Infiniti QX56 (Z62). Manual — part 1295
DIAGNOSIS AND REPAIR WORK FLOW
TM-89
< BASIC INSPECTION >
[7AT: RE7R01B]
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6.
IDENTIFY MALFUNCTIONING SYSTEM WITH “DIAGNOSIS CHART BY SYMPTOM”
Use
from the symptom inspection result in step 4. Then identify where to start per-
forming the diagnosis based on possible causes and symptoms.
>> GO TO 8.
7.
REPAIR OR REPLACE THE MALFUNCTIONING PARTS
Repair or replace the detected malfunctioning parts.
Reconnect parts or connector after repairing or replacing, and then erase DTC if necessary.
>> GO TO 8.
8.
FINAL CHECK
Perform “DTC CONFIRMATION PROCEDURE” again to make sure that the repair is correctly performed.
Check that malfunctions are not reproduced when obtaining the malfunction information from the customer,
referring to the symptom inspection result in step 3 or 4.
Is DTC or malfunction symptom reproduced?
YES-1 >> DTC is reproduced: GO TO 5.
YES-2 >> Malfunction symptom is reproduced: GO TO 6.
NO
>> Before delivering the vehicle to the customer, make sure that DTC is erased.
Question sheet
INFOID:0000000006226790
DESCRIPTION
There are many operating conditions that may cause a malfunction
of the transmission parts. By understanding those conditions prop-
erly, a quick and exact diagnosis can be achieved.
In general, customers have their own criteria for a problem. There-
fore, it is important to understand the symptom and status well
enough by asking the customer about the concerns carefully. In
order to systemize all the information for the diagnosis, prepare the
question sheet referring to the question points.
WORKSHEET SAMPLE
SEF907L
Question Sheet
Customer name MR/MS
Engine #
Manuf. Date
Incident Date
VIN
Model & Year
In Service Date
Trans.
Mileage
km / Mile
TM-90
< BASIC INSPECTION >
[7AT: RE7R01B]
DIAGNOSIS AND REPAIR WORK FLOW
Symptoms
Vehicle does not move (
Any position
Particular position )
No upshift (
1GR
→
2GR
2GR
→
3GR
3GR
→
4GR
4GR
→
5GR
5GR
→
6GR
6GR
→
7GR)
No downshift (
7GR
→
6GR
6GR
→
5GR
5GR
→
4GR
4GR
→
3GR
3GR
→
2GR
2GR
→
1GR)
Lock-up malfunction
Shift point too high or too low
Shift shock or slip
Noise or vibration
No kick down
No pattern select
Others
Frequency
All the time
Under certain conditions
Sometimes ( times a day)
Weather conditions
Not affected
Weather
Fine
Clouding
Raining
Snowing
Other ( )
Temp.
Hot
Warm
Cool
Cold
Temp. [Approx.
°
C (
°
F)]
Humidity
High
Middle
Low
Transmission conditions
Not affected
Cold
During warm-up
After warm-up
Engine speed ( rpm)
Road conditions
Not affected
In town
In suburbs
Freeway
Off road (Up / Down)
Driving conditions
Not affected
At starting
While idling
While engine racing
At racing
While cruis-
ing
While accelerating
While decelerating
While turning (Right / Left)
Vehicle speed [ km/h ( MPH)]
Other conditions
Question Sheet
ADDITIONAL SERVICE WHEN REPLACING TRANSMISSION ASSEMBLY
TM-91
< BASIC INSPECTION >
[7AT: RE7R01B]
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ADDITIONAL SERVICE WHEN REPLACING TRANSMISSION ASSEMBLY
Description
INFOID:0000000006233270
Decel G sensor calibration must be performed when replacing A/T assembly.
Special Repair Requirement
INFOID:0000000006233271
1.
PREPARATION BEFORE CALIBRATION PROCEDURE
1.
Park the vehicle on a flat road.
2.
Adjust pressure in all tires to the specified value. Refer to
>> GO TO 2.
2.
PERFORM CALIBRATION
With CONSULT-III
1.
Turn ignition switch ON.
CAUTION:
Never start the engine.
2.
Select “G SENSOR CALIBRATION” in “Work Support” in “TRANSMISSION”.
3.
Touch “START”.
CAUTION:
Never give any motion to the vehicle during the calibration.
Is “completed” displayed?
YES
>> GO TO 3.
NO
>> Perform the calibration again.
3.
CHECK DTC
With CONSULT-III
1.
Turn ignition switch OFF and wait 10 seconds or more.
2.
Turn ignition switch ON.
3.
Select “Self Diagnostic Results” in “ABS”.
Is “C1145” or “C1146” detected?
YES
>> Refer to
.
NO
>> Calibration end.
TM-92
< BASIC INSPECTION >
[7AT: RE7R01B]
ADDITIONAL SERVICE WHEN REPLACING CONTROL VALVE & TCM
ADDITIONAL SERVICE WHEN REPLACING CONTROL VALVE & TCM
Description
INFOID:0000000006233274
Decel G sensor calibration must be performed when replacing control valve & TCM.
Special Repair Requirement
INFOID:0000000006233275
1.
PREPARATION BEFORE CALIBRATION PROCEDURE
1.
Park the vehicle on a flat road.
2.
Adjust pressure in all tires to the specified value. Refer to
>> GO TO 2.
2.
PERFORM CALIBRATION
With CONSULT-III
1.
Turn ignition switch ON.
CAUTION:
Never start the engine.
2.
Select “G SENSOR CALIBRATION” in “Work Support” in “TRANSMISSION”.
3.
Touch “START”.
CAUTION:
Never give any motion to the vehicle during the calibration.
Is “completed” displayed?
YES
>> GO TO 3.
NO
>> Perform the calibration again.
3.
CHECK DTC
With CONSULT-III
1.
Turn ignition switch OFF and wait 10 seconds or more.
2.
Turn ignition switch ON.
3.
Select “Self Diagnostic Results” in “ABS”.
Is “C1145” or “C1146” detected?
YES
>> Refer to
.
NO
>> Calibration end.
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