Nissan Sentra. Instruction — part 877
TM-144
< BASIC INSPECTION >
[CVT: RE0F11A]
ADDITIONAL SERVICE WHEN REPLACING TRANSAXLE ASSEMBLY
ADDITIONAL SERVICE WHEN REPLACING TRANSAXLE ASSEMBLY
Description
INFOID:0000000009759374
When replacing the transaxle, perform the following work.
ERASING, LOADING AND STORING OF CALIBRATION DATA
• The TCM acquires calibration data (individual characteristic value) of each solenoid that is stored in the
ROM assembly (in the control valve). This enables the TCM to perform accurate control. For this reason,
after the transaxle assembly is replaced, it is necessary to erase the calibration data previously stored in
TCM, to load new calibration data, and to store them.
ERASING THE LEARNED VALUE DATA
• TCM learns indicated pressure for appropriate control of the transaxle assembly and records the learned
values. For this reason, the leaned values stored in TCM must be erased after replacing a transaxle assem-
bly.
ERASING CVT FLUID DEGRADATION LEVEL DATA
• TCM records the degradation level of the CVT fluid calculated from the vehicle driving status. Therefore, if
the transaxle assembly is replaced, it is necessary to erase the CVT fluid degradation level data recorded by
TCM.
Work Procedure
INFOID:0000000009759375
1.
INITIALIZE TCM
With CONSULT
1. Set parking brake.
2. Turn ignition switch ON.
3. Select “Work Support” in “TRANSMISSION”.
4. Select “ERASE MEMORY DATA”.
5. While maintaining the conditions below, touch “Start”.
-
Vehicle stop status
-
With engine stopped
-
Selector lever: “R” position
-
Accelerator pedal: Depressed
NOTE:
Select “Start” and complete within approximately 20 seconds.
Is “COMPLETED” displayed?
YES
>> GO TO 2.
NO
>> Turn the ignition switch OFF and wait for a minimum of 10 seconds then perform the work again.
2.
CHECK AFTER TCM IS INITIALIZED
With CONSULT
1. Turn ignition switch OFF with the selector lever in “R” position and wait for 10 seconds or more.
2. Turn ignition switch ON with the selector lever in “R” position.
CAUTION:
Never start the engine.
3. Select “Special function” in “TRANSMISSION”.
4. Select “CALIB DATA”.
5. Check that indicated value of “CALIB DATA” is equal to the value shown in the following table.
Item name
Display value
Item name
Display value
UNIT CLB ID1
00
MAP NO HC/RB
00
UNIT CLB ID2
00
MAP NO L/B
00
UNIT CLB ID3
00
OFFSET2 LU
0
UNIT CLB ID4
00
OFFSET2 PL
0
UNIT CLB ID5
00
OFFSET2 PRI
0
UNIT CLB ID6
00
OFFSET2 H/R
0
ADDITIONAL SERVICE WHEN REPLACING TRANSAXLE ASSEMBLY
TM-145
< BASIC INSPECTION >
[CVT: RE0F11A]
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Is the indicated value of “CALIB DATA” equal to the value shown in the table?
YES
>> GO TO 3.
NO
>> GO TO 1.
3.
LOAD CALIBRATION DATA
1. Shift the selector lever to the “P” position.
2. Check that “P” is displayed on shift position indicator on combination meter.
NOTE:
Displayed approximately 4 – 5 seconds after the selector lever is moved to the “P” position.
Does shift position indicator display “P”?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
DETECT MALFUNCTIONING ITEMS
Check the following items:
• Harness between the TCM and the ROM assembly inside the transaxle assembly is open or shorted.
• Disconnected, loose, bent, collapsed, or otherwise abnormal connector housing terminals
Is the inspection result normal?
YES
>> GO TO 1.
NO
>> Repair or replace the malfunctioning parts.
5.
STORE CALIBRATION DATA
1. Turn ignition switch OFF and wait for 5 seconds.
2. Turn ignition switch ON.
Does the shift position indicator display “P” at the same time when turning ON the ignition switch?
YES
>> GO TO 6.
NO
>> Check harness between battery and TCM harness connector terminal.
6.
ERASE THE CVT FLUID DEGRADATION LEVEL DATA
With CONSULT
1. Select “WORK SUPPORT” in “TRANSMISSION”.
2. Select “CONFORM CVTF DETERIORTN”.
3. Touch “Clear”.
UNIT CLB ID7
00
OFFSET2 L/B
0
UNIT CLB ID8
00
INIT OFFSET H/R A
0
UNIT CLB ID9
00
INIT OFFSET H/R B
0
UNIT CLB ID10
00
INIT OFFSET H/R C
0
UNIT CLB ID11
00
INIT OFFSET H/R D
0
GAIN LU
256
INIT OFFSET H/R E
0
GAIN PL
256
INIT OFFSET H/R F
0
GAIN PRI
256
INIT OFSET LB A
0
GAIN HC/RB
256
INIT OFSET LB B
0
GAIN L/B
256
INIT OFSET LB C
0
OFFSET LU
0
INIT OFSET LB D
0
OFFSET PL
0
INIT OFSET LB E
0
OFFSET PRI
0
INIT OFSET LB F
0
OFFSET HC/RB
0
LB INITIALIZE LEARN
−1
OFFSET L/B
0
HC INITIALIZE LEARN
−1
MAP NO LU
00
LB INITIALIZE TEMP
FF
MAP NO PL
00
LB INITIALIZE TEMP
FF
MAP NO PRI
00
Item name
Display value
Item name
Display value
TM-146
< BASIC INSPECTION >
[CVT: RE0F11A]
ADDITIONAL SERVICE WHEN REPLACING TRANSAXLE ASSEMBLY
>> WORK END
CALIBRATION OF G SENSOR
TM-147
< BASIC INSPECTION >
[CVT: RE0F11A]
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CALIBRATION OF G SENSOR
Description
INFOID:0000000009759376
TCM stores calibration data (inherent characteristic value) of G sensor to provide accurate control. Therefore,
it is required to perform calibration of G sensor after the following work is performed.
• Removal/installation or replacement of G sensor
• Replacement of TCM
Work Procedure
INFOID:0000000009759377
1.
PREPARATION BEFORE CALIBRATION PROCEDURE
1. Park the vehicle on a level surface.
2. Adjust air pressure of all tires to the specified pressure.
>> GO TO 2.
2.
PERFORM G SENSOR CALIBRATION
With CONSULT
1. Turn ignition switch ON.
CAUTION:
Never start engine.
2. Select “Work Support” in “TRANSMISSION”.
3. Select “G SENSOR CALIBRATION”.
4. Touch “Start”.
CAUTION:
Never swing the vehicle during “G sensor calibration”.
Is “COMPLETED” displayed?
YES
>> GO TO 3.
NO
>> Perform steps 1 and 2 again.
3.
CHECK DTC
With CONSULT
1. Turn ignition switch OFF and wait for 10 seconds.
2. Turn ignition switch ON.
3. Select “Self Diagnostic Results” in “TRANSMISSION”.
Is “P1586” or “P1588” detected?
YES
>> Go to
NO
>> Calibration end
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