTU-
ATOR MALFUNCTION

—

EC9-84

< SYSTEM DESCRIPTION >

[R9M]

DIAGNOSIS SYSTEM (ECM)

AIR FLOW METER PRO-
GRAMMING

—

MANIFOLD PRESSURE
SENSOR PROGRAMMING

—

DIFF EXH PRES. SEN

—

LOW PRESSURE EGR
VALVE PROGRAMMING

—

ENGINE ADAPTIVES

—

SWIRL FLAP

—

RAIL PRS SEN ADAPTIVES

—

NUMBER OF STARTING CY-
CLES

—

INJECTION PUMP ADAP-
TIVES

—

FUEL SPLY PREV

—

H/P FUEL PUMP INITIAL
STARTS COUNTER RESET

In this mode, high pressure fuel pump initial starts counter is
cleared.

When high pressure fuel pump is
replaced.

H/P FUEL PUMP TOTAL
STARTS COUNTER RESET

In this mode, high pressure fuel pump total starts counter is
cleared.

When high pressure fuel pump is
replaced.

WRITE V.I.N.

—

(TBD)CYLINDER NO. 1 IN-
JECTOR CODE

—

(TBD)CYLINDER NO. 2 IN-
JECTOR CODE

—

(TBD)CYLINDER NO. 3 IN-
JECTOR CODE

—

(TBD)CYLINDER NO. 4 IN-
JECTOR CODE

—

NUMBER OF STARTING 1

—

NUMBER OF STARTING 2

—

NUMBER OF STARTING 3

—

NUMBER OF STARTING 4

—

FUEL PUMP PROGRAM-
MING

—

ADAPTIVES ON AIR INTAKE
FLAP MALFUNCTION

—

AIR DAMPER VALVE PRO-
GRAMMING(R088)

—

EXHAUST FLAP LOW SET-
TING

—

INJECTION PUMP ADAPTA-
TIVES

—

RAIL PRESSURE SENSOR
ADAPTIVES

—

DPF RELATIVE PRESSURE
SENSOR

—

P/FLT DIFF PRS SEN

—

BYPASS SOLENOID VALVE
FOR HP TURBINE COMPO-
NENT

—

Work item

Description

Usage

DIAGNOSIS SYSTEM (ECM)

EC9-85

< SYSTEM DESCRIPTION >

[R9M]

EC9

*: The necessary operation is different depending on the operation result of ECM data save or write. Always
perform the operation according to procedures. Refer to

EC9-144, "Description"

ACTIVE TEST MODE

AIR DAMPER VALVE PRO-
GRAMMING(R044)

—

CABIN FILTER REGENERA-
TION

—

SPEED LIMITER

—

FAST IDLE SPEED MODIFI-
CATION

—

ADAPTIVES AFTER RE-
PLACING CABIN FILTER

—

ADAPTIVES AFTER RE-
GENERATING PF

—

INTERVAL OF OIL CHANGE
(OCS) OXIDATION

—

OIL CHANGE INTERVAL
(OCS): DILUTION

—

TEST ROUTINE FOR UDS
IMPLEMENTATION VALIDA-
TION

—

DAIMLER COMPRESSION
TEST

—

VVT AFTER SALES

—

IDLE SPEED TARGET TUN-
ING FUNCTION (INCREAS-
ING)

—

IDLE SPEED TARGET TUN-
ING FUNCTION (DECREAS-
ING)

—

FAP REGENERATION

—

EXHAUST FUEL INJECTOR
LEAKAGE

—

UPSTREAM LAMBDA SEN-
SOR

—

RAIL PRESSURE TEST

—

RUN-UP TEST

—

STATIC TEST

—

FUEL FEED INHIBITION

—

DAIMLERIMMOBILIZER
FBS3 END OF LINE

—

IMMOBILIZER FBS3 AFTER
SALES

—

STARTER OPERATION
COUNTER CLEAR

Cumulative number of engine starts, for starter reliability is
cleared.

When Starter Motor is replaced.

Work item

Description

Usage

EC9-86

< SYSTEM DESCRIPTION >

[R9M]

DIAGNOSIS SYSTEM (ECM)

Test item

Condition

Judgment

Check item (Remedy)

TURBOCHARGING
SOLENOID VALVE

• Ignition switch: ON
• Turn turbocharger boost control

solenoid valve ON and OFF with
the CONSULT and listen to opera-
tion sound.

Turbocharger boost control sole-
noid valve makes an operating
sound.

• Harness and connector
• Turbocharger boost control sole-

noid valve

AIR INLET FLAP

• Ignition switch: ON
• Turn throttle control motor ON and

OFF with the CONSULT and con-
firm the operation.

Throttle valve is operated.

• Harness and connector
• Electric throttle control actuator

THERMOPLNGR
RLY N1

—

THERMOPLNGR
RLY N2

—

THERMOPLNGER
3 RLY

—

PREHEATER RLY

—

EGR VALVE

• Ignition switch: ON
• Turn high pressure EGR volume

control valve ON and OFF with the
CONSULT and confirm the opera-
tion.

High pressure EGR volume con-
trol valve is operated.

• Harness and connector
• High pressure EGR volume con-

trol valve

PUMP PRESSURE
REGULATOR

—

SWIRL FLAP

• Ignition switch: ON
• Turn swirl control motor ON and

OFF with the CONSULT and con-
firm the operation.

Intake manifold runner control
valve is operated.

• Harness and connector
• Intake manifold runner control

valve

CONTROLLED CL
THERMOS

—

FUEL PUMP

• Ignition switch: ON
• Turn fuel flow actuator ON and

OFF with the CONSULT and listen
to operation sound.

Fuel flow actuator makes an oper-
ating sound.

• Harness and connector
• Fuel pump

EXHAUST E/
THROTTLE CON-
TROL ACTUATOR

• Ignition switch: ON
• Turn exhaust throttle control mo-

tor ON and OFF with the CON-
SULT and confirm the operation.

Exhaust throttle valve is operated.

• Harness and connector
• Exhaust electric throttle control

actuator

LOW PRESSURE
EGR VALVE

• Ignition switch: ON
• Turn low pressure EGR volume

control valve ON and OFF with the
CONSULT and confirm the opera-
tion.

Low pressure EGR volume con-
trol valve is operated.

• Harness and connector
• Low pressure EGR volume con-

trol valve

HEATER DRIVER
PWM DUTY CYCLE

—

VOLUME FLOW
ACTUATOR PWM
COMMAND

—

FAN 2 ACTIVATION

—

FAN 1 ACTIVATION

—

5TH INJECTOR
PWM COMMAND

—

RAIL PRESSURE
SETPOINT

—

DIAGNOSIS SYSTEM (ECM)

EC9-87

< SYSTEM DESCRIPTION >

[R9M]

EC9

SWIRL THROTTLE
POSITION SET-
POINT USED BY
THE MONITORING
SYSTEM

—

EGR BP VALVE
CONTROL SET-
POINT USED BY
THE MONITORING
SYSTEM

—

ET THROTTLE PO-
SITION USED BY
THE MONITORING
SYSTEM

—

TURBO WATER
COOLING PUMP
COMMAND

—

EGR COOLING BY-
PASS PWM COM-
MAND

—

EGR VALVE POSI-
TION SETPOINT

—

INLET THROTTLE
POSITION SET-
POINT

—

BOOST PRESURE
PWM COMMAND

—

FLOW WATER
VALVE COMMAND
OF WATER SYS-
TEM

—

WIRE PTC3 ORDER

—

WIRE PTC2 ORDER

—

WIRE PTC1 ORDER

—

HEATING GLOW
PLUGS PWM COM-
MAND

—

IDLE ENGINE
SPEED SETPOINT

—

AIR CONDITION-
ING STATE

—

THERMOPLUNG-
ERS COMMAND
STATE

—

Test item

Condition

Judgment

Check item (Remedy)

EC9-88

< SYSTEM DESCRIPTION >

[R9M]

DIAGNOSIS SYSTEM (ECM)

CONFIGURATION

FUEL INJECTORS

—

AUTO STOP START

• Engine: After warming up, run en-

gine at idle.

• Selector lever position: P or N

(CVT)

• Gear position: Neutral (M/T)
• Stop/Start OFF switch: ON (indi-

cator lamp is ON)

CAUTION:

Be careful so that a hood opera-
tions in the opened state when
carry out the work.
NOTE:
Before performing this test, be sure
to check that OK is displayed on
BATTERY STATUS in DATA MONI-
TOR of IPDM E/R because this func-
tion may not be operate when the
battery condition is not satisfied.

Stop/Start system operates nor-
mally. (Engine stop/Restart)

Stop/Start system component parts

Test item

Condition

Judgment

Check item (Remedy)

Function

Description

SPEED LIMITER FUNCTION

This function stores the information to ECM that the vehicle is equipped with Speed
Limiter.

CRUISE CONTROL FUNCTION

This function stores the information to ECM that the vehicle is equipped with Cruise
Control System.

CC/SL LMTR BUTTONS

This function stores the information to ECM that the vehicle is equipped with ASCD/
speed limiter main switch.

ECM

EC9-89

< ECU DIAGNOSIS INFORMATION >

[R9M]

EC9

ECU DIAGNOSIS INFORMATION

ECM

Reference Value

INFOID:0000000010309002

TERMINAL LAYOUT

PHYSICAL VALUES

NOTE:
• ECM is located near the battery in the engine room.
• Specification data are reference values and are measured between each terminal and ground.
• Pulse signal is measured by CONSULT.

JSBIA5034GB

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

−

Signal name

Input/

Output

(L)

—

CAN communication line
(CAN-H)

Input/

Output

—

(P)

—

CAN communication line
(CAN-L)

Input/

Output

—

(SB)

(B)

ASCD MAIN switch

Input

[Ignition switch: ON]
ASCD MAIN switch: OFF

0 V

[Ignition switch: ON]
ASCD MAIN switch: ON

Battery voltage

(11 - 14 V)

(V)

(B)

Clutch interlock switch

Input

[Ignition switch: ON]
• Engine stopped
• Clutch pedal: Fully released

0 V

[Ignition switch: ON]
• Engine stopped
• Clutch pedal: Fully depressed

BATTERY VOLTAGE

(11 - 14 V)

(R)

(B)

Clutch pedal position switch

Input

[Ignition switch: ON]
• Clutch pedal: Fully released

0 V

[Ignition switch: ON]
• Clutch pedal: Fully depressed

11.25 V

(V)

(B)

Speed limiter MAIN switch

Input

[Ignition switch: ON]
Speed limiter MAIN switch: OFF

0 V

[Ignition switch: ON]
Speed limiter MAIN switch: ON

Battery voltage

(11 - 14 V)

(G)

(B)

Fuel pump control module
(diagnosis)

Input

[Ignition switch: ON]

11.0 V

(BR)

(B)

Fuel pump control module
(command)

Output

[Ignition switch: ON]
Fuel pump not activates

0.05 V

(PWM duty: less than 14%)

[Ignition switch: ON]
Fuel pump activated

0 – 6.74 V

(PWM duty: Approx. 69%)

EC9-90

< ECU DIAGNOSIS INFORMATION >

[R9M]

ECM

(BR)

—

Sensor ground
(ASCD steering switch)

—

(G)

(BR)

ASCD steering switch

Input

[Ignition switch: ON]
• ASCD steering switch: OFF

4 V

[Ignition switch: ON]
• CANCEL switch: Pressed

1 V

[Ignition switch: ON]
• RES/+ switch: Pressed

3 V

[Ignition switch: ON]
• SET/

−

switch: Pressed

2 V

(LG)

(B)

Ignition switch

Input

[Ignition switch: ON]

11.87 V

(R)

(BG)

(B)

Stop lamp switch

Input

[Ignition switch: OFF]
• Brake pedal: Fully released

0 V

[Ignition switch: OFF]
• Brake pedal: Slightly de-

pressed

11.83 V

(P)

—

Sensor ground
(Accelerator pedal position
sensor 2)

—

(V)

(P)

Accelerator pedal position
sensor 2

Input

[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully re-

leased

0.38 V

[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully de-

pressed

0.27 V

(L)

(P)

Sensor power supply
(Accelerator pedal position
sensor 2)

—

[Ignition switch: ON]

5 V

(L)

(B)

Fuel heater and water in fuel
sensor

Input

[Ignition switch: ON]

11.69 V

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

14.0 V

(B)

—

ECM ground

—

(G)

(Y)

Sensor power supply
(Accelerator pedal position
sensor 1)

—

[Ignition switch: ON]

5 V

(G)

(B)

Power supply for ECM

Input

[Ignition switch: OFF]

0 V

[Ignition switch: ON]

BATTERY VOLTAGE

(11 - 14 V)

(B)

—

ECM ground

—

(Y)

—

Sensor ground
(Accelerator pedal position
sensor 1)

—

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

−

Signal name

Input/

Output

ECM

EC9-91

< ECU DIAGNOSIS INFORMATION >

[R9M]

EC9

(W)

(Y)

Accelerator pedal position
sensor 1

Input

[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully re-

leased

0.74 V

[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully de-

pressed

4.54 V

(B)

—

ECM ground

—

(R)

(B)

Glow plug control (com-
mand)

Output

[Engine is running]
• Engine coolant temperature:

less than 20

C (68

• Idle speed

12.91 V

[Engine is running]
• Engine coolant temperature:

more than 80

C (176

• Idle speed

12.8 V

(LG)

(B)

Voltage stabilizer signal

Output

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

(While operating the starter mo-

tor)

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

Battery voltage

[Ignition switch: ON]

12.39 V

(GR)

(B)

Fuel pump relay control

Output

[Ignition switch: ON]
• Fuel Pump relay always is on

0 – 5.17 V

(G)

(B)

ECM relay
(Self shut-off)

Output

[Engine is running]
[Ignition switch: OFF]
• A few seconds after turning ig-

nition switch OFF

0.78 V

[Ignition switch: OFF]
• More than a few seconds after

turning ignition switch OFF

12.42 V

(Y)

(B)

Restart relay

Output

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

0 V

(While operating the starter mo-

tor)

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

11.38 V

(R)

(B)

Fuel flow actuator

Output

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

9.6 V

(P)

(B)

Thermoplunger relay 2

Output

[Engine is running]
During diesel particulate filter re-
generation mode

0 V

[Engine is running]
Except above

13.20 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

−

Signal name

Input/

Output

JSBIA5055GB

EC9-92

< ECU DIAGNOSIS INFORMATION >

[R9M]

ECM

(G)

(B)

Intake manifold runner con-
trol valve motor (-)

Output

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

14.43 V

(BG)

(B)

Thermoplunger relay 1

Output

[Engine is running]
During diesel particulate filter re-
generation mode

0 V

[Engine is running]
Except above

13.68 V

(Y)

(B)

Engine coolant bypass con-
trol solenoid valve

Output

[Engine is running]
Engine cooling temperature:
70

C (158

F) or more

14.42 V

[Engine is running]
Engine coolant temperature:
less than 30

C (86

14.42 V

(V)

(B)

Sensor power supply
(Camshaft position sensor,
Low pressure EGR volume
control valve position sen-
sor, Fuel pressure sensor)

—

[Ignition switch: ON]

5 V

(B)

Crankshaft position sensor

Input

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

NOTE:
The pulse cycle changes de-
pending on rpm at idle

[Engine is running]
• Engine speed: 2,000 rpm

(SB)

(B)

Thermoplunger relay 3

Output

[Engine is running]
During diesel particulate filter re-
generation mode

0 V

[Engine is running]
Except above

13.67 V

(Y)

(B)

Sensor power supply
(Turbocharger boost sensor,
mass air flow sensor)

—

[Ignition switch: ON]

5.0 V

(R)

(B)

Sensor power supply
(Crankshaft position sensor)

—

[Ignition switch: ON]

5.0 V

(LG)

(B)

Thermoplunger diagnosis 1

Input

[Engine is running]
• Idle speed
• No malfunction in ther-

moplunger system.

13.97 V

(SB)

—

Sensor ground
(Low pressure EGR volume
control valve position sen-
sor)

—

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

−

Signal name

Input/

Output

JSBIA4815ZZ

JSBIA4816ZZ

ECM

EC9-93

< ECU DIAGNOSIS INFORMATION >

[R9M]

EC9

(SB)

—

Sensor ground
(Fuel pressure sensor)

—

(W)

—

Glow plug control unit (diag-
nosis)

Input

[Engine is running]
• Idle speed
• No malfunction in glow control

system.

1.50 V

(G)

(B)

Engine communication line

Input/

Output

[Ignition switch: ON]

(L)

(B)

Low pressure EGR control
valve position sensor

Input

Ignition switch: ON

1.21 V

Output voltage varies with low

pressure EGR control valve po-

sition.

(Y)

—

Sensor ground
(Camshaft position sensor)

—

(L)

(Y)

Camshaft position sensor

Input

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

NOTE:
The pulse cycle changes de-
pending on rpm at idle

[Engine is running]
• Engine speed is 2,000 rpm

(GR)

—

Sensor ground
(Fuel rail pressure sensor)

—

(R)

(G)

Intake air temperature sen-
sor 1

Input

[Engine is running]
• Warm-up condition

2.38 V

Output voltage varies with intake

air temperature.

(Y)

(B)

Thermoplunger diagnosis 2

Input

[Engine is running]
• Idle speed
• No malfunction in ther-

moplunger system.

13.9 V

(BR)

(SB)

Fuel rail pressure sensor

Input

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

1.13 V

[Engine is running]
• Warm-up condition
• Revving engine from idle to

2,000 rpm quickly

1.77 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

−

Signal name

Input/

Output

JSBIA4817ZZ

JSBIA4818ZZ

JSBIA4819ZZ

EC9-94

< ECU DIAGNOSIS INFORMATION >

[R9M]

ECM

(P)

(G)

Mass air flow sensor

Input

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

4.49 V

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

4.58 V

(W)

(B)

Reverse/Neutral position
switch (M/T)
Transmission range switch
(CVT)

Input

[Ignition switch: ON]
• Selector lever: N or P (CVT)
• Shift lever: Neutral (M/T)

Battery voltage

[Ignition switch: ON]
• Selector lever or shift lever:

Except above

0 V

(L)

—

Sensor ground
(Turbocharger boost sensor,
Intake air temperature sen-
sor 2)

—

(G)

—

Sensor ground
(Mass air flow sensor)

—

(V)

(L)

Turbocharger boost sensor

Input

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

1.17 V

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

1.15 V

(R)

(L)

Intake air temperature sen-
sor 2

Input

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

2.33 V

Output voltage varies with intake

air temperature.

(W)

(SB)

Fuel pressure sensor

Input

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

1.13 V

[Engine is running]
• Warm-up condition
• Revving engine from idle to

2,000 rpm quickly

1.77 V

(BR)

(B)

A/F sensor heater

Input

[Engine is running]
After the vehicles is driven for 6
minutes under the following con-
ditions
• Warm-up condition
• Vehicle speed: 80 km/h (50

MPH) or more

• Shift lever: Suitable gear posi-

tion

(G)

(GR)

Sensor power supply
(Fuel rail pressure sensor)

—

[Ignition switch: ON]

5.0 V

(B)

Fuel heater relay control

Output

[Ignition switch: ON]
• Fuel temperature: less than

C (113

0.05 V

[Engine is running]
• Warm-up condition
• Fuel temperature: 65

(149

F) or more

14.43 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

−

Signal name

Input/

Output

JSBIA4820ZZ

ECM

EC9-95

< ECU DIAGNOSIS INFORMATION >

[R9M]

EC9

(R)

(B)

Power supply for ECM
(back-up)

Input

[Ignition switch: OFF]

0 V

[Ignition switch: ON]

BATTERY VOLTAGE

(11 - 14 V)

(P)

(L)

Fuel pump temperature sen-
sor

Input

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

2.22 V

Output voltage varies with fuel

temperature.

(L)

141

(V)

Sensor power supply
(Refrigerant pressure sen-
sor)

—

[Ignition switch: ON]

5.0 V

100

(R)

117

(Y)

Sensor power supply
(DPF differential pressure
sensor)

—

[Ignition switch: ON]

5.0 V

102

(G)

—

Sensor ground
(Fuel pump temperature
sensor)

—

103

(GR)

—

Sensor ground
(Electric throttle control
valve position sensor)

—

104

(LG)

117

(Y)

Sensor power supply
(Exhaust throttle valve posi-
tion sensor)

—

[Ignition switch: ON]

5.0 V

105

(LG)

109

(V)

Exhaust gas temperature
sensor 2

Input

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

4.16 V

Output voltage varies with ex-

haust gas temperature.

106

(BG)

110

(L)

High pressure EGR volume
control valve control position
sensor

Input

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

0.73 V

107

(Y)

103

(GR)

Throttle position sensor

Input

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

0 – 4.45 V

Output voltage fluctuates be-

tween 0 V and 4.0 V.

108

(R)

110

(L)

Sensor power supply
(High pressure EGR volume
control valve control position
sensor)

—

[Ignition switch: ON]

5.0 V

109

(V)

—

Sensor ground
(Exhaust gas temperature
sensor 2)

—

110

(L)

—

Sensor ground
(High pressure EGR volume
control valve control position
sensor)

—

112

(LG)

125
(W)

Sensor power supply
(Intake manifold runner con-
trol valve position sensor)

—

[Ignition switch: ON]

5.0 V

113

(R)

117

(Y)

Exhaust throttle position
sensor

Input

Ignition switch: ON

4.02 V

115

(V)

116

(SB)

A/F sensor voltage nernst 1

Input

[Engine is running]
• Warm-up condition

0.01 - 0.28 V

116

(SB)

—

Sensor ground
[Air fuel ratio (A/F) sensor 1]

—

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

−

Signal name

Input/

Output

EC9-96

< ECU DIAGNOSIS INFORMATION >

[R9M]

ECM

117

(Y)

—

Sensor ground
(Exhaust throttle position
sensor)

—

119

(BR)

116

(SB)

A/F sensor current pump 1

Input

[Engine is running]
• Warm-up condition

0.01 - 0.11 V

121

(L)

125
(W)

Intake manifold runner con-
trol valve position sensor

Input

Ignition switch: ON

4.42 V

122

(Y)

117

(Y)

DPF differential pressure
sensor

Input

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

0.52 V

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

0.55 V

125
(W)

—

Sensor ground
(Intake manifold runner con-
trol valve position sensor)

—

126
(W)

—

Sensor ground
(Exhaust gas pressure sen-
sor)

—

129

(P)

(B)

Engine coolant temperature
sensor

Input

Engine coolant temperature:
25

C (77

2.89 V

Engine coolant temperature:
80

C (176

0.84 V

132

(BR)

147

(GR)

Exhaust electric throttle con-
trol motor (+)

Output

[Engine is running]
• Engine coolant temperature:

more than 70

C (158

• Intake air temperature: more

than 20

C (68

• Idle speed

133

(B)

Sensor power supply
(Engine coolant temperature
sensor)

—

[Ignition switch: ON]

5.0 V

134

(R)

—

Sensor ground
(Exhaust gas temperature
sensor 1)

—

136

(P)

(B)

Low pressure EGR volume
control valve motor (-)

Output

[Engine is running]
• Engine coolant temperature:

more than 70

C (158

• Intake air temperature: more

than 20

C (68

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

137

(SB)

141

(V)

Refrigerant pressure sensor

Input

[Engine is running]
• Warm-up condition
• Both A/C switch and blower

fan switch: ON (Compressor
operates)

1.52 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

−

Signal name

Input/

Output

JSBIA4821ZZ

JSBIA4822ZZ

Qashqai J11. Engine control system (R9M) - part 6