Nissan Qashqai J11. Manual — part 495
EC9-136
< WIRING DIAGRAM >
[R9M]
ENGINE CONTROL SYSTEM
JRBWC6118GB
BASIC INSPECTION
EC9-137
< BASIC INSPECTION >
[R9M]
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BASIC INSPECTION
BASIC INSPECTION
Work Procedure
INFOID:0000000010309013
1.
INSPECTION START
1.
Check service records for any recent repairs that may indicate a related incident.
2.
Check the current need for scheduled maintenance, especially for fuel filter and air cleaner filter. Refer to
MA-37, "R9M : Periodic Maintenance"
.
3.
Open engine hood and check the following:
-
Harness connectors for improper connections
-
Vacuum hoses for splits, kinks, or improper connections
-
Wiring for improper connections, pinches, or cuts
4.
Start engine and warm it up to the normal operating tempera-
ture.
>> GO TO 2.
2.
CHECK IDLE SPEED
Check idle speed.
For procedure, refer to
.
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 3.
3.
CHECK FOR INTAKE AIR LEAK
1.
Stop engine.
2.
Listen for an intake air leak after the mass air flow sensor.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace. Refer to
4.
BLEED AIR FROM FUEL SYSTEM
Use priming pump to bleed air from fuel system. Refer to
>> GO TO 5.
5.
CHECK IDLE SPEED AGAIN
Check idle speed.
For procedure, refer to
.
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 6.
6.
DRAIN WATER FROM FUEL FILTER
1.
Stop engine.
2.
Drain water from fuel filter. Refer to
SEF142I
EC9-138
< BASIC INSPECTION >
[R9M]
BASIC INSPECTION
>> GO TO 7.
7.
CHECK IDLE SPEED AGAIN
Check idle speed.
For procedure, refer to
.
For specification, refer to
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 8.
8.
CHECK AIR CLEANER FILTER
1.
Stop engine.
2.
Check air cleaner filter for clogging or breaks.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Replace air cleaner filter. Refer to
EM-380, "Removal and Installation"
.
9.
CHECK BATTERY VOLTAGE
Check battery voltage.
Is the inspection result normal?
YES
>> GO TO 11.
NO
>> GO TO 10.
10.
CHECK BATTERY
PG-136, "FOR MAINTENANCE REQUIRED BATTERY MODELS : How to Handle Battery"
(for main-
tenance required battery models) or
PG-142, "FOR MAINTENANCE FREE BATTERY MODELS : How to
(for maintenance free battery models).
Is the inspection result normal?
YES
>> Check charging system. Refer to
NO
>> Repair or replace. Refer to
PG-155, "Removal and Installation"
.
11.
CHECK COMPRESSION PRESSURE
Check compression pressure.
Is the inspection result normal?
YES
>> GO TO 12.
NO
>> Repair or replace error-detected parts.
12.
CHECK IDLE SPEED AGAIN
Check idle speed.
For procedure, refer to
.
For specification, refer to
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> 1.
Replace fuel injector. Refer to
EM-404, "Removal and Installation"
2.
.
3.
GO TO 2.
Voltage:
More than 12.13V
DIAGNOSIS AND REPAIR WORKFLOW
EC9-139
< BASIC INSPECTION >
[R9M]
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DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
INFOID:0000000010309014
OVERALL SEQUENCE
DETAILED FLOW
1.
GET INFORMATION FOR SYMPTOM
JMBIA1804GB
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