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
—
P2100
2100
ETC MOT PWR-B1
—
—
1
×
P2101
2101
ETC FNCTN/CIRC-B1
—
—
1
×
P2103
2103
ETC MOT PWR
—
—
1
×
P2118
2118
ETC MOT-B1
—
—
1
×
P2119
2119
ETC ACTR-B1
—
—
1
×
P2122
2122
APP SEN 1/CIRC
—
—
1
×
P2123
2123
APP SEN 1/CIRC
—
—
1
×
P2127
2127
APP SEN 2/CIRC
—
—
1
×
P2128
2128
APP SEN 2/CIRC
—
—
1
×
P2132
2132
TP SEN 1/CIRC-B2
—
—
1
×
P2133
2133
TP SEN 1/CIRC-B2
—
—
1
×
P2135
2135
TP SENSOR-B1
—
—
1
×
P2138
2138
APP SENSOR
—
—
1
×
P2A00
2A00
A/F SENSOR1 (B1)
—
×
2
×
P2A03
2A03
A/F SENSOR1 (B2)
—
×
2
×
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]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
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]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
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
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