Nissan Versa Sedan. Manual - part 268

ECM

EC-71

< ECU DIAGNOSIS INFORMATION >

[HR16DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

EVAP SYS PRES

• Ignition switch: ON

Approx. 1.8 - 4.8 V

FUEL LEVEL SE

• Ignition switch: ON

Depending on fuel level of 
fuel tank

START SIGNAL

• Ignition switch: ON 

→ START → ON

OFF 

→ ON → OFF

CLSD THL POS

• Ignition switch: ON

(Engine stopped)

Accelerator pedal: Fully released

ON

Accelerator pedal: Slightly depressed

OFF

AIR COND SIG

• Engine: After warming up, idle 

the engine

Air conditioner switch: OFF

OFF

Air conditioner switch: ON
(Compressor operates.)

ON

PW/ST SIGNAL

• Engine: After warming up, idle 

the engine

Steering wheel: Not being turned

OFF

Steering wheel: Being turned

ON

LOAD SIGNAL

• Ignition switch: ON

Rear window defogger switch: ON
and/or
Lighting switch: 2nd position

ON

Rear window defogger switch and lighting 
switch: OFF

OFF

IGNITION SW

• Ignition switch: ON 

→ OFF → ON

ON 

→ OFF → ON

HEATER FAN SW

• Engine: After warming up, idle 

the engine

Heater fan switch: ON

ON

Heater fan switch: OFF

OFF

BRAKE SW

• Ignition switch: ON

Brake pedal: Fully released

OFF

Brake pedal: Slightly depressed

ON

INJ PULSE-B1

• Engine: After warming up
• Selector lever position: P or N (A/

T or CVT) or Neutral (M/T)

• Air conditioner switch: OFF
• No  load

Idle

2.0 - 3.0 msec

2,000 rpm

1.9 - 2.9 msec

IGN TIMING

• Engine: After warming up
• Selector lever position: P or N (A/

T or CVT) or Neutral (M/T)

• Air conditioner switch: OFF
• No  load

Idle

4

°BTDC (A/T or CVT)

10

°BTDC (M/T)

2,000 rpm

25

° - 45°BTDC

CAL/LD VALUE

• Engine: After warming up
• Selector lever position: P or N (A/

T or CVT) or Neutral (M/T)

• Air conditioner switch: OFF
• No  load

Idle

10% - 35%

2,500 rpm

10% - 35%

MASS AIRFLOW

• Engine: After warming up
• Selector lever position: P or N (A/

T or CVT) or Neutral (M/T)

• Air conditioner switch: OFF
• No  load

Idle

0.8 - 4.0 g/s

2,500 rpm

2.0 - 10.0 g/s

PURG VOL C/V

• Engine: After warming up
• Selector lever position: P or N (A/

T or CVT) or Neutral (M/T)

• Air conditioner switch: OFF
• No  load

Idle

0%

2,000 rpm

0% - 50%

INT/V TIM(B1)

• Engine: After warming up
• Selector lever position: P or N (A/

T or CVT) or Neutral (M/T)

• Air conditioner switch: OFF
• No  load

Idle

−5° - 5°CA

When revving engine up to 2,000rpm 
Quickly

Approx. 0

° - 40°CA

Monitor Item

Condition

Values/Status

EC-72

< ECU DIAGNOSIS INFORMATION >

[HR16DE]

ECM

EXH/V TIM B1

• Engine: After warming up
• Selector lever position: P or N (A/

T or CVT) or Neutral (M/T)

• Air conditioner switch: OFF
• No  load

Idle

−5° - 5°CA

When revving engine up to 2,000rpm 
Quickly

Approx. 0

° - 40°CA

INT/V SOL(B1)

• Engine: After warming up
• Selector lever position: P or N (A/

T or CVT) or Neutral (M/T)

• Air conditioner switch: OFF
• No  load

Idle

0% - 2%

When revving engine up to 2,000rpm 
Quickly

Approx. 0% - 90%

AIR COND RLY

• Engine: After warming up, idle 

the engine

Air conditioner switch: OFF

OFF

Air conditioner switch: ON
(Compressor operates.)

ON

FUEL PUMP RLY

• For 1 seconds after turning ignition switch: ON
• Engine running or cranking

ON

• Except above

OFF

VENT CONT/V

• Ignition switch: ON

OFF

THRTL RELAY

• Ignition switch: ON

ON

COOLING FAN 

• Engine: After warning up, idle the 

engine

• Air conditioner switch: OFF

Engine coolant temperature is 98

°C 

(208

°F) or less

OFF

Engine coolant temperature is between 
98

°C (208°F) and 99°C (210°F)

LOW

Engine coolant temperature is 100

°C 

(212

°F) or more

HIGH

HO2S2 HTR (B1)

• Engine speed: Below 3,600 rpm after the following conditions are met.
- Engine: After warming up
- Keeping the engine speed between 3,500 and 4,000 rpm for 1 minute and at 

idle for 1 minute under no load

ON

ALT DUTY SIG

• Power generation voltage variable control: Operating

ON

• Power generation voltage variable control: Not operating

OFF

I/P PULLY SPD

• Vehicle speed: More than 20 km/h (12 MPH)

Almost the same speed as 
the tachometer indication

VEHICLE SPEED

• Turn drive wheels and compare CONSULT value with the speedometer indi-

cation.

Almost the same speed as 
speedometer indication

IDL A/V LEARN

• Engine: running

Idle air volume learning has not been per-
formed yet.

YET

Idle air volume learning has already been 
performed successfully.

CMPLT

TRVL AFTER MIL

• Ignition switch: ON

Vehicle has traveled after MIL has turned 
ON.

0 - 65,535 km
(0 - 40,723 miles)

ENG OIL TEMP

• Engine: After warming up

More than 70

°C (158F)

A/F S1 HTR (B1)

• Engine: After warming up, idle the engine

(More than 140 seconds after starting engine)

4 - 100%

VHCL SPEED SE

• Turn drive wheels and compare CONSULT value with the speedometer indi-

cation.

Almost the same speed as 
speedometer indication

SET VHCL SPD

• Engine: Running

ASCD: Operating

The preset vehicle speed is 
displayed

MAIN SW

• Ignition switch: ON

MAIN switch: Pressed

ON

MAIN switch: Released

OFF

CANCEL SW

• Ignition switch: ON

CANCEL switch: Pressed

ON

CANCEL switch: Released

OFF

Monitor Item

Condition

Values/Status

ECM

EC-73

< ECU DIAGNOSIS INFORMATION >

[HR16DE]

C

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EC

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RESUME/ACC SW

• Ignition switch: ON

ACCEL/RES switch: Pressed

ON

ACCEL/RES switch: Released

OFF

SET SW

• Ignition switch: ON

COAST/SET switch: Pressed

ON

COAST/SET switch: Released

OFF

BRAKE SW1
(Brake pedal posi-
tion switch)

• Ignition switch: ON

COAST/SET switch: Pressed

ON

COAST/SET switch: Released

OFF

BRAKE SW2
(Stop lamp switch)

• Ignition switch: ON

Brake pedal: Fully released

OFF

Brake pedal: Slightly depressed

ON

VHCL SPD CUT

• Ignition switch: ON

NON

LO SPEED CUT

• Ignition switch: ON

NON

AT OD MONITOR

• Ignition switch: ON

OFF

AT OD CANCEL

• Ignition switch: ON

OFF

CRUISE LAMP

• Ignition switch: ON

MAIN switch: Pressed at the 1st time 

→ at 

the 2nd time

ON 

→ OFF

SET LAMP

NOTE:
The item is indicated, but not used.

ALT DUTY

• Engine: Idle

0 - 80%

BAT CUR SEN

• Engine speed: Idle
• Battery: Fully charged
• Selector lever position: P or N (A/T or CVT) or Neutral (M/T)
• Air conditioner switch: OFF
• No  load

Approx 2,500 - 3,500 mV

A/F ADJ-B1

• Engine running

−0.330 - 0.330

P/N POSI SW

• Ignition switch: ON

Selector lever position: P or N (A/T or 
CVT) or Neutral (M/T)

ON

Shift lever: Except above

OFF

INT/A TEMP SE

• Ignition switch: ON

Indicates intake air tempera-
ture

AC PRESS SEN

• Engine: Idle
• Both A/C switch and blower fan switch: ON (Compressor operates.)

1.0 - 4.0 V

VTC DTY EX B1

• Engine: After warming up
• Selector lever position: P or N (A/

T or CVT) or Neutral (M/T)

• Air conditioner switch: OFF
• No  load

Idle

0% - 2%

2,000 rpm

Approx. 0% - 90%

THRTL STK CNT B1

NOTE:
The item is indicated, but not used.

EVAP LEAK DIAG

• Ignition switch: ON

Depending on condition of 
EVAP leak diagnosis

EVAP DIAG READY

• Ignition switch: ON (READY)

Depending on ready condi-
tion of EVAP leak diagnosis

A/F SEN1 
DIAG1(B1)

• DTC P015A and P015B self-diagnosis is incomplete.

INCMP

• DTC P015A and P015B self-diagnosis is complete.

CMPLT

A/F SEN1 
DIAG2(B1)

• DTC P014C and P014D self-diagnosis is incomplete.

INCMP

• DTC P014C and P014D self-diagnosis is complete.

CMPLT

A/F SEN1 
DIAG3(B1)

• The vehicle condition is not within the diagnosis range of DTC P014C, P014D, 

P015A or P015B.

ABSNT

• The vehicle condition is within the diagnosis range of DTC P014C, P014D, 

P015A or P015B.

PRSNT

Monitor Item

Condition

Values/Status

EC-74

< ECU DIAGNOSIS INFORMATION >

[HR16DE]

ECM

*: Accelerator pedal position sensor 2 signal and throttle position sensor 2 signal are converted by ECM inter-

nally. Thus, they differ from ECM terminals voltage signal.

TERMINAL LAYOUT

PHYSICAL VALUES

NOTE:

• ECM is located in the engine room left side near battery. 

• When disconnecting ECM harness connector (A), loosen (C) it with

levers as far as they will go as shown in the figure.

- ECM  (1)

- Fasten (B)

• Connect a break-out box and harness adapter between the ECM

and ECM harness connector.

- Use extreme care not to touch 2 pins at one time.

- Data is for comparison and may not be exact.

• Specification data are reference values and are measured

between each terminals.

• Pulse signal is measured by CONSULT.

HO2 S2 DIAG2(B1)

• DTC P0139 self-diagnosis (slow response) is incomplete.

INCMP

• DTC P0139 self-diagnosis (slow response) is complete.

CMPLT

EOP SENSOR

• Engine: After warming up
• Selector lever position: P or N (A/

T or CVT) or Neutral (M/T)

• Air conditioner switch: OFF
• No  load

Idle

Approx 1,000 - 2,000 mV

2,000 rpm

Approx 1,500 - 3,500 mV

HO2 S2 DIAG1(B1)

• DTC P0139 self-diagnosis (delayed response) is incomplete.

INCMP

• DTC P0139 self-diagnosis (delayed response) is complete.

CMPLT

SYSTEM 1 DIAG-
NOSIS A B1

DTC P117A self-diagnosis is incomplete.

INCMP

DTC P117A self-diagnosis is complete.

CMPLT

SYSTEM 1 DIAG-
NOSIS B B1

DTC P117A self-diagnosis is on standby.

ABSENT

DTC P117A self-diagnosis is under diagnosis.

PRSENT

Monitor Item

Condition

Values/Status

PBIA9221J

JMBIA0029ZZ