1999 NISSAN PRIMERA engine coolant

ENGINE CONTROL MODULE COMPONENT PARTS/CONTROL SYSTEMS APPLICATION
ItemDIAGNOSTIC TEST MODE
SELF-DIAG-
NOSTIC
RESULTSD ATA
MONITORACTIVE
TEST
ENGINE CONTROL MODULE COMPONENT PARTS
INPUTCamshaft position sensor (PUMP) *1 X *2 X
Mass air flow sensor X X
Engine coolant temperature sensor X X
Control sleeve position sensor X X X
Fuel temperature sensor X X
Vehicle speed sensor or ABS actuator and electric unit
(control unit)XX
Accelerator position sensor X X
Accelerator position switch X
Brake lamp switch X *2 X
Crankshaft position sensor (TDC) X X
Needle lift sensor X X
Ignition switch (start signal) X
Ignition switch (ON signal) X
Air conditioner switch X
Brake switch X
Battery voltage X
OUTPUTInjection timing control valve X X X
Fuel cut solenoid valve X X X
Air conditioner relay X
Glow relay X X
EGRC-solenoid valve X X
Cooling fan relay X X
X: Applicable
*1: Imaginary sensor, which produces secondary engine revolution signal using needle lift sensor pulse.
*2: CONSULT-II may not display, but self-diagnostic results are available with MI.
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTIONCD20T
CONSULT-II (Cont'd)
EC-28

SELF-DIAGNOSTIC MODE
Regarding items detected in ªSELF-DIAG RESULTSº mode, refer to ªDiagnostic Trouble chartº.
DATA MONITOR MODE
Monitored item
[Unit]ECM
input
signalsMain
signalsDescription Remarks
CKPS×RPM
(TDC) [rpm]
qq
lThe engine speed computed from the
crankshaft position sensor (TDC) sig-
nal is displayed.
CMPS×RPM -
PUMP [rpm]
qq
lThe engine speed computed from the
camshaft position sensor (PUMP) sig-
nal is displayed.
COOLAN TEMP/S
[ÉC] or [ÉF]
qq
lThe engine coolant temperature (deter-
mined by the signal voltage of the
engine coolant temperature sensor) is
displayed.lWhen the engine coolant temperature
sensor is open or short-circuited, ECM
enters fail-safe mode. The engine cool-
ant temperature determined by the
ECM is displayed.
VHCL SPEED SE
[km/h] or [mph]
qq
lThe vehicle speed computed from the
vehicle speed sensor signal or ABS
actuator and electric unit (control unit)
signal is displayed.
FUEL TEMP SEN
[ÉC] or [ÉF]
qq
lThe fuel temperature (determined by
the signal voltage of the fuel tempera-
ture sensor) is displayed.
ACCEL POS SEN
[V]
qqlThe accelerator position sensor signal
voltage is displayed.
OFF ACCEL POS
[ON/OFF]
qqlIndicates [ON/OFF] condition from the
accelerator position switch signal.
C/SLEEV POS/S [V]
qqlThe control sleeve position sensor sig-
nal voltage is displayed.
BATTERY VOLT [V]
qqlThe power supply voltage of ECM is
displayed.
START SIGNAL
[ON/OFF]
qqlIndicates [ON/OFF] condition from the
starter signal.lAfter starting the engine, [OFF] is dis-
played regardless of the starter signal.
AIR COND SIG
[ON/OFF]
qq
lIndicates [ON/OFF] condition of the air
conditioner switch as determined by
the air conditioner signal.
BRAKE SW
[ON/OFF]
qlIndicates [ON/OFF] condition of the
stio lamp switch.
BRAKE SW2
[ON/OFF]
qlIndicates [ON/OFF] condition of the
stio lamp switch 2.
IGN SW
[ON/OFF]
qqlIndicates [ON/OFF] condition from igni-
tion switch.
MAS AIR/FL SE [V]
qqlThe signal voltage of the mass air flow
sensor is displayed.lWhen the engine is stopped, a certain
value is indicated.
ACT INJ TIMG [É]
q
lThe actual injection timing angle deter-
mined by the ECM (an approximate
average angle between injection start
and end from TDC) is displayed.
TARGET F/INJ
[mm
3/STROKE]q
lThe target fuel injection quantity
(determined by the ECM according to
the input signal) is indicated.
NOTE:
Any monitored item that does not match the vehicle being diagnosed is deleted from the display automatically.
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTIONCD20T
CONSULT-II (Cont'd)
EC-29

Diagnostic Trouble Chart
ENGINE RELATED ITEMS
Detected items
(Screen terms for CONSULT-II,
ªSELF-DIAG RESULTSº mode)Malfunction is detected when ...
Mass air flow sensor circuit
(MASS AIR FLOW SEN)
lAn excessively high or low voltage from the sensor is detected by the ECM.
Engine coolant temperature
sensor circuit
(COOLANT TEMP SEN)
lAn excessively high or low voltage from the sensor is detected by the ECM.
Vehicle speed sensor circuit or
ABS actuator and electric unit
(control unit) circuit
(VEHICLE SPEED SEN)
lThe almost 0 km/h (0 mph) signal from the sensor is detected by the ECM even when
vehicle is being driven.
Control sleeve position sensor
circuit
(CONT SLEEV POS SEN)
lAn excessively high or low voltage from the sensor is detected by the ECM.
lAn incorrect voltage signal from the sensor is detected by the ECM during engine run-
ning.
Fuel injection feedback 2
(F/INJ F/B 2)
lThe fuel injection feedback system (consists of the ECM, electric governor and control
sleeve position sensor) does not operate properly.
Fuel injection timing feedback
(F/INJ TIMG F/B)
lThe fuel injection timing feedback system (consists of the ECM, fuel injection timing con-
trol valve and needle lift sensor) does not operate properly.
Abbreviations for Quick Reference of ªDIAGNOSTIC TROUBLE CONFIRMATION PROCEDUREº
IGN: ON : Turning the ignition switch ON is required for checking the function of the sensor, switch, solenoid and circuit.
RUNNING : Running engine is required for checking the function of the sensor, switch, solenoid and circuit.
LIFTING : Lifting up the vehicle, running engine and spinning wheels are required.
DRIVING : Driving the vehicle in the specified pattern is required.
Abbreviations for Quick Reference of ªOVERALL FUNCTION CHECKº
IGN: ON : Turning the ignition switch ON is required for the ECM to detect a malfunction (if one exists).
RUNNING : Running engine is required for the ECM to detect a malfunction (if one exists).
LIFTING : Lifting up the vehicle, running engine and spinning wheels are required for the ECM to detect a malfunction (if one
exists).
DRIVING : Driving the vehicle in the specified pattern is required for the ECM to detect a malfunction (if one exists).
TROUBLE DIAGNOSIS Ð General DescriptionCD20T
EC-39

Ð: Not applicable
Check Items
(Possible Cause)*1
Confirmation
Procedure
Quick Ref.*2
Overall
Function
CheckMI
IlluminationReference
Page
lHarness or connectors
(The sensor circuit is open or shorted.)
lMass air flow sensorIGN: ON Ð Ð EC-CD-62
lHarness or connectors
(The sensor circuit is open or shorted.)
lEngine coolant temperature sensorIGN: ON Ð Lighting up EC-CD-66
lHarness or connectors
(The sensor circuit is open or shorted.)
lVehicle speed sensor or ABS actuator and electric unit
(control unit)Ð LIFTING Ð EC-CD-70
lHarness or connectors
(The sensor circuit is open or shorted.)
lControl sleeve position sensorRUNNING Ð Lighting up EC-CD-74
lMain power supply circuit (ECM terminals23,45),
68and fuse
lHarness or connectors
(Electric governor and control sleeve position sensor cir-
cuit)
lElectronic fuel injection pump
lECM
lElectric governorRUNNING
(DRIVING)Ð Lighting up EC-CD-78
lHarness or connectors
(Injection timing control valve, Needle lift sensor and
Crankshaft position sensor (TDC) circuit]
lInjection timing control valve
lNeedle lift sensor
lCrankshaft position sensor
lAir in fuel lineRUNNING
(DRIVING)Ð Lighting up EC-CD-82
*1:lThis is Quick Reference of ªDIAGNOSTIC TROUBLE CONFIRMATION PROCEDUREº.
Details are described in each TROUBLE DIAGNOSIS.
*2:
lThe ªOVERALL FUNCTION CHECKº is a simplified and effective way to inspect a component or circuit.
In some cases, the ªOVERALL FUNCTION CHECKº is used rather than a ªDIAGNOSTIC TROUBLE CONFIRMATION PRO-
CEDUREº.
When no DIAGNOSTIC TROUBLE CONFIRMATION PROCEDURE is available, the ªNGº result of the OVERALL FUNCTION
CHECK can be considered to mean the same as a malfunction item detection.
lDuring an ªNGº OVERALL FUNCTION CHECK, the malfunction item might not be confirmed.lThis is Quick Reference of ªOVERALL FUNCTION CHECKº.
Details are described in each TROUBLE DIAGNOSIS.
TROUBLE DIAGNOSIS Ð General DescriptionCD20T
Diagnostic Trouble Chart (Cont'd)
EC-40

ENGINE RELATED ITEMS
Detected items
(Screen terms for
CONSULT-II, ªSELF-DIAG
RESULTSº mode)Malfunction is detected when ...
Cooling fan
(OVER HEAT)
lAn excessive high engine coolant temperature sensor signal is detected by the ECM. (Over-
heat)
ECM2
(ECM2)
lECM calculation function is malfunctioning.
Needle lift sensor circuit
(NEEDLE LIFT SEN)
lAn incorrect signal from the sensor is detected by the ECM during engine running.
Fuel cut solenoid valve 1
(FUEL CUT S/V 1)
lFuel cut solenoid valve circuit is malfunctioning.
Fuel temperature sensor
circuit
(FUEL TEMP SENSOR)
lAn excessively high or low voltage from the sensor is detected by the ECM.
Accelerator position sensor
circuit
(ACCEL POS SENSOR)
lAn excessively high or low voltage from the sensor is detected by the ECM.
Crankshaft position sensor
(TDC)
[CRANK POS SEN (TDC)]
lAn incorrect signal from the sensor is detected by the ECM during engine running and
cranking.
No failure
(NO SELF DIAGNOSTIC
FAILURE INDICATED)No malfunction is detected by the ECM.
Abbreviations for Quick Reference of ªDIAGNOSTIC TROUBLE CONFIRMATION PROCEDUREº
IGN: ON : Turning the ignition switch ON is required for checking the function of the sensor, switch, solenoid and circuit.
RUNNING : Running engine is required for checking the function of the sensor, switch, solenoid and circuit.
LIFTING : Lifting up the vehicle, running engine and spinning wheels are required.
DRIVING : Driving the vehicle in the specified pattern is required.
Abbreviations for Quick Reference of ªOVERALL FUNCTION CHECKº
IGN: ON : Turning the ignition switch ON is required for the ECM to detect a malfunction (if one exists).
RUNNING : Running engine is required for the ECM to detect a malfunction (if one exists).
LIFTING : Lifting up the vehicle, running engine and spinning wheels are required for the ECM to detect a malfunction (if one
exists).
DRIVING : Driving the vehicle in the specified pattern is required for the ECM to detect a malfunction (if one exists).
TROUBLE DIAGNOSIS Ð General DescriptionCD20T
Diagnostic Trouble Chart (Cont'd)
EC-41

Ð: Not applicable
Check Items
(Possible Cause)*1
Confirmation
Procedure
Quick Ref.*2
Overall
Function
CheckMI
IlluminationReference
Page
lHarness or connectors
(The cooling fan circuit is open or shorted.)
lCooling fan
lRadiator hose
lRadiator
lRadiator cap
lWater pump
lThermostat
lFan belt
lEngine coolant temperature sensor
For more information, refer to ª12 MAIN CAUSES OF
OVERHEATINGº. (EC-CD-95)ÐIGN: ON
(RUNNING)Lighting up EC-CD-78
lECM
IGN: ON Ð Lighting up EC-CD-86
lHarness or connectors
(The sensor circuit is open or shorted.)
lNeedle lift sensor
lAir in fuel line
lClogging No. 1 injection nozzleRUNNING Ð Lighting up EC-CD-97
lHarness or connectors
(The solenoid valve circuit is open or shorted.)
lFuel cut solenoid valveRUNNING Ð Lighting up EC-CD-100
lHarness or connectors
(The sensor circuit is open or shorted.)
lFuel temperature sensorIGN: ON Ð Ð EC-CD-104
lHarness or connectors
(The sensor circuit is open or shorted.)
lAccelerator position sensor
lAccelerator position switchIGN: ON Ð Lighting up EC-CD-108
lHarness or connectors
(The sensor circuit is open or shorted.)
lCrankshaft position sensor (TDC)RUNNING Ð Lighting up EC-CD-114
lNo failure
Ð ÐÐÐ
*1:lThis is Quick Reference of ªDIAGNOSTIC TROUBLE CONFIRMATION PROCEDUREº.
Details are described in each specific TROUBLE DIAGNOSIS.
*2:
lThe ªOVERALL FUNCTION CHECKº is a simplified and effective way to inspect a component or circuit.
In some cases, the ªOVERALL FUNCTION CHECKº is used rather than a ªDIAGNOSTIC TROUBLE CONFIRMATION PRO-
CEDUREº.
When no DIAGNOSTIC TROUBLE CONFIRMATION PROCEDURE is available, the ªNGº result of the OVERALL FUNCTION
CHECK can be considered to mean the same as a malfunction item detection.
lDuring an ªNGº OVERALL FUNCTION CHECK, the malfunction item might not be confirmed.lThis is Quick Reference of ªOVERALL FUNCTION CHECKº.
Details are described in each specific TROUBLE DIAGNOSIS.
TROUBLE DIAGNOSIS Ð General DescriptionCD20T
Diagnostic Trouble Chart (Cont'd)
EC-42

Symptom Matrix Chart
SYSTEM
Ð Basic engine
control systemSYMPTOM
Reference page
Feature of symptom, Check pointHARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETONATION
LACK OF POWER
POOR ACCELERATION
HI IDLE
LOW IDLE
ROUGH IDLE/HUNTING
IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEAT/HIGH ENGINE COOLANT TEMPERATURE
EXCESSIVE FUEL CONSUMPTION
EXCESSIVE OIL CONSUMPTION
ABNORMAL SMOKE COLOR
DEAD BATTERY (UNDER CHARGE)
Malfunction indicator illuminates.
Can be detected by CONSULT-II?
Fuel cutNO START (with first firing)
NO START (without first firing)
HARD TO START WHEN ENGINE IS COLD
HARD TO START WHEN ENGINE IS HOT
AT IDLE
DURING DRIVING
WHEN DECELERATING
BLACK SMOKE
WHITE SMOKENew CT/CS AA AB AC AD AE AF AG AH AJ AK AL AM AP HA
Injec-
tion
timingAdvancedqq
llqlqqlqEC-CD-38
Retardedqq
llqlqqlqEC-CD-38
Electric injection
pump mainframe
llllqqqqqlqqqllqqlq qqqÐ*1
Injection nozzleqqqqqqq
lqq qll lEC-CD-22 *2
Glow systemqq
ll l lEC-CD-118
Engine bodyqq
llqqqlqq qllqqqlEM-
section*3
EGR system
ll lEC-CD-129
Air cleaner and
ducts
ll lqMA-
section*4
l; High Possibility Item
q; Low Possibility Item
*1: Insufficient or excess amount. Governor malfunction may be the cause.
*2: Depends on open-valve pressure and spray pattern.
*3: Caused mainly by insufficient compression pressure.
*4: Symptom varies depending on off-position of air duct, etc.
TROUBLE DIAGNOSIS Ð General DescriptionCD20T
EC-47

SYSTEM Ð Engine control module systemMalfunction
SYMPTOM
Reference page Feature of symptom
Check point
HARD/NO START/
RESTART (EXCP. HA) ENGINE STALL HESITATION/SURGING/FLAT SPOT SPARK KNOCK/DETONATION
LACK OF POWER
POOR ACCELERATION
HI IDLE
LOW IDLE
ROUGH IDLE/HUNTING
IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEAT/HIGH ENGINE COOLANT TEMPERATURE
EXCESSIVE FUEL CONSUMPTION
EXCESSIVE OIL CONSUMPTION ABNORMAL SMOKE COLOR
DEAD BATTERY (UNDER CHARGE) Malfunction indicator illuminates.
Can be detected by CONSULT-II?
Fuel cut
NO START (with first firing) NO START (without first firing)
HARD TO START WHEN ENGINE IS COLD
HARD TO START WHEN ENGINE IS HOT
AT IDLE
DURING DRIVING
WHEN DECELERATINGBLACK SMOKE WHITE SMOKE
New CT/CS AA AB AC AD AE AF AG AH AJ AK AL AM AP HAEngine control moduleMass air flow sensor circuitopen, ground shortqqq q
EC-CD-62
shortqqq
Engine coolant temperature sensor
circuitopen, shortqqq qqq qqEC-CD-66Compensation according to
engine coolant temperature
does not function.
Vehicle speed sensor circuit or ABS
actuator and electric unit (control
unit) circuitopen, shortqqEC-CD-70
Control sleeve position sensor cir-
cuitopen, shortqqq qqqEC-CD-74
Electric governor circuitopen, ground shortq qqq qqq
EC-CD-78
shortqq
Injection timing control valve circuitopen, shortqqqq
EC-CD-82Injection timing cannot be
controlled.
ground shortqqq
Needle lift sensor circuit open, shortqqqqEC-CD-97
Fuel cut solenoid valve circuitopen, ground shortq qqq qqq
EC-CD-100
shortqqqEngine runs on after turning
ignition switch OFF.
Fuel temperature sensor circuit open, shortqq qq qq q qq qEC-CD-104Compensation for amount
of fuel injected according
to fuel temperature does
not function.
Accelerator position sensor circuit open, shortqqq qqEC-CD-108
Crankshaft position sensor (TDC)
circuitopen, shortqq qq
EC-CD-114
noiseqqq qq
TROUBLE DIAGNOSIS Ð General DescriptionCD20T
Symptom Matrix Chart (Cont'd)
EC-48