Nissan Juke F15. Instruction — part 503
P0088 FRP CONTROL SYSTEM
EC-825
< 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
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace high pressure fuel pump. Refer to
ECM
Condition
Value
(Approx.)
Connector
+
−
Terminal
F23
25
13
Engine speed: idle
1.14 – 1.46 V
Engine speed: Revving engine from idle to 4,000 rpm quickly
1.3 – 2.9 V
EC-826
< DTC/CIRCUIT DIAGNOSIS >
[MR EXCEPT FOR NISMO RS MODELS]
P0090 HIGH PRESSURE FUEL PUMP
P0090 HIGH PRESSURE FUEL PUMP
DTC Logic
INFOID:0000000012198328
DTC DETECTION LOGIC
NOTE:
• If DTC P0090 is displayed with DTC P1197, first perform the trouble diagnosis for DTC P1197. Refer to
• DTC P0090 may be displayed when running out of gas.
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC CONFIRMATION PROCEDURE has been previously conducted, always perform the following proce-
dure before conducting the next test.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
• Before performing the following procedure, confirm that battery voltage is 11 V or more at idle.
• Before performing the following procedure, check that the fuel tank is 1/8 full of fuel.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE-I
WITH CONSULT
1. Start engine.
2. Select “COOLAN TEMP/S” in “DATA MONITOR” mode of “ENGNE” using CONSULT.
3. Maintain the following condition for 5 seconds or more at idle.
4. Check 1st trip DTC.
WITH GST
Follow the above steps for “WITH CONSULT”.
Is 1st trip DTC detected?
YES
>> Proceed to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000012198329
1.
CHECK HIGH PRESSURE FUEL PUMP CIRCUIT
1. Turn ignition switch ON.
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.
DTC No.
Trouble diagnosis name
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0090
FUEL PUMP
(High pressure fuel pump cir-
cuit)
• Fuel rail pressure remains at 1.5 MPa
(15 bar, 15.3 kg/ cm
2
, 217.5 psi) or
less for 3 seconds or more during en-
gine rev.
• Fuel rail pressure remains at 18.5
MPa (185 bar, 188.7 kg/ cm
2
, 2682.5
psi) or more for 0.3 seconds or more
during engine rev.
• Harness or connectors
(The fuel pump circuit is open or shorted.)
• High pressure fuel pump
COOLAN TEMP/S
: 70
°C (104°F) or more
P0090 HIGH PRESSURE FUEL PUMP
EC-827
< 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 inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace the error-detected parts.
2.
CHECK HIGH PRESSURE FUEL PUMP
Check high pressure fuel pump. Refer to
EC-827, "Component Inspection (High Pressure Fuel Pump)"
.
Is inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-45, "Intermittent Incident"
.
NO
>> Replace the error-detected parts.
Component Inspection (High Pressure Fuel Pump)
INFOID:0000000012198330
1.
CHECK HIGH PRESSURE FUEL PUMP-1
1. Turn ignition switch OFF.
2. Disconnect high pressure fuel pump harness connector.
3. Check the resistance between high pressure fuel pump terminals.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace high pressure fuel pump. Refer to
2.
CHECK HIGH PRESSURE FUEL PUMP-2
WITH CONSULT
1. Reconnect high pressure fuel pump harness connector.
2. Start the engine.
3. Check “FUEL PRES SEN V” in “DATA MONITOR” mode of “ECM” using CONSULT.
WITHOUT CONSULT
1. Reconnect high pressure fuel pump harness connector.
2. Start the engine.
3. Check FRP sensor signal voltage.
+
−
Value
(Approx.)
ECM
High pressure fuel pump
Connector
Terminal
Connector
Terminal
F23
48
F53
1
Existed
49
2
+
−
Condition
Resistance
(Approx.)
High pressure fuel pump
Terminal
1
2
Temperature
°C (°F)
20 – 30 (68 - 86)
0.46 - 0.51
Ω
Monitor item
Condition
Value
(Approx.)
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
EC-828
< DTC/CIRCUIT DIAGNOSIS >
[MR EXCEPT FOR NISMO RS MODELS]
P0090 HIGH PRESSURE FUEL PUMP
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace high pressure fuel pump. Refer to
.
ECM
Condition
Value
(Approx.)
Connector
+
−
Terminal
F23
25
13
Engine speed: idle
1.14 – 1.46 V
Engine speed: Revving engine from idle to 4,000 rpm quickly
1.3 – 2.9 V
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