Nissan Quest E52. Instruction — part 1194
TM-6
< PRECAUTION >
[CVT: RE0F09B]
PRECAUTIONS
Precautions for Removing Battery Terminal
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• When removing the 12V battery terminal, turn OFF the ignition
switch and wait at least 30 seconds.
NOTE:
ECU may be active for several tens of seconds after the ignition
switch is turned OFF. If the battery terminal is removed before ECU
stops, then a DTC detection error or ECU data corruption may
occur.
• For vehicles with the 2-batteries, be sure to connect the main bat-
tery and the sub battery before turning ON the ignition switch.
NOTE:
If the ignition switch is turned ON with any one of the terminals of
main battery and sub battery disconnected, then DTC may be
detected.
• After installing the 12V battery, always check "Self Diagnosis Result" of all ECUs and erase DTC.
NOTE:
The removal of 12V battery may cause a DTC detection error.
Precaution for On Board Diagnosis (OBD) System of CVT and Engine
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The ECM has an on board diagnostic system. It will illuminate the malfunction indicator lamp (MIL) to warn the
driver of a malfunction causing emission deterioration.
CAUTION:
• Always to turn the ignition switch OFF and disconnect the negative battery cable before any repair
or inspection work. The open/short circuit of related switches, sensors, solenoid valves, etc. will
cause the MIL to illuminate.
• Always to connect and lock the connectors securely after work. A loose (unlocked) connector will
cause the MIL to illuminate due to the open circuit. (Be sure the connector is free from water, grease,
dirt, bent terminals, etc.)
• Always route and secure the harnesses properly after work. The interference of the harness with a
bracket, etc. may cause the MIL to illuminate due to the short circuit.
• Always to connect rubber tubes properly after work. A misconnected or disconnected rubber tube
may cause the MIL to illuminate due to the malfunction of the EVAP system or fuel injection system,
etc.
• Always to erase the unnecessary malfunction information (repairs completed) from the TCM and
ECM before returning the vehicle to the customer.
Precaution for TCM and Transaxle Assembly Replacement
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• When replaced the TCM, refer to
• When replaced the transaxle assembly, refer to
Removal and Installation Procedure for CVT Unit Connector
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REMOVAL
Rotate bayonet ring counterclockwise. Pull out CVT unit harness
connector upward and remove it.
INSTALLATION
SEF289H
SCIA2096E
PRECAUTIONS
TM-7
< PRECAUTION >
[CVT: RE0F09B]
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1.
Align
∆
marking on CVT unit harness connector terminal body
with
marking on bayonet ring. Insert CVT unit harness con-
nector. Then rotate bayonet ring clockwise.
2.
Rotate bayonet ring clockwise until
∆
marking on CVT unit har-
ness connector terminal body is aligned with the slit on bayonet
ring as shown in the figure (correctly fitting condition). Install
CVT unit harness connector to CVT unit harness connector ter-
minal body.
CAUTION:
• Securely align
∆
marking on CVT unit harness connector
terminal body with bayonet ring slit. Then, be careful not
to make a half fit condition as shown in the figure.
• Never mistake the slit of bayonet ring for other dent por-
tion.
Precaution
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• Turn ignition switch OFF and disconnect negative battery
cable before connecting or disconnecting the TCM harness
connector. Because battery voltage is applied to TCM even if
ignition switch is turned OFF.
SCIA2097E
SCIA2098E
SCIA2099E
SEF289H
TM-8
< PRECAUTION >
[CVT: RE0F09B]
PRECAUTIONS
• When connecting or disconnecting pin connectors into or
from TCM, do not damage pin terminals (bend or break).
Check that there are not any bends or breaks on TCM pin ter-
minal, when connecting pin connectors.
• Perform TCM input/output signal inspection and check
whether TCM functions normally or not before replacing TCM.
.
• Perform “DTC Confirmation Procedure” after performing each
TROUBLE DIAGNOSIS.
If the repair is completed the DTC should not be displayed in
the “DTC Confirmation Procedure”.
• Always use the specified brand of CVT fluid. Refer to
• Use lint-free paper, not cloth rags, during work.
• Dispose of the waste oil using the methods prescribed by law, ordi-
nance, etc. after replacing the CVT fluid.
Service Notice or Precaution
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OBD-II SELF-DIAGNOSIS
• CVT self-diagnosis is performed by the TCM in combination with the ECM. The results can be read through
the blinking pattern of the Malfunction Indicator Lamp (MIL). Refer to the table on
for the indicator used to display each self diagnostic result.
• The self diagnostic results indicated by the MIL are automatically stored in both the ECM and TCM memo-
ries.
Always perform the procedure on
TM-34, "Diagnosis Description"
to complete the repair and avoid
unnecessary blinking of the MIL.
For details of OBD-II, refer to
EC-58, "Diagnosis Description"
.
• Certain systems and components, especially those related to OBD, may use the new style slide-lock-
ing type harness connector. For description and how to disconnect, refer to
.
SEF291H
MEF040DA
JSBIA1315ZZ
PREPARATION
TM-9
< PREPARATION >
[CVT: RE0F09B]
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PREPARATION
PREPARATION
Special Service Tools
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The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Commercial Service Tools
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Tool number
(Kent-Moore No.)
Tool name
Description
—
(OTC3492)
Oil pressure gauge set
Measuring line pressure
ST33400001
(J-26082)
Drift
a: 60 mm (2.36 in) dia.
b: 47 mm (1.85 in) dia.
Installing differential side oil seal
KV40100621
(J-25405)
Drift
a: 76 mm (2.99 in) dia.
b: 69 mm (2.72 in) dia.
Installing side oil seal (transfer joint)
SCIA7531E
ZZA0814D
ZZA0814D
Tool number
Tool name
Description
Power tool
Loosening nuts and bolts
31197CA000
Drive plate location guide
a: 14 mm (0.55 in) dia.
Installing transaxle assembly
PBIC0190E
SCIA2013E
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