Infiniti G35 (V35). Manual - part 309

TROUBLE DIAGNOSIS

EC-117

C

D

E

F

G

H

I

J

K

L

M

A

EC

60
61
62

PU/W
L/R
Y/R

Ignition signal No. 5
Ignition signal No. 3
Ignition signal No. 1

[Engine is running]

●

Warm-up condition

●

Idle speed

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

0 - 0.2V

[Engine is running]

●

Warm-up condition

●

Engine speed: 2,500 rpm

0.1 - 0.4V

66

W/R

Sensor ground
(Throttle position sensor)

[Engine is running]

●

Warm-up condition

●

Idle speed

Approximately 0V

67

B/W

Sensor ground

[Engine is running]

●

Warm-up condition

●

Idle speed

Approximately 0V

68

Y

Sensor power supply
(Power steering pressure 
sensor)

[Ignition switch: ON]

Approximately 5V

69

R/L

Throttle position sensor 2

[Ignition switch: ON]

●

Engine stopped

●

Shift lever: D (A/T) or 1st (M/T)

●

Accelerator pedal: Fully released

Less than 4.75V

[Ignition switch: ON]

●

Engine stopped

●

Shift lever: D (A/T) or 1st (M/T)

●

Accelerator pedal: Fully depressed

More than 0.36V

70

R/B

Refrigerant pressure sensor

[Engine is running]

●

Warm-up condition

●

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

1.0 - 4.0V

TER-

MINAL 

NO.

WIRE 

COLOR

ITEM

CONDITION

DATA (DC Voltage)

SEC986C

SEC987C

EC-118

TROUBLE DIAGNOSIS

72*

Y/B

Exhaust valve timing control 
position sensor (bank 2)

[Engine is running]

●

Idle speed

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

0 - 1.0V

[Engine is running]

●

Engine speed: 2,000 rpm

0 - 1.0V

73

Y/B

Engine coolant temperature 
sensor

[Engine is running]

Approximately 0 - 4.8V
Output voltage varies with 
engine coolant temperature.

74

L/B

Heated oxygen sensor 2 
(bank 1)

[Engine is running]

●

Revving engine from idle to 3,000 rpm 
quickly after the following conditions are 
met.

–

Engine: After warming up

–

After keeping the engine speed between 
3,500 and 4,000 rpm for 1 minute and at idle 
for 1 minute under no load.

0 - Approximately 1.0V

78

B/Y

Sensor ground
(Heated oxygen sensor)

[Engine is running]

●

Warm-up condition

●

Idle speed

Approximately 0V

79
80
81

GY/R
GY
G/R

Ignition signal No. 6
Ignition signal No. 4
Ignition signal No. 2

[Engine is running]

●

Warm-up condition

●

Idle speed

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

0 - 0.2V

[Engine is running]

●

Warm-up condition

●

Engine speed: 2,500 rpm

0.1 - 0.4V

82

GY/L

Sensor ground
(Accelerator pedal position 
sensor 1)

[Engine is running]

●

Warm-up condition

●

Idle speed

Approximately 0V

83

B/R

Sensor ground
(Accelerator pedal position 
sensor 2)

[Engine is running]

●

Warm-up condition

●

Idle speed

Approximately 0V

TER-

MINAL 

NO.

WIRE 

COLOR

ITEM

CONDITION

DATA (DC Voltage)

PBIB2867E

PBIB2046E

SEC986C

SEC987C

TROUBLE DIAGNOSIS

EC-119

C

D

E

F

G

H

I

J

K

L

M

A

EC

85

PU

Data link connector

[Ignition switch: ON]

●

CONSULT-II or GST: Disconnected

Approximately 5V - Battery volt-
age (11 - 14V)

86

P

CAN communication line

[Ignition switch: ON]

Approximately 1.1 - 2.3V
Output voltage varies with the 
communication status.

90

BR/Y

Sensor power supply
(Accelerator pedal position 
sensor 1)

[Ignition switch: ON]

Approximately 5V

91

G

Sensor power supply
(Accelerator pedal position 
sensor 2)

[Ignition switch: ON]

Approximately 5V

94

L

CAN communication line

[Ignition switch: ON]

Approximately 2.6 - 3.2V
Output voltage varies with the 
communication status.

98

LG/B

Accelerator pedal position 
sensor 2

[Ignition switch: ON]

●

Engine stopped

●

Accelerator pedal: Fully released

0.15 - 0.60V

[Ignition switch: ON]

●

Engine stopped

●

Accelerator pedal: Fully depressed

1.95 - 2.40V

99

G/Y

ASCD steering switch

[Ignition switch: ON]

●

ASCD steering switch: OFF

Approximately 4V

[Ignition switch: ON]

●

MAIN switch: Pressed

Approximately 0V

[Ignition switch: ON]

●

CANCEL switch: Pressed

Approximately 1V

[Ignition switch: ON]

●

RESUME/ACCELERATE switch: Pressed

Approximately 3V

[Ignition switch: ON]

●

SET/COAST switch: Pressed

Approximately 2V

101

P/L

Stop lamp switch

[Ignition switch: OFF]

●

Brake pedal: Fully released

Approximately 0V

[Ignition switch: OFF]

●

Brake pedal: Slightly depressed

BATTERY VOLTAGE
(11 - 14V)

102

G/OR

PNP switch

[Ignition switch: ON]

●

Shift lever: P or N (A/T), Neutral (M/T)

Approximately 0V

[Ignition switch: ON]

●

Except above position

BATTERY VOLTAGE
(11 - 14V)

104

G/W

Throttle control motor relay

[Ignition switch: OFF]

BATTERY VOLTAGE
(11 - 14V)

[Ignition switch: ON]

0 - 1.0V

106

BR

Accelerator pedal position 
sensor 1

[Ignition switch: ON]

●

Engine stopped

●

Accelerator pedal: Fully released

0.5 - 1.0V

[Ignition switch: ON]

●

Engine stopped

●

Accelerator pedal: Fully depressed

3.9 - 4.7V

TER-

MINAL 

NO.

WIRE 

COLOR

ITEM

CONDITION

DATA (DC Voltage)

EC-120

TROUBLE DIAGNOSIS

*: For models with M/T.

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

107

L/OR

Fuel tank temperature sen-
sor

[Engine is running]

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

108

SB

ASCD brake switch

[Ignition switch: ON]

●

Brake pedal: Slightly depressed (A/T)

●

Brake pedal and/or clutch pedal: Slightly 
depressed (M/T)

Approximately 0V

[Ignition switch: ON]

●

Brake pedal: Fully released (A/T)

●

Brake pedal and clutch pedal: Fully released 
(M/T)

BATTERY VOLTAGE
(11 - 14V)

109

W/L

Ignition switch

[Ignition switch: OFF]

0V

[Ignition switch: ON]

BATTERY VOLTAGE
(11 - 14V)

111

W

ECM relay
(Self shut-off)

[Engine is running]
[Ignition switch: OFF]

●

For a few seconds after turning ignition 
switch OFF

0 - 1.5V

[Ignition switch: OFF]

●

More than a few seconds after turning igni-
tion switch OFF

BATTERY VOLTAGE
(11 - 14V)

113

B/OR

Fuel pump relay

[Ignition switch: ON]

●

For 1 second after turning ignition switch ON

[Engine is running]

0 - 1.5V

[Ignition switch: ON]

●

More than 1 second after turning ignition 
switch ON

BATTERY VOLTAGE
(11 - 14V)

115
116

B/R
B

ECM ground

[Engine is running]

●

Idle speed

Body ground

117

GY/L

EVAP canister vent control 
valve

[Ignition switch: ON]

BATTERY VOLTAGE
(11 - 14V)

119

120

P
L

Power supply for ECM

[Ignition switch: ON]

BATTERY VOLTAGE
(11 - 14V)

121

R/W

Power supply for ECM 
(Back-up)

[Ignition switch: OFF]

BATTERY VOLTAGE
(11 - 14V)

TER-

MINAL 

NO.

WIRE 

COLOR

ITEM

CONDITION

DATA (DC Voltage)