Nissan Juke F15. Instruction — part 598
FUEL INJECTOR
EC-1205
< DTC/CIRCUIT DIAGNOSIS >
[MR EXCEPT FOR NISMO RS MODELS]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
4. 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 FUEL INJECTOR DRIVER POWER SUPPLY
1. Reconnect ECM harness connector.
2. Turn ignition switch ON.
3. Check the voltage between ECM harness connector and ground.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-45, "Intermittent Incident"
NO
>> GO TO 4.
4.
CHECK FUEL INJECTOR DRIVER 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 fuel injector relay harness connector.
5. Also check harness for short to ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts
5.
CHECK FUEL INJECTOR RELAY POWER SUPPLY (CONTACT SIDE)
Check the voltage between fuel injector relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
Fuel injector
ECM
Continuity
Cylinder
Connector
Terminal
Connector
Terminal
1
F65
1
F23
1
Existed
2
F66
1
7
3
F67
1
4
F68
1
1
+
−
Voltage
ECM
Connector
Terminal
F23
4
Ground
Battery voltage
5
ECM
Fuel injector relay
Continuity
Connector
Terminal
Connector
Terminal
F23
4
E57
5
Existed
5
7
+
−
Voltage
Fuel injector relay
Connector
Terminal
E57
3
Ground
Battery voltage
6
EC-1206
< DTC/CIRCUIT DIAGNOSIS >
[MR EXCEPT FOR NISMO RS MODELS]
FUEL INJECTOR
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
IPDM E/R
Fuel injector relay
Continuity
Connector
Terminal
Connector
Terminal
E14
35
E57
1
Existed
Fuel injector relay
−
Continuity
Connector
Terminal
E57
2
Ground
Existed
FUEL INJECTOR
EC-1207
< DTC/CIRCUIT DIAGNOSIS >
[MR EXCEPT FOR NISMO RS MODELS]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
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-1207, "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.
11.
CHECK FUEL INJECTOR
Check the fuel injector. Refer to
EC-1207, "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:0000000012198738
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:0000000012198739
1.
CHECK FUEL INJECTOR RELAY
1. Turn ignition switch OFF.
2. Remove fuel injector relay.
3. Check the continuity between fuel heater relay terminals as per the following conditions.
Fuel injector
ECM
Continuity
Cylinder
Connector
Terminal
Connector
Terminal
1
F65
2
F23
8
Existed
2
F66
2
2
3
F67
2
3
4
F68
2
6
Fuel injector
Resistance
+
−
Terminals
1
2
1.44 - 1.73
Ω [at 10 - 60°C (50 - 140°F)]
+
−
Conditions
Continuity
Fuel injector relay
Terminal
3
5
12 V direct current supply between ter-
minals 1 and 2
Existed
No current supply
Not existed
EC-1208
< DTC/CIRCUIT DIAGNOSIS >
[MR EXCEPT FOR NISMO RS MODELS]
FUEL INJECTOR
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace fuel injector relay.
6
7
12 V direct current supply between ter-
minals 1 and 2
Existed
No current supply
Not existed
+
−
Conditions
Continuity
Fuel injector relay
Terminal
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст