Infiniti I35 (A33). Manual - part 200

 

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Infiniti I35 (A33). Manual - part 200

 

 

TER-

MINAL

NO.

WIRE

COLOR

ITEM

CONDITION

DATA (DC Voltage)

36

LG

Cooling fan relay
(HIGH)

[Engine is running]

I

Cooling fan is operating at high speed.

0 - 1.0V

[Engine is running]

I

Cooling fan is not operating.

BATTERY VOLTAGE
(11 - 14V)

38

W/B

ECM relay
(Self shut-off)

[Engine is running]
[Ignition switch ON]

I

For a few seconds after turning ignition switch
OFF

0 - 1.5V

[Ignition switch ON]

I

A few seconds after turning ignition switch OFF

BATTERY VOLTAGE
(11 - 14V)

39

OR/L

Heated oxygen sen-
sor 1 heater (bank 1)

[Engine is running]

I

Warm-up condition

I

Engine speed is below 3,600 rpm.

Approximately 7V

★

PBIB0519E

[Engine is running]

I

Engine speed is above 3,600 rpm.

BATTERY VOLTAGE
(11 - 14V)

40

R/L

Heated oxygen sen-
sor 1 heater (bank 2)

[Engine is running]

I

Warm-up condition

I

Engine speed is below 3,600 rpm.

Approximately 7V

★

PBIB0519E

[Engine is running]

I

Engine speed is above 3,600 rpm.

BATTERY VOLTAGE
(11 - 14V)

41

P/B

Heated oxygen sen-
sor 2 heater (bank 1)

[Engine is running]

I

Engine speed is below 3,600 rpm after the fol-
lowing conditions are met.

–

Engine: after warming up

–

Keeping engine speed between 3,500 and
4,000 rpm for 1 minute and at idle for 1 minute
under no load

0 - 0.5V

[Ignition switch ON]

I

Engine stopped

[Engine is running]

I

Engine speed is above 3,600 rpm.

BATTERY VOLTAGE
(11 - 14V)

42

BR/W

Start signal

[Ignition switch ON]

Approximately 0V

[Ignition switch START]

9 - 12V

43

R

Ignition switch

[Ignition switch OFF]

0V

[Ignition switch “ON]

BATTERY VOLTAGE
(11 - 14V)

GI

MA

EM

LC

FE

AT

AX

SU

BR

ST

RS

BT

HA

SC

EL

IDX

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION

ECM Terminals and Reference Value (Cont’d)

EC-141

TER-

MINAL

NO.

WIRE

COLOR

ITEM

CONDITION

DATA (DC Voltage)

44

G/OR

PNP switch

[Ignition switch ON]

I

General position is P or N.

Approximately 0V

[Ignition switch ON]

I

Except the above gear position

BATTERY VOLTAGE
(11 - 14V)

45

G/B

Air conditioner switch
signal

[Engine is running]

I

Both A/C switch and blower switch are ON.

Approximately 0V

[Engine is running]

I

A/C switch is OFF.

BATTERY VOLTAGE
(11 - 14V)

47

R/L

Heated oxygen sen-
sor 2 heater (bank 2)

[Engine is running]

I

Engine speed is below 3,600 rpm after the fol-
lowing conditions are met.

–

Engine: after warming up

–

Keeping engine speed between 3,500 and
4,000 rpm for 1 minute and at idle for 1 minute
under no load

0 - 0.5V

[Ignition switch ON]

I

Engine stopped

[Engine is running]

I

Engine speed is above 3,600 rpm.

BATTERY VOLTAGE
(11 - 14V)

48

B

ECM ground

[Engine is running]

I

Idle speed

Engine ground

50

G/Y

ASCD steering
switch

[Ignition switch ON]

I

ASCD steering switch is OFF.

Approximately 4.0V

[Ignition switch ON]

I

MAIN switch: Pressed

Approximately 0V

[Ignition switch ON]

I

CANCEL switch: Pressed

Approximately 1.0V

[Ignition switch ON]

I

RESUME/ACCEL switch: Pressed

Approximately 3.0V

[Ignition switch ON]

I

SET/COAST switch: Pressed

Approximately 2.0V

51

W/G

Electrical load signal

[Engine is running]

I

Rear window defogger: ON

I

Hi-beam headlamp: ON

BATTERY VOLTAGE
(11 - 14V)

[Engine is running]

I

Electrical load: OFF

0V

55

R/G

Stop lamp switch

[Ignition switch ON]
Brake pedal is depressed.

BATTERY VOLTAGE
(11 - 14V)

[Ignition switch ON]
Brake pedal is released.

Approximately 0V

57

B

ECM ground

[Engine is running]

I

Idle speed

Engine ground

58

B

Sensor ground

[Engine is running]

I

Warm-up condition

I

Idle speed

Approximately 0V

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION

ECM Terminals and Reference Value (Cont’d)

EC-142

TER-

MINAL

NO.

WIRE

COLOR

ITEM

CONDITION

DATA (DC Voltage)

59

G/B

ASCD brake switch

[Ignition switch ON]

I

Brake pedal is depressed.

0V

[Ignition switch ON]

I

Brake pedal is released.

BATTERY VOLTAGE
(11 - 14V)

60

W

EVAP control system
pressure sensor

[Ignition switch ON]

Approximately 3.4V

62

W

Mass air flow sensor

[Engine is running]

I

Warm-up condition

I

Idle speed

1.1 - 1.5V

[Engine is running]

I

Warm-up condition

I

Engine speed is 2,500 rpm.

1.7 - 2.4V

64

OR

Accelerator pedal
position sensor 2
power supply

[Ignition switch ON]

Approximately 2.5V

65

Y

Camshaft position
sensor (PHASE)
(bank 1)

[Engine is running]

I

Warm-up condition

I

Idle speed

NOTE:
The pulse cycle changes depending on rpm at idle.

1.0 - 4.0V

★

SEC033D

[Engine is running]

I

Engine speed is 2,000 rpm.

1.0 - 4.0V

★

SEC034D

66

Y/G

Mass air flow sensor
(Intake air tempera-
ture sensor)

[Engine is running]

Approximately 0 - 4.8V
Output voltage varies with intake
air temperature.

67

W/L

Power supply for
ECM (Back-up)

[Ignition switch OFF]

BATTERY VOLTAGE
(11 - 14V)

GI

MA

EM

LC

FE

AT

AX

SU

BR

ST

RS

BT

HA

SC

EL

IDX

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION

ECM Terminals and Reference Value (Cont’d)

EC-143

TER-

MINAL

NO.

WIRE

COLOR

ITEM

CONDITION

DATA (DC Voltage)

68

P/L

Vehicle speed sensor

[Engine is running]

I

Jack-up front wheels

I

In 1st gear position

I

10 km/h (6 MPH)

Approximately 2.5V

★

SEC039D

[Engine is running]

I

Jack-up front wheels

I

In 2nd gear position

I

30 km/h (19 MPH)

Approximately 2.5V

★

SEC040D

69

G

Fuel level sensor

[Ignition switch ON]

Approximately 0 - 4.8V
Output voltage varies with fuel
level.

70

B/P

Accelerator pedal
position sensor 2
ground

[Ignition switch ON]

Approximately 0V

71

W

Knock sensor

[Engine is running]

I

Idle speed

Approximately 2.5V

72

W

Accelerator pedal
position sensor signal
output

[Engine is running]

I

Warm-up condition

I

Accelerator pedal released

Approximately 0.6V

[Ignition switch ON]

I

Engine stopped

I

Accelerator pedal fully depressed

Approximately 4.0V

73

W

Accelerator pedal
position sensor 1

[Ignition switch ON]

I

Engine stopped

I

Accelerator pedal released

0.41 - 0.71V

[Ignition switch ON]

I

Engine stopped

I

Accelerator pedal fully depressed

More than 3.7V

74

W/B

Accelerator pedal
position sensor 2

[Ignition switch ON]

I

Engine stopped

I

Accelerator pedal released

0.08 - 0.48V

[Ignition switch ON]

I

Engine stopped

I

Accelerator pedal fully depressed

More than 1.8V

75

P/B

Fuel tank tempera-
ture sensor

[Engine is running]

Approximately 0 - 4.8V
Output voltage varies with fuel
tank temperature.

78

B

Fuel level sensor
ground

[Engine is running]

I

Idle speed

Approximately 0V

80

B

Mass air flow sensor
ground

[Engine is running]

I

Warm-up condition

I

Idle speed

Approximately 0V

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION

ECM Terminals and Reference Value (Cont’d)

EC-144

 

 

 

 

 

 

 

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