2007 NISSAN TIIDA engine coolant

ECM
EC-995
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P O23
(GR)108
(B)Fuel pump relay Output[Ignition switch: ON]
 For 1 second after turning ignition
switch ON
[Engine is running]0 - 1.0V
25
(V)
108
(B)Fuel injector No. 4
Output[Engine is running]
 Warm-up condition
 Idle speed
NOTE:
The pulse cycle changes depending
on rpm at idleBATTERY VOLTAGE
(11 - 14V)
29
(Y)Fuel injector No. 3
30
(O)Fuel injector No. 2
[Engine is running]
 Warm-up condition
 Engine speed: 2,000 rpmBATTERY VOLTAGE
(11 - 14V)
31
(L)Fuel injector No. 1
32
(P)108
(B)ECM relay
(Self shut-off)Output[Engine is running]
[Ignition switch: OFF]
 A few seconds after turning ignition
switch OFF0 - 1.0V
[Ignition switch: OFF]
 More than a few seconds after turn-
ing ignition switch OFFBATTERY VOLTAGE
(11 - 14V)
33
(LG)36
(Y)Throttle position sensor 1 Input[Ignition switch: ON]
 Engine stopped
 Shift lever: 1st
 Accelerator pedal: Fully releasedMore than 0.36V
[Ignition switch: ON]
 Engine stopped
Shift lever:1st
 Accelerator pedal: Fully depressedLess than 4.75V
34
(O)36
(Y)Throttle position sensor 2 Input[Ignition switch: ON]
 Engine stopped
Shift lever:1st
 Accelerator pedal: Fully releasedLess than 4.75V
[Ignition switch: ON]
 Engine stopped
Shift lever:1st
 Accelerator pedal: Fully depressedMore than 0.36V
36
(Y)—Sensor ground
(Throttle position sensor)—— —
37
(W)40
—Knock sensor Input[Engine is running]
 Idle speed2.5V
38
(P)44
(B)Engine coolant tempera-
ture sensorInput [Engine is running]0 - 4.8V
Output voltage varies with engine
coolant temperature.
40
(B)—Sensor ground
(Knock sensor)—— — Terminal No. Description
ConditionVa l u e
(Approx.)
+ -– Signal nameInput/
Output
JMBIA0331GB
JMBIA0332GB

E C -996
< ECU DIAGNOSIS >[MR18DE]
ECM
41
(GR)48
(BR)Refrigerant pressure sen-
sorInput[Engine is running]
 Warm-up condition
 Both A/C switch and blower fan mo-
tor switch: ON (Compressor oper-
ates)1.0 - 4.0V
44
(B)—Sensor ground
(Engine coolant tempera-
ture sensor)—— —
45
(G)52
(LG)Mass air flow sensor Input[Ignition switch: ON]
 Engine stopped0.4V
[Engine is running]
 Warm-up condition
 Idle speed0.9 - 1.2V
[Engine is running]
 Warm-up condition
 Engine is revving from idle to about
4,000 rpm0.9 - 1.2 to 2.4V (Check for linear
voltage rise in response to en-
gine being increased to about
4,000 rpm.)
46
(V)55
(O)Intake air temperature
sensorInput [Engine is running]0 - 4.8V
Output voltage varies with intake
air temperature.
48
(BR)—Sensor ground
(Refrigerant pressure
sensor)—— —
49
(W)56
(B)Heated oxygen sensor 1 Input[Engine is running]
 Warm-up condition
 Engine speed: 2,000 rpm0 - 1.0V
50
(W)59
(O)Heated oxygen sensor 2 Input[Engine is running]
 Revving engine from idle to 3,000
rpm quickly after the following condi-
tions are met
- Engine: after warming up
- Keeping the engine speed between
3,500 and 4,000 rpm for 1 minute
and at idle for 1 minute under no
load0 - 1.0V
52
(LG)—Sensor ground
(Mass air flow sensor)—— —
55
(O)—Sensor ground
(Intake air temperature
sensor)—— —
56
(B)—Sensor ground
(Heated oxygen sensor 1)—— —
59
(O)—Sensor ground
(Heated oxygen sensor 2)—— — Terminal No. Description
ConditionVa l u e
(Approx.)
+-– Signal nameInput/
Output

EC-1018
< ECU DIAGNOSIS >[MR18DE]
ECM
DTC RELATED ITEM
Engine operating condi-
tion in fail-safe modeDetected items RemarksReference
page
Engine speed will not
rise more than 2,500 rpm
due to the fuel cutMalfunction indicator
circuitWhen there is an open circuit on MI circuit, the ECM cannot warn the
driver by lighting up MI when there is malfunction on engine control
system.
Therefore, when electrical controlled throttle and part of ECM related
diagnoses are continuously detected as NG for 5 trips, ECM warns the
driver that engine control system malfunctions and MI circuit is open by
means of operating fail-safe function.
The fail-safe function also operates when above diagnoses except MI
circuit are detected and demands the driver to repair the malfunction.EC-986
DTC No. Detected items Engine operating condition in fail-safe mode
P0011 Intake valve timing control The signal is not energized to the intake valve timing control solenoid valve and the valve
control does not function.
P0102
P0103Mass air flow sensor circuit Engine speed will not rise more than 2,400 rpm due to the fuel cut.
P0117
P0118Engine coolant tempera-
ture sensor circuitEngine coolant temperature will be determined by ECM based on the time after following
condition.
CONSULT-III displays the engine coolant temperature decided by ECM.
ConditionEngine coolant temperature decided
(CONSULT-III display)
Just as ignition switch is turned ON
or START40°C (104°F)
Approx. 4 minutes after engine
stating80°C (176°F)
Except as shown above40 - 80°C (104 - 176°F)
(Depends on the time)
When the fail-safe system for engine coolant temperature sensor is activated, the cooling
fan operates while engine is running.
P0122
P0123
P0222
P0223
P2135Throttle position sensor The ECM controls the electric throttle control actuator in regulating the throttle opening in
order for the idle position to be within +10 degrees.
The ECM regulates the opening speed of the throttle valve to be slower than the normal
condition.
So, the acceleration will be poor.
P0500 Vehicle speed sensor When the fail-safe system for vehicle speed sensor is activated, the cooling fan operates
(Highest) while engine is running.
P0605 ECM (When ECM calculation function is malfunctioning:)
ECM stops the electric throttle control actuator control, throttle valve is maintained at a
fixed opening (approx. 5 degrees) by the return spring.
ECM deactivates ASCD operation.
P1121 Electric throttle control ac-
tuator(When electric throttle control actuator does not function properly due to the return spring
malfunction:)
ECM controls the electric throttle actuator by regulating the throttle opening around the
idle position. The engine speed will not rise more than 2,000 rpm.
(When throttle valve opening angle in fail-safe mode is not in specified range:)
ECM controls the electric throttle control actuator by regulating the throttle opening to 20
degrees or less.
(When ECM detects the throttle valve is stuck open:)
While the vehicle is driving, it slows down gradually by fuel cut. After the vehicle stops, the
engine stalls.
The engine can restart in Neutral position, and engine speed will not exceed 1,000 rpm or
more.
P1122 Electric throttle control
functionECM stops the electric throttle control actuator control, throttle valve is maintained at a
fixed opening (approx. 5 degrees) by the return spring.

ECM
EC-1019
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DTC Inspection Priority ChartINFOID:0000000001161993
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
P1124
P1126Throttle control motor relay ECM stops the electric throttle control actuator control, throttle valve is maintained at a
fixed opening (approx. 5 degrees) by the return spring.
P1128 Throttle control motor ECM stops the electric throttle control actuator control, throttle valve is maintained at a
fixed opening (approx. 5 degrees) by the return spring.
P1229 Sensor power supply ECM stops the electric throttle control actuator control, throttle valve is maintained at a
fixed opening (approx. 5 degrees) by the return spring.
P1805 Brake switch ECM controls the electric throttle control actuator by regulating the throttle opening to a
small range.
Therefore, acceleration will be poor.
Vehicle condition Driving condition
When engine is idling Normal
When accelerating Poor acceleration
P2122
P2123
P2127
P2128
P2138Accelerator pedal position
sensorThe ECM controls the electric throttle control actuator in regulating the throttle opening in
order for the idle position to be within +10 degrees.
The ECM regulates the opening speed of the throttle valve to be slower than the normal
condition.
So, the acceleration will be poor. DTC No. Detected items Engine operating condition in fail-safe mode
Priority Detected items (DTC)
1  U1000 U1001 CAN communication line
 U1010 CAN communication
 P0102 P0103 Mass air flow sensor
 P0112 P0113 P0127 Intake air temperature sensor
 P0117 P0118 P0125 Engine coolant temperature sensor
 P0122 P0123 P0222 P0223 P1225 P1226 P2135 Throttle position sensor
 P0327 P0328 Knock sensor
 P0335 Crankshaft position sensor (POS)
 P0340 Camshaft position sensor (PHASE)
 P0500 Vehicle speed sensor
 P0605 ECM
 P1229 sensor power supply
 P1610 P1611 P1614 NATS
 P1706 Park/Neutral position (PNP) switch
 P2122 P2123 P2127 P2128 P2138 Accelerator pedal position sensor
2  P0132 P0133 P0134 P1143 P1144 Heated oxygen
 P0135 Heated oxygen sensor 1 heater
 P0138 P0139 P1146 P1147 Heated oxygen sensor 2
 P0141 Heated oxygen sensor 2 heater
 P0444 EVAP canister purge volume control solenoid valve
 P 1111 I n t a k e v a l v e t i m i n g c o n t r o l s o l e n o i d v a l v e
 P1122 Electric throttle control function
 P1124 P1126 Throttle control motor relay
 P1128 Throttle control motor
 P1217 Engine over temperature (OVERHEAT)
 P1805 Brake switch
3  P0011 Intake valve timing control
 P0171 P0172 Fuel injection system function
 P0300 - P0304 Misfire
 P0420 Three way catalyst function
 P1121 Electric throttle motor actuator
 P1211 TCS control unit
 P1212 TCS communication line
 P1564 ASCD steering switch
 P1572 ASCD brake switch
 P1574 ASCD vehicle speed sensor

ECM
EC-1023
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 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 46 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 46 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 95 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.
Test Value and Test LimitINFOID:0000000001161996
The following is the information specified in Service $06 of ISO 15031-5.
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.
SRT item Self-diagnostic test item DTCTe s t v a l u e
(GST display)
Te s t l i m i t
TID CID
CATALYST Three way catalyst functionP0420 01H 01H Max.
P0420 02H 81H Min.
HO2SHeated oxygen sensor 1P0133 09H 04H Max.
P1143 0AH 84H Min.
P1144 0BH 04H Max.
P0132 0CH 04H Max.
P0134 0DH 04H Max.
Heated oxygen sensor 2P0139 19H 86H Min.
P1147 1AH 86H Min.
P1146 1BH 06H Max.
P0138 1CH 06H Max.
HO2S HTRHeated oxygen sensor 1 heater P013529H 08H Max.
2AH 88H Min.
Heated oxygen sensor 2 heater P01412DH 0AH Max.
2EH 8AH Min.

EC-1024
< SYMPTOM DIAGNOSIS >[MR18DE]
ENGINE CONTROL SYSTEM
SYMPTOM DIAGNOSIS
ENGINE CONTROL SYSTEM
Symptom TableINFOID:0000000001161997
SYSTEM — BASIC ENGINE CONTROL SYSTEM
SYMPTOM
Reference
page
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETONATION
LACK OF POWER/POOR ACCELERATION
HIGH IDLE/LOW IDLE
ROUGH IDLE/HUNTING
IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEATS/WATER TEMPERATURE HIGH
EXCESSIVE FUEL CONSUMPTION
EXCESSIVE OIL CONSUMPTION
BATTERY DEAD (UNDER CHARGE)
Warranty symptom code AA AB AC AD AE AF AG AH AJ AK AL AM HA
Fuel Fuel pump circuit 11232 22 3 2EC-978
Fuel pressure regulator system 334444444 4EC-1035
Fuel injector circuit 11232 22 2EC-975
Evaporative emission system 334444444 4EC-745
Air Positive crankcase ventilation sys-
tem
334444444 41EC-987
Incorrect idle speed adjustment 1 1 1 1 1EC-692
Electric throttle control actuator 112332222 2 2EC-885,
EC-887
IgnitionIncorrect ignition timing adjustment33111 11 1EC-693
Ignition circuit 11222 22 2EC-981
Main power supply and ground circuit 22333 33 23EC-789
Mass air flow sensor circuit
1
122
222 2EC-799
Engine coolant temperature sensor circuit
333EC-807
Heated oxygen sensor 1 circuitEC-813
,
EC-817
,
EC-823
,
EC-896
,
EC-901
Throttle position sensor circuit
22EC-810
,
EC-852
,
EC-924
,
EC-926
,
EC-956
Accelerator pedal position sensor circuit 3 2 1EC-948
,
EC-952
,
EC-956
Knock sensor circuit 2 3EC-860
Crankshaft position sensor (POS) circuit 2 2EC-862

ENGINE CONTROL SYSTEM
EC-1027
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1 - 6: The numbers refer to the order of inspection.Exhaust Exhaust manifold/Tube/Muffler/
Gasket
55555 55 5EX-5
, EX-9
Three way catalyst
Lubrica-
tionOil pan/Oil strainer/Oil pump/Oil
filter/Oil gallery/Oil cooler
55555 55 5EM-166
,
LU-18
, LU-
19
Oil level (Low)/Filthy oilLU-15
Cooling Radiator/Hose/Radiator filler cap
55555 55 45CO-40
Thermostat 5CO-45
Water pumpCO-44
Water galleryCO-28
Cooling fan
5CO-43
Coolant level (Low)/Contaminat-
ed coolantCO-35
NATS (NISSAN Anti-Theft System) 1 1SEC-7
SYMPTOM
Reference
page
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETONATION
LACK OF POWER/POOR ACCELERATION
HIGH IDLE/LOW IDLE
ROUGH IDLE/HUNTING
IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEATS/WATER TEMPERATURE HIGH
EXCESSIVE FUEL CONSUMPTION
EXCESSIVE OIL CONSUMPTION
BATTERY DEAD (UNDER CHARGE)
Warranty symptom code A
AAB AC AD AE AF AG AH AJ AK AL AM HA

PREPARATION
EC-1033
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PREPARATION
PREPARATION
Special Service ToolsINFOID:0000000001162003
Commercial Service ToolsINFOID:0000000001162004
Tool number
Tool nameDescription
KV10117100
Heated oxygen sensor
wrenchLoosening or tightening heated oxygen sensor
with 22 mm (0.87 in) hexagon nut
KV10114400
Heated oxygen sensor
wrenchLoosening or tightening heated oxygen sensor 2
a: 22 mm (0.87 in)
KV10118400
Fuel tube adapterMeasuring fuel pressure
S-NT379
S-NT636
PBIB3043E
Tool name Description
Quick connector re-
leaseRemoving fuel tube quick connectors in engine
room
(Available in SEC. 164 of PARTS CATALOG: Par
No. 16441 6N210)
Socket wrench Removing and installing engine coolant tempera-
ture sensor
PBIC0198E
S-NT705