Nissan Primera P12. Instruction — part 220
TROUBLE DIAGNOSIS
EC-65
[YD (WITH EURO-OBD)]
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EC
*: This item includes 1st/2nd trip DTCs.
INSPECTION PROCEDURE
1.
Turn ignition switch OFF.
2.
Connect CONSULT-II to data link connector, which is located
under the driver side dash panel.
3.
Turn ignition switch ON.
4.
Touch “START (NISSAN BASED VHCL)”.
5.
Touch “ENGINE”.
If “ENGINE” is not indicated, go to
Link Connector (DLC) Circuit/For YD Engine Models"
.
6.
Perform each diagnostic test mode according to each service
procedure.
For further information, see the CONSULT-II Operation Instruction.
SELF-DIAGNOSTIC MODE
Self Diagnostic Item
Regarding items of DTC and 1st/2nd trip DTC, refer to —
.
MBIB0156E
MBIB0233E
SEF995X
PBIB0410E
EC-66
[YD (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
Freeze Frame Data
DATA MONITOR MODE
Freeze frame data item
Description
DIAG TROUBLE CODE
[PXXXX]
●
The engine control component part/control system has a trouble code, it is displayed as “PXXXX”.
(Refer to
.)
CAL/LD VALUE [%]
●
The calculated load value at the moment a malfunction is detected is displayed.
COOLANT TEMP [
°
C] or [
°
F]
●
The engine coolant temperature at the moment a malfunction is detected is displayed.
ENGINE SPEED [rpm]
●
The engine speed at the moment a malfunction is detected is displayed.
VEHICL SPEED [km/h] or
[mph]
●
The vehicle speed at the moment a malfunction is detected is displayed.
INT MANI PRES [kPa]
●
The intake manifold pressure at the moment a malfunction is detected is displayed.
MONITOR ITEM
ECM
INPUT
SIG-
NAL
MAIN
SIG-
NALS
CAN
DIAG
SUP-
PORT
MNTR
CONDITION
SPECIFICATION
CKPS·RPM (TDC) [rpm]
×
×
●
The engine speed computed
from the crankshaft position
sensor signal is displayed.
COOLAN TEMP/S
[
°
C] or [
°
F]
×
×
●
The engine coolant tempera-
ture (determined by the signal
voltage of the engine coolant
temperature sensor) is dis-
played.
When the engine coolant temper-
ature circuit is open or short, ECM
enters fail-safe mode. The engine
coolant temperature determined
by the ECM is displayed.
VHCL SPEED SE
[km/h] or [mph]
×
×
●
The vehicle speed computed
form the vehicle speed sensor
signal is displayed.
FUEL TEMP SEN
[
°
C] or [
°
F]
×
×
●
The fuel temperature (deter-
mined by the signal voltage of
the fuel pump temperature sen-
sor) is displayed.
ACCEL POS SEN [V]
×
×
●
The accelerator pedal position
sensor 1 signal voltage is dis-
played.
ACCEL SEN 2 [V]
×
×
●
The accelerator pedal position
sensor 2 signal voltage is dis-
played.
ACT CR PRESS [MPa]
×
×
●
The Fuel rail pressure (deter-
mined by the signal voltage of
the fuel rail pressure sensor) is
displayed.
BATTERY VOLT [V]
×
×
●
The power supply voltage of
ECM is displayed.
P/N POSI SW [ON/OFF]
×
×
●
Indicates [ON/OFF] condition
from the park/neutral position
switch signal.
START SIGNAL [ON/OFF]
×
×
●
indicates [ON/OFF] condition
from the starter signal.
PW/ST SIGNAL [ON/OFF]
×
●
indicates [ON/OFF] condition
from the power steering pres-
sure switch signal.
[OFF] is always displayed for
models without power steering
pressure switch.
BRAKE SW [ON/OFF]
×
×
●
indicates [ON/OFF] condition
from the stop lamp switch sig-
nal.
TROUBLE DIAGNOSIS
EC-67
[YD (WITH EURO-OBD)]
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BRAKE SW2 [ON/OFF]
×
×
●
indicates [ON/OFF] condition
from the ASCD brake switch
and ASCD clutch switch signal.
IGN SW [ON/OFF]
×
×
●
Indicates [ON/OFF] condition
from ignition switch signal.
MAS AIR/FL SE [V]
×
×
●
The signal voltage of the mass
air flow sensor is displayed.
MAIN INJ WID [msec]
×
●
Indicates the actual fuel injec-
tion pulse width compensated
by ECM according to the input
signals.
PUMP CURRENT [mA]
×
●
Indicates the fuel pump power
supply current from the ECM.
GLOW RLY [ON/OFF]
×
●
The glow relay control condition
(determined by ECM according
to the input signal) is displayed.
COOLING FAN
[LOW/HI/OFF]
×
●
Indicates the control condition of
the cooling fans (determined by
ECM according to the input sig-
nal).
LOW ... Operates at low speed.
HI ... Operates at high speed.
OFF ... Stopped
EGR VOL CON/V [step]
×
●
Indicates the EGR volume con-
trol value computed by the ECM
according to the input signals.
●
The opening becomes larger as
the value increases.
INT/A VOLUME [mg/]
●
The intake air volume computed
from the mass air flow sensor
signal is displayed.
BARO SEN [kPa]
×
×
●
The barometric pressure (deter-
mined by the signal voltage from
the absolute pressure sensor
built into the ECM) is displayed.
INT/M PRES SE [kPa]
●
Turbocharger boost (determined
by the signal voltage from the
turbocharger boost sensor) is
displayed.
CYL COUNT [1/2/3/4]
●
The cylinder being injected is
displayed.
1 ... Cylinder No.1 is injected.
2 ... Cylinder No.2 is injected.
3 ... Cylinder No.3 is injected.
4 ... Cylinder No.4 is injected.
SET SW
[ON/OFF]
×
●
Indicates [ON/OFF] condition
from SET/COAST switch signal.
RESUME/ACC SW
[ON/OFF]
×
●
Indicates [ON/OFF] condition
from RESUME/ACCEL switch
signal.
CANCEL SW
[ON/OFF]
×
●
Indicates [ON/OFF] condition
from CANCEL switch signal.
MONITOR ITEM
ECM
INPUT
SIG-
NAL
MAIN
SIG-
NALS
CAN
DIAG
SUP-
PORT
MNTR
CONDITION
SPECIFICATION
EC-68
[YD (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
NOTE:
Any monitored item that does not match the vehicle being diagnosed is deleted from the display automatically.
ACTIVE TEST MODE
MAIN SW
[ON/OFF]
×
●
Indicates [ON/OFF] condition
from ON/OFF switch signal.
Voltage [V]
Voltage, frequency, duty cycle or
pulse width measured by the
probe.
Only “#” is displayed if item is
unable to be measured.
Figures with “#”s are temporary
ones.
They are the same figures as an
actual piece of data which was
just previously measured. [Hz] or
[%]
Frequency [msec], [Hz] or
[%]
DUTY-HI
DUTY-LOW
PLS WIDTH-HI
PLS WIDTH-LOW
CAN COMM
[OK/NG]
×
●
Indicates the communication
condition of CAN communica-
tion line.
●
These items are not displayed
in “SELECTION FROM MENU”
mode.
CAN CIRC 1
[OK/UNKWN]
×
CAN CIRC 2
[OK/UNKWN]
×
CAN CIRC 3
[OK/UNKWN]
×
CAN CIRC 4
[OK/UNKWN]
×
CAN CIRC 5
[OK/UNKWN]
×
CAN CIRC 6
[OK/UNKWN]
×
CAN CIRC 7
[OK/UNKWN]
×
MONITOR ITEM
ECM
INPUT
SIG-
NAL
MAIN
SIG-
NALS
CAN
DIAG
SUP-
PORT
MNTR
CONDITION
SPECIFICATION
TEST ITEM
CONDITION
JUDGEMENT
CHECK ITEM (REMEDY)
POWER BAL-
ANCE
●
Engine: After warming up, idle the
engine.
●
A/C switch: OFF
●
Shift lever: N
●
Cut off each injector signal one at
a time using CONSULT-II
Engine runs rough or dies.
●
Harness and connectors
●
Compression
●
Fuel injector
COOLING FAN *
●
Ignition switch: ON
●
Operate the cooling fan at LOW,
HI speed and turn OFF using
CONSULT-II.
Cooling fan moves at LOW, HI
speed and stops.
●
Harness and connector
●
Cooling fan motor
●
Cooling fan relay
ENG COOLANT
TEMP
●
Engine: Return to the original
trouble condition
●
Change the engine coolant tem-
perature using CONSULT-II.
If trouble symptom disappears, see
CHECK ITEM.
●
Harness and connectors
●
Engine coolant temperature sen-
sor
●
Fuel injector
GLOW RLY
●
Ignition switch: ON (Engine
stopped)
●
Turn the glow relay ON and OFF
using CONSULT-II and listen to
operating sound.
Glow relay makes the operating
sound.
●
Harness and connector
●
Glow relay
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