Infiniti FX35, FX50 (S51). Manual — part 620
INSPECTION AND ADJUSTMENT
EC-21
< BASIC INSPECTION >
[VQ35HR]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
2.
Rev engine (2,000 to 3,000 rpm) 2 or 3 times under no load,
then run engine at idle speed for approximately 1 minute.
3.
Check idle speed.
For procedure, refer to
EC-24, "IDLE SPEED : Special Repair
.
For specification, refer to
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> GO TO 4.
4.
PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING
1.
Stop engine.
2.
Perform
EC-25, "ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Require-
.
>> GO TO 5.
5.
PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
Perform
EC-25, "THROTTLE VALVE CLOSED POSITION LEARNING : Special Repair Requirement"
>> GO TO 6.
6.
PERFORM IDLE AIR VOLUME LEARNING
Perform
EC-25, "IDLE AIR VOLUME LEARNING : Special Repair Requirement"
Is Idle Air Volume Learning carried out successfully?
YES
>> GO TO 7.
NO
>> Follow the instruction of Idle Air Volume Learning. Then GO TO 4.
7.
CHECK IDLE SPEED AGAIN
1.
Start engine and warm it up to normal operating temperature.
2.
Check idle speed.
For procedure, refer to
EC-24, "IDLE SPEED : Special Repair Requirement"
For specification, refer to
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> GO TO 8.
8.
DETECT MALFUNCTIONING PART
Check the Following.
• Check camshaft position sensor and circuit. Refer to
EC-277, "Component Inspection"
.
• Check crankshaft position sensor and circuit. Refer to
EC-271, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Repair or replace malfunctioning part. Then GO TO 4.
9.
CHECK ECM FUNCTION
1.
Substitute with a non-malfunctioning ECM to check ECM function. (ECM may be the cause of the incident,
although this is rare.)
2.
Perform initialization of IVIS (NATS) system and registration of all IVIS (NATS) ignition key IDs. Refer to
SEC-8, "ECM RE-COMMUNICATING FUNCTION : Special Repair Requirement"
.
>> GO TO 4.
10.
CHECK IGNITION TIMING
1.
Run engine at idle.
2.
Check ignition timing with a timing light.
PBIA8513J
EC-22
< BASIC INSPECTION >
[VQ35HR]
INSPECTION AND ADJUSTMENT
For procedure, refer to
EC-24, "IGNITION TIMING : Special Repair Requirement"
.
For specification, refer to
Is the inspection result normal?
YES
>> GO TO 19.
NO
>> GO TO 11.
11.
PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING
1.
Stop engine.
2.
Perform
EC-25, "ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Require-
>> GO TO 12.
12.
PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
Perform
EC-25, "THROTTLE VALVE CLOSED POSITION LEARNING : Special Repair Requirement"
>> GO TO 13.
13.
PERFORM IDLE AIR VOLUME LEARNING
Perform
EC-25, "IDLE AIR VOLUME LEARNING : Special Repair Requirement"
Is Idle Air Volume Learning carried out successfully?
YES
>> GO TO 14.
NO
>> Follow the instruction of Idle Air Volume Learning. Then GO TO 4.
14.
CHECK IDLE SPEED AGAIN
1.
Start engine and warm it up to normal operating temperature.
2.
Check idle speed.
For procedure, refer to
EC-24, "IDLE SPEED : Special Repair Requirement"
For specification, refer to
Is the inspection result normal?
YES
>> GO TO 15.
NO
>> GO TO 17.
15.
CHECK IGNITION TIMING AGAIN
1.
Run engine at idle.
2.
Check ignition timing with a timing light.
For procedure, refer to
EC-24, "IGNITION TIMING : Special Repair Requirement"
.
For specification, refer to
Is the inspection result normal?
YES
>> GO TO 19.
NO
>> GO TO 16.
16.
CHECK TIMING CHAIN INSTALLATION
Check timing chain installation. Refer to
EM-54, "Removal and Installation"
Is the inspection result normal?
YES
>> GO TO 17.
NO
>> Repair the timing chain installation. Then GO TO 4.
17.
DETECT MALFUNCTIONING PART
Check the following.
• Check camshaft position sensor and circuit. Refer to
EC-277, "Component Inspection"
.
• Check crankshaft position sensor and circuit. Refer to
EC-271, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 18.
NO
>> Repair or replace malfunctioning part. Then GO TO 4.
18.
CHECK ECM FUNCTION
INSPECTION AND ADJUSTMENT
EC-23
< BASIC INSPECTION >
[VQ35HR]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
1.
Substitute with a non-malfunctioning ECM to check ECM function. (ECM may be the cause of the incident,
although this is rare.)
2.
Perform initialization of IVIS (NATS) system and registration of all IVIS (NATS) ignition key IDs. Refer to
SEC-8, "ECM RE-COMMUNICATING FUNCTION : Special Repair Requirement"
.
>> GO TO 4.
19.
INSPECTION END
If ECM is replaced during this BASIC INSPECTION procedure, go to
EC-23, "ADDITIONAL SERVICE WHEN
REPLACING CONTROL UNIT : Special Repair Requirement"
.
>> INSPECTION END
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description
INFOID:0000000005236676
When replacing ECM, the following procedure must be performed.
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Re-
quirement
INFOID:0000000005236677
1.
PERFORM INITIALIZATION OF IVIS (NATS) SYSTEM AND REGISTRATION OF ALL IVIS (NATS) IGNI-
TION KEY IDS
SEC-8, "ECM RE-COMMUNICATING FUNCTION : Special Repair Requirement"
>> GO TO 2.
2.
PERFORM VIN REGISTRATION
EC-24, "VIN REGISTRATION : Special Repair Requirement"
.
>> GO TO 3.
3.
PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING
Refer to
EC-25, "ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Requirement"
.
>> GO TO 4.
4.
PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
EC-25, "THROTTLE VALVE CLOSED POSITION LEARNING : Special Repair Requirement"
>> GO TO 5.
5.
PERFORM IDLE AIR VOLUME LEARNING
EC-25, "IDLE AIR VOLUME LEARNING : Special Repair Requirement"
>> GO TO 6.
6.
PERFORM EXHAUST VALVE TIMING CONTROL LEARNING
EC-27, "EXHAUST VALVE TIMING CONTROL LEARNING : Special Repair Requirement"
.
>> END
IDLE SPEED
EC-24
< BASIC INSPECTION >
[VQ35HR]
INSPECTION AND ADJUSTMENT
IDLE SPEED : Description
INFOID:0000000005236678
This describes how to check the idle speed. For the actual procedure, follow the instructions in “BASIC
INSPECTION”.
IDLE SPEED : Special Repair Requirement
INFOID:0000000005236679
1.
CHECK IDLE SPEED
With CONSULT-III
Check idle speed in “DATA MONITOR” mode with CONSULT-III.
With GST
Check idle speed with Service $01 of GST.
>> INSPECTION END
IGNITION TIMING
IGNITION TIMING : Description
INFOID:0000000005236680
This describes how to check the ignition timing. For the actual procedure, follow the instructions in “BASIC
INSPECTION”.
IGNITION TIMING : Special Repair Requirement
INFOID:0000000005236681
1.
CHECK IGNITION TIMING
1.
Attach timing light to loop wire as shown.
2.
Check ignition timing.
>> INSPECTION END
VIN REGISTRATION
VIN REGISTRATION : Description
INFOID:0000000005236682
VIN Registration is an operation to register VIN in ECM. It must be performed each time ECM is replaced.
NOTE:
Accurate VIN which is registered in ECM may be required for Inspection & Maintenance (I/M).
VIN REGISTRATION : Special Repair Requirement
INFOID:0000000005236683
1.
CHECK VIN
Check the VIN of the vehicle and note it. Refer to
GI-17, "Information About Identification or Model Code"
>> GO TO 2.
1.
Loop wire
A.
Timing light
B.
Timing indicator
JMBIA1517ZZ
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст