Nissan Juke Service and Repair Manual : High pressure fuel pump
Component Function Check
1.CHECK HIGH PRESSURE FUEL PUMP FUNCTION
With CONSULT-III
1. Start engine.
2. Check “FUEL PRES SEN V” in “DATA MONITOR” mode of “ENGINE” using CONSULT-III.
Without CONSULT-III
1. Start engine.
2. Check the voltage between ECM harness connector terminals as per the following conditions.
Is the inspection result normal? YES >> INSPECTION END
NO >> Proceed to EC-410, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK HIGH PRESSURE FUEL PUMP POWER SUPPLY
1. Turn ignition switch ON.
2. Check the voltage between ECM harness connector and ground.
Is inspection result normal?
YES >> GO TO 8.
NO >> GO TO 2.
2.CHECK HIGH PRESSURE FUEL PUMP POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Disconnect fuel injector relay harness connector.
4. Check the continuity between ECM harness connector and high pressure fuel pump relay harness connector.
5. Also check harness for short to ground.
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace error-detected parts
3.CHECK HIGH PRESSURE FUEL PUMP RELAY POWER SUPPLY (CONTACT SIDE)
Check the voltage between high pressure fuel pump relay harness connector and ground.
Is the inspection result normal? YES >> GO TO 4.
NO >> Perform the trouble diagnosis for power supply circuit.
4.CHECK HIGH PRESSURE FUEL PUMP RELAY POWER SUPPLY (EXCITATION COIL SIDE)
1. Reconnect all harness connectors disconnected.
2. Turn ignition switch ON.
3. Check the voltage between high pressure fuel pump relay harness connector and ground.
Is the inspection result normal? YES >> GO TO 6.
NO >> GO TO 5 5.CHECK HIGH PRESSURE FUEL PUMP RELAY POWER SUPPLY CIRCUIT (EXCITATION COIL SIDE)
1. Turn ignition switch OFF.
2. Disconnect high pressure fuel pump relay harness connector.
3. Disconnect IPDM E/R harness connector.
4. check the continuity between ipdm e/r harness connector and high pressure fuel pump harness connector.
5. Also check harness for short to ground.
Is the inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
6.CHECK HIGH PRESSURE FUEL PUMP RELAY GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect high pressure fuel pump relay harness connector.
3. Check the continuity between high pressure fuel pump relay harness connector and ground.
4. Also check harness for short to power.
Is the inspection result normal? YES >> GO TO 7.
NO >> Repair or replace error-detected parts.
7.CHECK HIGH PRESSURE FUEL PUMP RELAY
Check the high pressure fuel pump relay. Refer to EC-413, "Component Inspection (High Pressure Fuel Pump Relay)".
Is inspection result normal? YES >> GO TO 8.
NO >> Replace high pressure fuel pump relay. Refer to PG-7, "Standardized Relay".
8.CHECK HIGH PRESSURE FUEL PUMP CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector and high pressure fuel pump harness connector.
3. Check the continuity between ECM harness connector and high pressure fuel pump harness connector.
4. Also check harness for short to ground and to power.
Is inspection result normal? YES >> GO TO 9.
NO >> Repair or replace error-detected parts.
9.CHECK HIGH PRESSURE FUEL PUMP
Check the high pressure fuel pump. Refer to EC-413, "Component Inspection".
Is inspection result normal? YES >> GO TO 10.
NO >> Replace high pressure fuel pump. Refer to EM-43, "Exploded View".
10.CHECK HIGH PRESSURE FUEL PUMP INSTALLATION CONDITION
1. Turn ignition switch OFF.
2. Check that the high pressure fuel pump is installed with no backlash and looseness.
Is the inspection result normal? YES >> GO TO 11.
NO >> Repair or replace error-detected parts.
11.CHECK CAMSHAFT
1. Remove camshaft. Refer to EM-78, "Exploded View".
2. Check camshaft. Refer to EM-82, "Inspection".
Is inspection result normal? YES >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".
NO >> Replace camshaft. Refer to EM-78, "Exploded View".
Component Inspection
1.CHECK HIGH PRESSURE FUEL PUMP SOLENOID
1. Turn ignition switch OFF.
2. Disconnect high pressure fuel pump harness connector.
3. Check the resistance between high pressure fuel pump connector terminals as per the following.
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace high pressure fuel pump. Refer to EM-43, "Exploded View".
Component Inspection (High Pressure Fuel Pump Relay)
1.CHECK HIGH PRESSURE FUEL PUMP RELAY
1. Turn ignition switch OFF.
2. Remove high pressure fuel pump relay. Refer to PG-7, "Standardized Relay".
3. Check the continuity between high pressure fuel pump relay terminals as per the following conditions.
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace high pressure fuel pump relay. Refer to PG-7, "Standardized Relay".
Low pressure fuel pump
M/T models : Component Function Check
1.CHECK FUEL PUMP FUNCTION
1. Turn ignition switch ON.
2. Pinch fuel feed hose with two fingers.
NOTE:
Fuel pressure pulsation should be felt on the fuel f ...
Ignition signal
Component Function Check
1.INSPECTION START
Turn ignition switch OFF, and restart engine.
Does the engine start?
YES >> GO TO 2.
NO >> Proceed to EC-414, "Diagnosis Procedure ...
Other materials:
Inspection
OIL LEAKAGE
Make sure that gear oil is not leaking from transaxle or around it.
OIL LEVEL
1. Remove filler plug (1) and gasket from transaxle case.
2. Check the oil level from filler plug mounting hole as shown in the
figure.
CAUTION:
Never start engine while checking oil level.
3. Set a ...
Installing front license plate
Use the following steps to mount the license plate:
Before mounting the license plate, confirm that the following parts are enclosed
in the plastic bag.
• License plate bracket
• J-nut 2
• Screw 2
• Screw grommet 2
1. Park the vehicle on flat, level g ...
P17Ba primary pressure solenoid
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PREPARATION BEFORE WORK
If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition
switch OFF and wait for at
least 10 seconds, then perform the next test.
>> GO TO 2.
2.CHECK DTC DETECTION
1. S ...