Nissan Juke (2016 year). Service Repair Manual — part 216
FUEL INJECTOR
EC-543
< DTC/CIRCUIT DIAGNOSIS >
[MR FOR NISMO RS MODELS]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Perform the trouble diagnosis for power supply circuit.
6.
CHECK FUEL INJECTOR RELAY POWER SUPPLY (EXCITATION COIL SIDE)
1. Reconnect all harness connectors disconnected.
2. Turn ignition switch ON.
3. Check the voltage between fuel injector relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> GO TO 7
7.
CHECK FUEL INJECTOR RELAY POWER SUPPLY CIRCUIT (EXCITATION COIL SIDE)
1. Turn ignition switch OFF.
2. Disconnect fuel injector relay harness connector.
3. Disconnect IPDM E/R harness connector.
4. Check the continuity between IPDM E/R harness connector and fuel injector 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.
8.
CHECK FUEL INJECTOR RELAY GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect fuel injector relay harness connector.
3. Check the continuity between fuel injector relay harness connector and ground.
4. Also check harness for short to power.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Repair or replace error-detected parts.
9.
CHECK FUEL INJECTOR GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between fuel injector harness connector and ECM harness connector.
+
−
Voltage
Fuel injector relay
Connector
Terminal
E57
1
Ground
Battery voltage
+
−
Continuity
IPDM E/R
Fuel injector relay
Connector
Terminal
Connector
Terminal
E14
35
E57
1
Existed
+
−
Continuity
Fuel injector relay
Connector
Terminal
E57
2
Ground
Existed
Revision: November 2015
2016 JUKE
EC-544
< DTC/CIRCUIT DIAGNOSIS >
[MR FOR NISMO RS MODELS]
FUEL INJECTOR
4. Also check harness for short to ground and to power.
Is the inspection result normal?
YES
>> GO TO 11.
NO
>> Repair or replace error-detected parts.
10.
CHECK FUEL INJECTOR RELAY
Check the fuel injector relay. Refer to
EC-544, "Component Inspection (Fuel Injector Relay)"
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-45, "Intermittent Incident"
NO
>> Replace fuel injector relay. Refer to
.
11.
CHECK FUEL INJECTOR
Check the fuel injector. Refer to
EC-544, "Component Inspection (Fuel Injector)"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-45, "Intermittent Incident"
NO
>> Replace malfunctioning fuel injector. Refer to
Component Inspection (Fuel Injector)
INFOID:0000000012198089
1.
CHECK FUEL INJECTOR
1. Turn ignition switch OFF.
2. Disconnect fuel injector harness connector.
3. Check resistance between fuel injector terminals as per the following.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace malfunctioning fuel injector.
Component Inspection (Fuel Injector Relay)
INFOID:0000000012198090
1.
CHECK FUEL INJECTOR RELAY
1. Turn ignition switch OFF.
2. Remove fuel injector relay.
+
−
Continuity
Fuel injector
ECM
Cylinder
Connector
Terminal
Connector
Terminal
1
F65
2
F25
5
Existed
2
F66
2
6
3
F67
2
7
4
F68
2
8
Fuel injector
Resistance
+
−
Terminals
1
2
1.44 - 1.73
Ω
[at 10 - 60
°
C (50 - 140
°
F)]
Revision: November 2015
2016 JUKE
FUEL INJECTOR
EC-545
< DTC/CIRCUIT DIAGNOSIS >
[MR FOR NISMO RS MODELS]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
3. Check the continuity between fuel heater relay terminals as per
the following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace fuel injector relay.
Fuel injector relay
Conditions
Continuity
+
−
Terminal
3
5
12 V direct current supply between ter-
minals 1 and 2
Existed
No current supply
Not existed
6
7
12 V direct current supply between ter-
minals 1 and 2
Existed
No current supply
Not existed
PBIB0077E
Revision: November 2015
2016 JUKE
EC-546
< DTC/CIRCUIT DIAGNOSIS >
[MR FOR NISMO RS MODELS]
LOW PRESSURE FUEL PUMP
LOW PRESSURE FUEL PUMP
Component Function Check
INFOID:0000000012198091
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 feed hose for 1 second after ignition switch is turned ON.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Proceed to
.
Diagnosis Procedure
INFOID:0000000012198092
1.
CHECK FUEL PUMP RELAY POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Turn ignition switch ON.
4. Check the voltage between ECM harness connector terminals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK FUEL PUMP RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R harness connector.
3. Check the continuity between ECM harness connector and IPDM E/R harness connector.
4. 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.
3.
CHECK LOW FUEL PUMP POWER SUPPLY
1. Turn ignition switch OFF.
2. Reconnect ECM harness connector.
3. Disconnect fuel level sensor unit and fuel pump harness connector.
4. Turn ignition switch ON.
5. Check the voltage between fuel level sensor unit and fuel pump harness connector and ground.
ECM
Voltage
Connector
+
−
Terminal
E18
117
127
Battery voltage
+
−
Continuity
ECM
IPDM E/R
Connector
Terminal
Connector
Terminal
E18
117
E13
31
Existed
Revision: November 2015
2016 JUKE
LOW PRESSURE FUEL PUMP
EC-547
< DTC/CIRCUIT DIAGNOSIS >
[MR FOR NISMO RS MODELS]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK LOW FUEL PUMP POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R harness connector.
3. Check the continuity between fuel level sensor unit and fuel pump harness connector and IPDM E/R har-
ness connector.
4. 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.
5.
CHECK LOW FUEL PUMP GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check the continuity between fuel level sensor unit and fuel pump harness connector and ground.
3. Also check harness for short to power.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace error-detected parts.
6.
CHECK LOW FUEL PUMP
Check the low fuel pump. Refer to
EC-547, "Component Inspection"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-45, "Intermittent Incident"
.
NO
>> Replace fuel level sensor unit and fuel pump. Refer to
Component Inspection
INFOID:0000000012198093
1.
CHECK FUEL PRESSURE REGULATOR
1. Turn ignition switch OFF.
2. Check low fuel pressure. Refer to
Is inspection result normal?
+
−
Voltage
Fuel level sensor unit
and fuel pump
Connector
Terminal
B46
1
Ground
Battery voltage should for exist 1
second after ignition switch is turn
ON.
+
−
Continuity
Fuel level sensor unit and
fuel pump
IPDM E/R
Connector
Terminal
Connector
Terminal
B46
1
E15
54
Existed
+
−
Continuity
Fuel level sensor unit and
fuel pump
Connector
Terminal
B46
3
Ground
Existed
Revision: November 2015
2016 JUKE
EC-548
< DTC/CIRCUIT DIAGNOSIS >
[MR FOR NISMO RS MODELS]
LOW PRESSURE FUEL PUMP
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
CHECK LOW PRESSURE FUEL PUMP
1. Turn ignition switch OFF.
2. Disconnect fuel level sensor unit.
3. Check resistance between fuel level sensor unit terminals as follows.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace fuel level sensor unit. Refer to
Fuel level sensor unit
Condition
Resistance
+
−
Terminals
2
4
Temperature: 25
°
C (77
°
F)
0.2 - 5.0
Ω
Revision: November 2015
2016 JUKE
HIGH PRESSURE FUEL PUMP
EC-549
< DTC/CIRCUIT DIAGNOSIS >
[MR FOR NISMO RS MODELS]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
HIGH PRESSURE FUEL PUMP
Component Function Check
INFOID:0000000012198094
1.
CHECK HIGH PRESSURE FUEL PUMP FUNCTION
With CONSULT
1. Start engine.
2. Check “FUEL PRES SEN V” in “DATA MONITOR” mode of “ENGINE” using CONSULT.
Without CONSULT
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
.
Diagnosis Procedure
INFOID:0000000012198095
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?
Monitor Item
Condition
Values/Status
FUEL PRES SEN V
Engine speed: Idle
1,140 – 1,460 mV
Engine speed: Revving engine
from idle to 4,000 rpm quickly
1,300 – 2,900 mV
ECM
Condition
Voltage
Connector
+
−
Terminal
F26
55
50
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes depending on rpm
at idle
BATTERY VOLTAGE
(11 - 14 V)
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
BATTERY VOLTAGE
(11 - 14 V)
JPBIA4722ZZ
JPBIA4723ZZ
+
−
Voltage
ECM
Connector
Terminal
F26
54
Ground
Battery voltage
Revision: November 2015
2016 JUKE
EC-550
< DTC/CIRCUIT DIAGNOSIS >
[MR FOR NISMO RS MODELS]
HIGH PRESSURE FUEL PUMP
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 con-
nector.
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 connec-
tor.
+
−
Continuity
ECM
High pressure fuel pump re-
lay
Connector
Terminal
Connector
Terminal
F26
54
E58
3
Existed
+
−
Voltage
High pressure fuel pump relay
Connector
Terminal
E58
5
Ground
Battery voltage
+
−
Voltage
High pressure fuel pump relay
Connector
Terminal
E58
2
Ground
Battery voltage
Revision: November 2015
2016 JUKE
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