Nissan Frontier D22. Manual — part 543
TROUBLE DIAGNOSIS
EC-1275
[VG33ER]
C
D
E
F
G
H
I
J
K
L
M
A
EC
101
OR/L
IACV-AAC valve
[Engine is running]
●
Warm-up condition
●
Idle speed
NOTE:
The pulse cycle changes depending on rpm at
idle
8 - 11V
[Engine is running]
●
Warm-up condition
●
Engine speed is 3,000 rpm
7 - 10V
102
104
106
109
111
113
W/B
W/R
W/G
W/L
W/PU
W
Injector No. 1
Injector No. 3
Injector No. 5
Injector No. 2
Injector No. 4
Injector No. 6
[Engine is running]
●
Warm-up condition
●
Idle speed
NOTE:
The pulse cycle changes depending on rpm at
idle
BATTERY VOLTAGE
(11 - 14V)
[Engine is running]
●
Warm-up condition
●
Engine speed is 2,000 rpm
BATTERY VOLTAGE
(11 - 14V)
108
R/G
EVAP canister vent
control valve
[Ignition switch: ON]
BATTERY VOLTAGE
(11 - 14V)
116
B/R
ECM ground
[Engine is running]
●
Idle speed
Engine ground
117
B/P
Current return
[Engine is running]
●
Idle speed
BATTERY VOLTAGE
(11 - 14V)
119
BR/Y
Heated oxygen sensor
1 heater (bank 1)
[Engine is running]
●
Engine speed is below 2,800 rpm
Approximately 0.4V
[Engine is running]
●
Engine speed is above 2,800 rpm
BATTERY VOLTAGE
(11 - 14V)
120
P/B
Vacuum cut valve
bypass valve
[Ignition switch: ON]
BATTERY VOLTAGE
(11 - 14V)
121
BR
Heated oxygen sensor
1 heater (bank 2)
[Engine is running]
●
Engine speed is below 2,800 rpm
Approximately 0.4V
[Engine is running]
●
Engine speed is above 2,800 rpm
BATTERY VOLTAGE
(11 - 14V)
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
SEF005V
SEF692W
SEF007V
SEF008V
EC-1276
[VG33ER]
TROUBLE DIAGNOSIS
*: Any mode except OFF, ambient air temperature is above 25
°C (77°F).
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
CONSULT-II Function
UBS00DSC
FUNCTION
*: The following emission-related diagnostic information is cleared when the ECM memory is erased.
●
Diagnostic trouble codes
●
1st trip diagnostic trouble codes
●
Freeze frame data
●
1st trip freeze frame data
●
System readiness test (SRT) codes
●
Test values
●
Others
122
R/B
Heated oxygen sensor
2 heater (bank 1)
[Engine is running]
●
Engine speed is below 3,600 rpm after the fol-
lowing conditions are met
–
Engine: After warning up
–
Keeping the engine speed between 3,500 and
4,000 rpm for 1 minute and at idle for 1 minute
under no load
0 - 1.0V
[Ignition switch: ON]
●
Engine stopped
[Engine is running]
●
Engine speed is above 3,600 rpm
BATTERY VOLTAGE
(11 - 14V)
123
R/Y
Heated oxygen sensor
2 heater (bank 2)
[Engine is running]
●
Engine speed is below 3,600 rpm after the fol-
lowing conditions are met
–
Engine: After warning up
–
Keeping the engine speed between 3,500 and
4,000 rpm for 1 minute and at idle for 1 minute
under no load
0 - 1.0V
[Ignition switch: ON]
●
Engine stopped
[Engine is running]
●
Engine speed is above 3,600 rpm
BATTERY VOLTAGE
(11 - 14V)
124
B/R
ECM ground
[Engine is running]
●
Idle speed
Engine ground
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
Diagnostic test mode
Function
Work support
This mode enables a technician to adjust some devices faster and more accurately by following the
indications on the CONSULT-II unit.
Self-diagnostic results
Self-diagnostic results such as 1st trip DTC, DTCs and 1st trip freeze frame data or freeze frame data
can be read and erased quickly.*
Data monitor
Input/Output data in the ECM can be read.
Data monitor (SPEC)
Input/Output specification of the basic fuel schedule, AFM, A/F feedback control value and the other
data monitor items can be read.
Active test
Diagnostic Test Mode in which CONSULT-II drives some actuators apart from the ECMs and also
shifts some parameters in a specified range.
DTC & SRT confirmation
The status of system monitoring tests and the self-diagnosis status/result can be confirmed.
Function test
This mode is used to inform customers when their vehicle condition requires periodic maintenance.
ECM part number
ECM part number can be read.
TROUBLE DIAGNOSIS
EC-1277
[VG33ER]
C
D
E
F
G
H
I
J
K
L
M
A
EC
ENGINE CONTROL COMPONENT PARTS/CONTROL SYSTEMS APPLICATION
X: Applicable
*1: This item includes 1st trip DTCs.
*2: This mode includes 1st trip freeze frame data or freeze frame data. The items appear on CONSULT-II screen in freeze frame data
mode only if a 1st trip DTC or DTC is detected. For details, refer to
EC-1279, "Freeze Frame Data and 1st Trip Freeze Frame Data"
.
Item
DIAGNOSTIC TEST MODE
WORK
SUP-
PORT
SELF-DIAGNOS-
TIC RESULTS
DATA
MONI-
TOR
DATA
MONI-
TOR
(SPEC)
ACTIVE
TEST
DTC & SRT CON-
FIRMATION
DTC*1
FREEZE
FRAME
DATA*2
SRT
STA-
TUS
DTC
WORK
SUP-
PORT
ENGINE CONTROL
COMPONENT P
ARTS
IN
P
U
T
Camshaft position sensor
×
×
×
×
Mass air flow sensor
×
×
×
Engine coolant temperature sensor
×
×
×
×
×
Heated oxygen sensor 1
×
×
×
×
×
Heated oxygen sensor 2
×
×
×
×
×
Vehicle speed sensor
×
×
×
×
Throttle position sensor
×
×
×
×
Fuel tank temperature sensor
×
×
×
×
EVAP control system pressure
sensor
×
×
×
Intake air temperature sensor
×
×
×
×
Crankshaft position sensor (OBD)
×
Knock sensor
×
Ignition switch (start signal)
×
×
Closed throttle position switch
×
×
×
Closed throttle position switch
(throttle position sensor signal)
×
×
Air conditioner switch
×
×
Park/neutral position (PNP) switch
×
×
×
Power steering oil pressure switch
×
×
Battery voltage
×
×
Ambient air temperature switch
×
×
ENGINE CONTROL
COMPONENT P
ARTS
OUTPUT
Injectors
×
×
×
Power transistor (Ignition timing)
×
×
×
×
IACV-AAC valve
×
×
×
×
×
EVAP canister purge volume con-
trol solenoid valve
×
×
×
×
×
Air conditioner relay
×
×
Fuel pump relay
×
×
×
×
Heated oxygen sensor 1 heater
×
×
×
×
Heated oxygen sensor 2 heater
×
×
×
×
EVAP canister vent control valve
×
×
×
×
Vacuum cut valve bypass valve
×
×
×
×
×
SCB valve control solenoid valve
×
×
×
×
Calculated load value
×
×
×
EC-1278
[VG33ER]
TROUBLE DIAGNOSIS
INSPECTION PROCEDURE
1.
Turn ignition switch OFF.
2.
Connect CONSULT-II and CONSULT-II CONVERTER to data
link connector which is located under LH dash panel near the
fuse box cover.
3.
Turn ignition switch ON.
4.
Touch “START (NISSAN BASED VHCL)”.
5.
Touch “ENGINE”.
If “ENGINE” is not indicated, go to
6.
Perform each diagnostic test mode according to each service
procedure.
For further information, see the CONSULT-II Operation Manual.
LEC104A
MBIB0233E
SEF948Y
SEF949Y
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