2002 NISSAN TERRANO general

SYSTEM Ð ENGINE CONTROL system
Malfunction
SYMPTOM
Reference page
Feature of symptom, Check pointHARD/NO START/RESTART
(EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
KNOCK/DETONATION
LACK OF POWER
POOR ACCELERATION
HI IDLE
LOW IDLE 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 DECELERATINGWarranty symptom code AA AB AC AD AE AF
ENGINE CONTROL
Accelerator switch (FC) circuit*a, *b 1
EC-104
*c
Fuel cut system line*a, *c
EC-232
*b 1 1 1 1 *2
Accelerator position sensor circuit *a, *b 1 1 1 EC-130
Crankshaft position sensor (TDC)
circuit*a, *b
EC-145
*d 1 1
Charge air pressure sensor circuit*a,
*b, *c1 1 EC-215
Swirl control valve control solenoid
valve circuit*a, *b
EC-263
*c 1111
Variable nozzle turbocharger control
solenoid valve circuit*a, *b 1 1
EC-281
*c 1 1
Intake air control valve control sole-
noid valve circuit*c 11111111EC-273
1 - 5: The numbers refer to the order of inspection.
(continued on next page)
*a: Open
*b: Short
*c: Ground short
*d: Noise
*2: Engine runs on after turning ignition switch OFF.
TROUBLE DIAGNOSIS Ð GENERAL DESCRIPTIONZD30DDTi
Symptom Matrix Chart (Cont'd)
EC-60

SYSTEM Ð ENGINE CONTROL system
Malfunction
SYMPTOM
Reference page
Feature of symptom, Check pointROUGH 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 lamp illuminates.
Can be detected by CONSULT-II?
Fuel cutBLACK SMOKE
WHITE SMOKEWarranty symptom code AG AH AJ AK AL AM AP HA
ENGINE CONTROL
Accelerator switch (FC) circuit*a, *b
1 1 EC-104
*c
Fuel cut system line*a, *c 1 1
EC-232
*b 1 *2
Accelerator position sensor circuit *a, *b 1 1 EC-130
Crankshaft position sensor (TDC) cir-
cuit*a, *b 1 1
1 1 EC-145
*d
Charge air pressure sensor circuit *a, *b, *c 1 1 EC-215
Swirl control valve control solenoid
valve circuit*a, *b 1
EC-263
*c 1 1 1
Variable nozzle turbocharger control
solenoid valve circuit*a, *b 1 1
EC-281
*c 1 1
Intake air control valve control sole-
noid valve circuit*c EC-273
1 - 5: The numbers refer to the order of inspection.
(continued on next page)
*a: Open
*b: Short
*c: Ground short
*d: Noise
*2: Engine runs on after turning ignition switch OFF.
TROUBLE DIAGNOSIS Ð GENERAL DESCRIPTIONZD30DDTi
Symptom Matrix Chart (Cont'd)
EC-61

SYSTEM Ð ENGINE CONTROL system
Malfunction
SYMPTOM
Reference page
Feature of symptom, Check pointHARD/NO START/RESTART
(EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
KNOCK/DETONATION
LACK OF POWER
POOR ACCELERATION
HI IDLE
LOW IDLE 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 DECELERATINGWarranty symptom code AA AB AC AD AE AF
ENGINE CONTROL
Start signal circuit *a, *b 1 1 EC-248 *3
PNP switch circuit*a, *b 1
EC-251
*c
Accelerator position switch (Idle) cir-
cuit*a, *c 1 1 1
EC-130
*b 1 1 1 *4
Accelerator position switch (Full) cir-
cuit*a, *b 1 1 1 EC-130
Ignition switch circuit*a 1 111
EC-79
*b*5
Power supply for ECM circuit*a
EC-79
*b
1 - 5: The numbers refer to the order of inspection.
(continued on next page)
*a: Open
*b: Short
*c: Ground short
*d: Noise
*3: Start control does not function.
*4: Accelerator position sensor NG signal is output.
*5: Engine does not stop.
TROUBLE DIAGNOSIS Ð GENERAL DESCRIPTIONZD30DDTi
Symptom Matrix Chart (Cont'd)
EC-62

SYSTEM Ð ENGINE CONTROL system
Malfunction
SYMPTOM
Reference page
Feature of symptom, Check pointROUGH 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 lamp illuminates.
Can be detected by CONSULT-II?
Fuel cutBLACK SMOKE
WHITE SMOKEWarranty symptom code AG AH AJ AK AL AM AP HA
ENGINE CONTROL
Start signal circuit *a, *b EC-248 *3
PNP switch circuit*a, *b
1 1 EC-251
*c
Accelerator position switch (Idle) cir-
cuit*a, *c
EC-130
*b 1 1 *4
Accelerator position switch (Full) cir-
cuit*a, *b 1 1 EC-130
Ignition switch circuit*a
EC-79
*b*5
Power supply for ECM circuit*a
111
EC-79
*b
1 - 5: The numbers refer to the order of inspection.
(continued on next page)
*a: Open
*b: Short
*c: Ground short
*d: Noise
*3: Start control does not function.
*4: Accelerator position sensor NG signal is output.
*5: Engine does not stop.
TROUBLE DIAGNOSIS Ð GENERAL DESCRIPTIONZD30DDTi
Symptom Matrix Chart (Cont'd)
EC-63

SYSTEM Ð ENGINE CONTROL system
Malfunction
SYMPTOM
Reference page
Feature of symptom, Check pointHARD/NO
START/RESTART
(EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
KNOCK/DETONATION
LACK OF POWER
POOR ACCELERATION
HI IDLE
LOW IDLE 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 DECELERATINGWarranty symptom code AA AB AC AD AE AF
ENGINE CONTROL
EGR volume control valve circuit*a, *b
EC-222
*c*8
Glow relay circuit*a 1111
EC-239*9
*b*10
ECM relay (Self-shutoff) circuit*a 111
EC-79
*b*11
ECM, Connector circuit *a, *b2222222222222EC-121,
200, 213
Air conditioner relay circuit*a
EC-289*12
*b*13
Air conditioner switch circuit*a, *c
EC-289*13
*b*14
1 - 5: The numbers refer to the order of inspection.
(continued on next page)
*a: Open
*b: Short
*c: Ground short
*d: Noise
*8: Does not stop operating.
*9: Glow lamp does not turn on.
*10: Glow lamp does not turn off. *11: Ground short makes engine unable to stop.
*12: Air conditioner does not operate.
*13: Air conditioner does not stop operating.
*14: Air conditioner does not work.
TROUBLE DIAGNOSIS Ð GENERAL DESCRIPTIONZD30DDTi
Symptom Matrix Chart (Cont'd)
EC-64

SYSTEM Ð ENGINE CONTROL system
Malfunction
SYMPTOM
Reference page
Feature of symptom, Check pointROUGH 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 lamp illuminates.
Can be detected by CONSULT-II?
Fuel cutBLACK SMOKE
WHITE SMOKEWarranty symptom code AG AH AJ AK AL AM AP HA
ENGINE CONTROL
EGR volume control valve circuit*a, *b
EC-222
*c 1 *8
Glow relay circuit*a 1
EC-239*9
*b*10
ECM relay (Self-shutoff) circuit*a 1
EC-79
*b 1 1 *11
ECM, Connector circuit *a, *b222222222222EC-121,
200, 213
Air conditioner relay circuit*a
EC-289*12
*b*13
Air conditioner switch circuit*a, *c
EC-289*13
*b*14
1 - 5: The numbers refer to the order of inspection.
*a: Open
*b: Short
*c: Ground short
*d: Noise
*8: Does not stop operating.
*9: Glow lamp does not turn on.
*10: Glow lamp does not turn off.
*11: Ground short makes engine unable to stop.
*12: Air conditioner does not operate.
*13: Air conditioner does not stop operating.
*14: Air conditioner does not work.
TROUBLE DIAGNOSIS Ð GENERAL DESCRIPTIONZD30DDTi
Symptom Matrix Chart (Cont'd)
EC-65

CONSULT-II Reference Value in Data Monitor
Mode
Remarks:
ISpecification data are reference values.
ISpecification data are output/input values which are detected or supplied by the ECM at the connector.
* Specification data may not be directly related to their components signals/values/operations.
MONITOR ITEM CONDITION SPECIFICATION
CKPS×RPM (TDC)
ITachometer: Connect
IRun engine and compare tachometer indication with the CONSULT-II value.Almost the same speed as the
CONSULT-II value.
CMPS×RPM-PUMP
COOLAN TEMP/SIEngine: After warming up More than 70ÉC (158ÉF)
VHCL SPEED SEITurn drive wheels and compare speedometer indication with the CONSULT-II valueAlmost the same speed as the
CONSULT-II value
FUEL TEMP SENIEngine: After warming up More than 40ÉC (104ÉF)
ACCEL POS SENIIgnition switch: ON
(Engine stopped)Accelerator pedal: fully released 0.40 - 0.60V
Accelerator pedal: fully depressed Approx. 4.5V
FULL ACCEL SWIIgnition switch: ON
(Engine stopped)Accelerator pedal: fully depressed ON
Except above OFF
ACCEL SW (FC)IIgnition switch: ON
(Engine stopped)Accelerator pedal: fully released CLOSE
Accelerator pedal: slightly open OPEN
OFF ACCEL SWIIgnition switch: ON
(Engine stopped)Accelerator pedal: fully released ON
Accelerator pedal: slightly open OFF
SPILL/VIEngine: After warming up Approx. 13ÉCA
BATTERY VOLTIIgnition switch: ON (Engine stopped) 11 - 14V
P/N POSI SWIIgnition switch: ONShift lever: Park/Neutral ON
Except above OFF
START SIGNALIIgnition switch: ON,START,ON OFF,ON,OFF
AIR COND SIGIEngine: After warming up, idle the
engineAir conditioner switch: OFF OFF
Air conditioner switch: ON
(Compressor operates.)ON
BRAKE SWIIgnition switch: ONBrake pedal: depressed ON
Brake pedal: released OFF
IGN SWIIgnition switch: ON,OFF ON,OFF
WARM UP SWIIgnition switch: ONHeat up switch: ON ON
Heat up switch: OFF OFF
MAS AIR/FL SEIEngine: After warming up
IAir conditioner switch: OFF
IShift lever: Neutral position
INo-loadIdle 1.6 - 2.0V
DECELER F/CUTIEngine: After warming up Idle OFF
INJ TIMG C/VIEngine: After warming up, idle the engine. Approx. 50 - 70%
AIR COND RLYIEngine: After warming up, idle the
engineAir conditioner switch: OFF OFF
Air conditioner switch: ON
(Compressor operates.)ON
GLOW RLYIRefer to EC-239.
COOLING FANIWhen cooling fan is stopped. OFF
IWhen cooling fan operates. ON
TROUBLE DIAGNOSIS Ð GENERAL DESCRIPTIONZD30DDTi
EC-66

MONITOR ITEM CONDITION SPECIFICATION
EGR VOL CON/VIEngine: After warming up
IAir conditioner switch: ªOFFº
IShift lever: Neutral position
INo-loadAfter 1 minute of idling More than 10 steps
Revving engine from idle to 3,200 rpm 0 step
VNT S/V 1IEngine: After warming up
IAir conditioner switch: ªOFFº
IShift lever: Neutral position
INo-loadIdle Approx. 56%
2,000 rpm Approx. 20%
BARO SENIIgnition switch: ONAltitude
Approx.0m(0ft): Approx. 100.62
kPa (1.0062 bar, 1.026 kg/cm
2,
14.59 psi)
Approx. 1,000 m (3,281 ft): Approx.
88.95 kPa (0.8895 bar, 0.907
kg/cm
2, 12.90 psi)
Approx. 1,500 m (4,922 ft): Approx.
83.16 kPa (0.8316 bar, 0.848
kg/cm
2, 12.06 psi)
Approx. 2,000 m (6,562 ft): Approx.
78.36 kPa (0.7836 bar, 0.799
kg/cm
2, 11.36 psi)
SWRL CON S/V 1ILift up the vehicle
IEngine: After warming up let it idle for
more than 1 second.
IAir conditioner switch: ªOFFº
INo-loadShift lever: Except ªPº and ªNeutralº posi-
tionsON
Shift lever: Neutral position OFF
TROUBLE DIAGNOSIS Ð GENERAL DESCRIPTIONZD30DDTi
CONSULT-II Reference Value in Data Monitor
Mode (Cont'd)
EC-67