Infiniti G35 (V35) Sedan. Manual - part 595

EC-526

< ECU DIAGNOSIS >

[VQ35HR]

ECM

*1: 1st trip DTC No. is the same as DTC No.

*2: This number is prescribed by SAE J2012.

*3: In Diagnostic Test Mode II (Self-diagnostic results), this number is controlled by NISSAN.

*4: The troubleshooting for this DTC needs CONSULT-III.

*5: When the fail-safe operations for both self-diagnoses occur, the MIL illuminates.

*6: SRT code will not be set if the self-diagnostic result is NG.

*7: When the ECM is in the mode of displaying SRT status, MIL may flash. For the details, refer to “How to Display SRT Status”.

How to Set SRT Code

INFOID:0000000000956903

To set all SRT codes, self-diagnosis for the items indicated above must be performed one or more times. Each
diagnosis may require a long period of actual driving under various conditions.

 WITH CONSULT-III

Perform corresponding DTC Confirmation Procedure one by one based on Performance Priority in the table
on “SRT Item”.

 WITHOUT CONSULT-III

The most efficient driving pattern in which SRT codes can be properly set is explained on the next page. The
driving pattern should be performed one or more times to set all SRT codes.

P1805

1805

BRAKE SW/CIRCUIT

—

—

2

—

EC-422

P2100

2100

ETC MOT PWR-B1

—

—

1

×

EC-374

P2101

2101

ETC FNCTN/CIRC-B1

—

—

1

×

EC-362

P2103

2103

ETC MOT PWR

—

—

1

×

EC-374

P2118

2118

ETC MOT-B1

—

—

1

×

EC-366

P2119

2119

ETC ACTR-B1

—

—

1

×

EC-369

P2122

2122

APP SEN 1/CIRC

—

—

1

×

EC-425

P2123

2123

APP SEN 1/CIRC

—

—

1

×

EC-425

P2127

2127

APP SEN 2/CIRC

—

—

1

×

EC-429

P2128

2128

APP SEN 2/CIRC

—

—

1

×

EC-429

P2132

2132

TP SEN 1/CIRC-B2

—

—

1

×

EC-242

P2133

2133

TP SEN 1/CIRC-B2

—

—

1

×

EC-242

P2135

2135

TP SENSOR-B1

—

—

1

×

EC-371

P2138

2138

APP SENSOR

—

—

1

×

EC-434

P2A00

2A00

A/F SENSOR1 (B1)

—

×

2

×

EC-439

P2A03

2A03

A/F SENSOR1 (B2)

—

×

2

×

EC-439

DTC*

1

Items

 (CONSULT-III screen 

terms)

SRT code

Test value/ 

Test limit 

(GST only)

Trip

MIL

Reference 

page

CONSULT-

III

GST*

2

ECM*

3

ECM

EC-527

< ECU DIAGNOSIS >

[VQ35HR]

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DRIVING PATTERN

• The time required for each diagnosis varies with road surface conditions, weather, altitude, individual driving

habits, etc.
Zone A refers to the range where the time, required for the diagnosis under normal conditions*, is the short-
est.
Zone B refers to the range where the diagnosis can still be performed if the diagnosis is not completed within
zone A.

*: Normal conditions refer to the following:

PBIB2906E

EC-528

< ECU DIAGNOSIS >

[VQ35HR]

ECM

• Sea level
• Flat road
• Ambient air temperature: 20 - 30

°

C (68 - 86

°

F)

• Diagnosis is performed as quickly as possible under normal conditions.

Under different conditions [For example: ambient air temperature other than 20 - 30

°

C (68 - 86

°

F)], diagno-

sis may also be performed.

Pattern 1:
• The engine is started at the engine coolant temperature of 

−

10 to 35

°

C (14 to 95

°

F)

(where the voltage between the ECM terminal 71 and ground is 3.0 - 4.3V).

• The engine must be operated at idle speed until the engine coolant temperature is greater than 70

°

C

(158

°

F) (where the voltage between the ECM terminal 71 and ground is lower than 1.4V).

• The engine is started at the fuel tank temperature of warmer than 0

°

C (32

°

F) (where the voltage

between the ECM terminal 106 and ground is less than 4.1V).

Pattern 2:
• When steady-state driving is performed again even after it is interrupted, each diagnosis can be conducted.

In this case, the time required for diagnosis may be extended.

Pattern 3:
• Operate vehicle following the driving pattern shown in the figure.
• Release the accelerator pedal during decelerating vehicle speed

from 90 km/h (56 MPH) to 0 km/h (0 MPH).

Pattern 4:
• The accelerator pedal must be held very steady during steady-

state driving.

• If the accelerator pedal is moved, the test must be conducted all

over again.

*1: Depress the accelerator pedal until vehicle speed is 90 km/h (56
MPH), then release the accelerator pedal and keep it released for
more than 10 seconds. Depress the accelerator pedal until vehicle
speed is 90 km/h (56 MPH) again.
*2: Checking the vehicle speed with GST is advised.

Suggested Transmission Gear Position for A/T Models

Set the selector lever in the D position with the overdrive switch turned ON.

Suggested Upshift Speeds for M/T Models

Shown below are suggested vehicle speeds for shifting into a higher gear. These suggestions relate to fuel
economy and vehicle performance. Actual upshift speeds will vary according to road conditions, the weather
and individual driving habits.

Unit: km/h (MPH)

Suggested Maximum Speed in Each Gear

Downshift to a lower gear if the engine is not running smoothly, or if you need to accelerate.
Do not exceed the maximum suggested speed (shown below) in any gear. For level road driving, use the high-
est gear suggested for that speed. Always observe posted speed limits and drive according to the road condi-
tions to ensure sage operation. Do not over-rev the engine when shifting to a lower gear as it may cause
engine damage or loss of vehicle control.

PBIB2244E

Gear change

For normal acceleration in low altitude areas 

[less than 1,219 m (4,000 ft)]

For quick acceleration in low altitude areas or in 

high altitude areas [over 1,219 m (4,000 ft)]

1st to 2nd

13 (8)

24 (15)

2nd to 3rd

26 (16)

40 (25)

3rd to 4th

40 (25)

64 (40)

4th to 5th

50 (30)

72 (45)

5th to 6th

53 (33)

80 (50)

Gear

km/h (MPH)

1st

63 (39)

2nd

103 (64)

3rd

148 (92)

4th

—

ECM

EC-529

< ECU DIAGNOSIS >

[VQ35HR]

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Test Value and Test Limit

INFOID:0000000000956904

The following is the information specified in Service $06 of SAE J1979.
The test value is a parameter used to determine whether a system/circuit diagnostic test is OK or NG while
being monitored by the ECM during self-diagnosis. The test limit is a reference value which is specified as the
maximum or minimum value and is compared with the test value being monitored.
These data (test value and test limit) are specified by Test ID (TID) and Component ID (CID) and can be dis-
played on the GST screen.

5th

—

6th

—

Gear

km/h (MPH)

Item

Self-diagnostic test item

DTC

Test value

(GST display)

Test limit

Conversion

TID

CID

CATALYST

Three way catalyst function (Bank 1)

P0420

01H

01H

Max.

1/128

P0420

02H

81H

Min.

1

Three way catalyst function (Bank 2)

P0430

03H

02H

Max.

1/128

P0430

04H

82H

Min.

1

EVAP

SYSTEM

EVAP control system (Small leak)

P0442

05H

03H

Max.

1/128 mm

2

EVAP control system purge flow monitoring

P0441

06H

83H

Min.

20 mV

EVAP control system (Very small leak)

P0456

07H

03H

Max.

1/128 mm

2

HO2S

Air fuel ratio (A/F) sensor 1 (Bank 1)

P0131

41H

8EH

Min.

5mV

P0132

42H

0EH

Max.

5mV

P2A00

43H

0EH

Max.

0.002

P2A00

44H

8EH

Min.

0.002

P0133

45H

8EH

Min.

0.004

P0130

46H

0EH

Max.

5mV

P0130

47H

8EH

Min.

5mV

P0133

48H

8EH

Min.

0.004

Air fuel ratio (A/F) sensor 1 (Bank 2)

P0151

4CH

8FH

Min.

5mV

P0152

4DH

0FH

Max.

5mV

P2A03

4EH

0FH

Max.

0.002

P2A03

4FH

8FH

Min.

0.002

P0153

50H

8FH

Min.

0.004

P0150

51H

0FH

Max.

5mV

P0150

52H

8FH

Min.

5mV

P0153

53H

8FH

Min.

0.004

Heated oxygen sensor 2 (Bank 1)

P0139

19H

86H

Min.

10mV/500 ms

P0137

1AH

86H

Min.

10 mV

P0138

1BH

06H

Max.

10 mV

P0138

1CH

06H

Max.

10mV

Heated oxygen sensor 2 (Bank 2)

P0159

21H

87H

Min.

10mV/500 ms

P0157

22H

87H

Min.

10 mV

P0158

23H

07H

Max.

10 mV

P0158

24H

07H

Max.

10mV