service NISSAN PRIMERA 1999 Electronic Repair Manual

FOREWORD
This manual contains maintenance and repair procedures for NISSAN
PRIMERA, model P11-144 series.
In order to assure your safety and the efficient functioning of the vehicle,
this manual should be read thoroughly. It is especially important that the
PRECAUTIONS in the GI section be completely understood before starting
any repair task.
All information in this manual is based on the latest product information
at the time of publication. The right is reserved to make changes in speci-
fications and methods at any time without notice.
IMPORTANT SAFETY NOTICE
The proper performance of service is essential for both the safety of the
technician and the efficient functioning of the vehicle.
The service methods in this Service Manual are described in such a man-
ner that the service may be performed safely and accurately.
Service varies with the procedures used, the skills of the technician and the
tools and parts available. Accordingly, anyone using service procedures,
tools or parts which are not specifically recommended by NISSAN must
first completely satisfy himself that neither his safety nor the vehicle's
safety will be jeopardized by the service method selected.
NISSAN EUROPE N.V.
Service Operations Section
Amsterdam, The Netherlands

AUTOMATIC TRANSAXLE
SECTION
AT(H×CVT)
CONTENTS
TROUBLE DIAGNOSIS - INDEX....................................3
Alphabetical & P No. Index for DTC ...........................3
PRECAUTIONS...............................................................5
Precautions for Supplemental Restraint System
(SRS)²AIR BAG²and²SEAT BELT
PRE-TENSIONER²......................................................5
Precautions for On Board Diagnostic (OBD)
System of CVT and Engine .........................................5
Precautions ..................................................................5
Service Notice or Precautions .....................................6
Wiring Diagrams and Trouble Diagnosis .....................7
PREPARATION...............................................................8
Special Service Tools ..................................................8
OVERALL SYSTEM........................................................9
CVT Electrical Parts Location......................................9
Circuit Diagram ..........................................................10
Cross-sectional View - RE0F06A .............................. 11
Control System ..........................................................12
ON BOARD DIAGNOSTIC SYSTEM
DESCRIPTION...............................................................15
Introduction ................................................................15
OBD Function for CVT System .................................15
OBD Diagnostic Trouble Code (DTC) .......................15
Malfunction Indicator (MI) ..........................................18
CONSULT-II ...............................................................18
TROUBLE DIAGNOSIS - INTRODUCTION..................29
Introduction ................................................................29
Work Flow ..................................................................32
TROUBLE DIAGNOSIS - BASIC INSPECTION...........34
CVT Fluid Check .......................................................34
Stall Test ....................................................................34
Line Pressure Test .....................................................35
Road Test...................................................................36
TROUBLE DIAGNOSIS - GENERAL
DESCRIPTION...............................................................41
TCM Terminals and Reference Value........................41TROUBLE DIAGNOSIS FOR POWER SUPPLY..........45
Wiring Diagram - CVT - MAIN...................................45
DTC P0705 PARK/NEUTRAL POSITION (PNP)
SWITCH.........................................................................48
Description .................................................................48
Wiring Diagram - AT - PNP/SW.................................50
Diagnostic Procedure ................................................51
Component Inspection ...............................................53
DTC P0710 CVT FLUID TEMPERATURE SENSOR
CIRCUIT.........................................................................54
Description .................................................................54
Wiring Diagram - AT - FTS ........................................56
Diagnostic Procedure ................................................57
DTC P0715 PRIMARY SPEED SENSOR.....................59
Description .................................................................59
Wiring Diagram - AT - VSSA/T ..................................60
Diagnostic Procedure ................................................61
Component Inspection ...............................................61
DTC P0720 VEHICLE SPEED SENSOR CVT
(SECONDARY SPEED SENSOR)................................62
Description .................................................................62
Wiring Diagram - AT - VSSA/T ..................................64
Diagnostic Procedure ................................................65
Component Inspection ...............................................65
DTC P0725 ENGINE SPEED SIGNAL.........................66
Description .................................................................66
Wiring Diagram - AT - ENGSS ..................................67
Diagnostic Procedure ................................................68
DTC P0740 TORQUE CONVERTER CLUTCH
SOLENOID VALVE........................................................69
Description .................................................................69
Wiring Diagram - AT - TCV........................................71
Diagnostic Procedure ................................................72
Component Inspection ...............................................73
DTC P0745 LINE PRESSURE SOLENOID VALVE.....74
Description .................................................................74
AT

Wiring Diagram - AT - LPSV......................................76
Diagnostic Procedure ................................................77
Component Inspection ...............................................78
DTC P1705 THROTTLE POSITION SENSOR.............79
Description .................................................................79
Wiring Diagram - AT - TPS ........................................81
Diagnostic Procedure ................................................82
Component Inspection ...............................................85
DTC P1777 STEP MOTOR - CIRCUIT.........................86
Description .................................................................86
Wiring Diagram - AT - STM .......................................88
Diagnostic Procedure ................................................89
Component Inspection ...............................................90
DTC P1778 STEP MOTOR - FUNCTION.....................91
Description .................................................................91
Diagnostic Procedure ................................................93
DTC P1791 CVT FLUID PRESSURE SENSOR...........94
Description .................................................................94
Wiring Diagram - AT - FPS ........................................96
Diagnostic Procedure ................................................97
Component Inspection ...............................................98
CVT SAFE FUNCTION..................................................99
Description .................................................................99
Diagnostic Procedure ..............................................100
CONTROL UNIT (RAM), CONTROL UNIT (ROM).....101
Description ...............................................................101Diagnostic Procedure ..............................................102
CONTROL UNIT (EEPROM).......................................103
Description ...............................................................103
Diagnostic Procedure ..............................................104
TROUBLE DIAGNOSES FOR NON-DETECTABLE
ITEMS...........................................................................105
PNP Switch, Stop Lamp Switch and Throttle
Position Switch ........................................................105
Wiring Diagram - AT - NONDTC ............................. 110
ON-VEHICLE SERVICE.............................................. 114
Control Cable Adjustment ........................................ 114
Park/Neutral Position (PNP) Switch Adjustment ..... 114
Differential Side Oil Seal Replacement ................... 114
REMOVAL AND INSTALLATION............................... 116
Removal ................................................................... 116
Inspection................................................................. 116
Installation ................................................................ 117
Air Breather Hose .................................................... 118
CVT Fluid Cooler (Hyper CVT-M6) ......................... 118
Components............................................................. 119
SERVICE DATA AND SPECIFICATIONS (SDS).......120
General Specifications .............................................120
Stall Revolution ........................................................120
Line Pressure...........................................................120
Removal and Installation .........................................120
CONTENTS(Cont'd)
AT-2

Precautions for Supplemental Restraint System
(SRS) ªAIR BAGº and ªSEAT BELT
PRE-TENSIONERº
NCAT0002The Supplemental Restraint System ªAIR BAGº and ªSEAT BELT PRE-TENSIONERº, used along with a seat
belt, help to reduce the risk or severity of injury to the driver and front passenger in a frontal collision. The
Supplemental Restraint System consists of air bag modules (located in the center of the steering wheel and
on the instrument panel on the passenger side), seat belt pre-tensioners, a diagnosis sensor unit, warning
lamp, wiring harness and spiral cable.
In addition to the supplemental air bag modules for a frontal collision, the supplemental side air bag used along
with the seat belt helps to reduce the risk or severity of injury to the driver and front passenger in a side col-
lision. The supplemental side air bag consists of air bag modules (located in the outer side of front seats),
satellite sensor, diagnosis sensor unit (one of components of supplemental air bags for a frontal collision),
wiring harness, warning lamp (one of components of supplemental air bags for a frontal collision). Information
necessary to service the system safely is included in theRS sectionof this Service Manual.
WARNING:
ITo avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be performed
by an authorized NISSAN dealer.
IImproper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system.
IDo not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses (except ªSEAT BELT PRE-TENSIONERº connector) can be
identified with yellow harness connector (and with yellow harness protector or yellow insulation
tape before the harness connectors).
Precautions for On Board Diagnostic (OBD)
System of CVT and Engine
NCAT0198The ECM has an on board diagnostic system. It will light up the malfunction indicator (MI) to warn the driver
of a malfunction causing emission deterioration.
CAUTION:
IBe sure to turn the ignition switch ªOFFº and disconnect the negative battery terminal before any
repair or inspection work. The open/short circuit of related switches, sensors, solenoid valves, etc.
will cause the MI to light up.
IBe sure to connect and lock the connectors securely after work. A loose (unlocked) connector will
cause the MI to light up due to an open circuit. (Be sure the connector is free from water, grease,
dirt, bent terminals, etc.)
IBe sure to route and secure the harnesses properly after work. Interference of the harness with a
bracket, etc. may cause the MI to light up due to a short circuit.
IBe sure to connect rubber tubes properly after work. A misconnected or disconnected rubber tube
may cause the MI to light up due to a malfunction of the EGR system or fuel injection system, etc.
IBe sure to erase the unnecessary malfunction information (repairs completed) from the TCM and
ECM before returning the vehicle to the customer.
PrecautionsNCAT0003IBefore connecting or disconnecting the TCM harness
connector, turn ignition switch OFF and disconnect nega-
tive battery terminal. Failure to do so may damage the
TCM. Because battery voltage is applied to TCM even if
ignition switch is turned off.
SEF289H
PRECAUTIONS
Precautions for Supplemental Restraint System (SRS) ªAIR BAGº and ªSEAT BELT PRE-TENSIONERº
AT-5

IWhen connecting or disconnecting pin connectors into or
from TCM, take care not to damage pin terminals (bend or
break).
Make sure that there are not any bends or breaks on TCM
pin terminal, when connecting pin connectors.
IBefore replacing TCM, perform TCM input/output signal
inspection and make sure whether TCM functions prop-
erly or not. (See page AT-41.)
IAfter performing each TROUBLE DIAGNOSIS, perform
ªDTC (Diagnostic Trouble Code) CONFIRMATION PROCE-
DUREº.
The DTC should not be displayed in the ªDTC CONFIRMA-
TION PROCEDUREº if the repair is completed.
IIt is very important to perform functional tests whenever they
are indicated.
IExtreme care should be taken to avoid damage to O-rings,
seals and gaskets when assembling.
IWhen the CVT drain plug is removed, only some of the fluid is
drained. Old CVT fluid will remain in torque converter and CVT
fluid cooling system.
Always follow the procedures under ªChanging CVT Fluidº in
the MA section when changing CVT fluid.
Service Notice or PrecautionsNCAT0004FAIL-SAFENCAT0004S01The TCM has an electronic Fail-Safe (limp home mode). This allows the vehicle to be driven even if a major
electrical input/output device circuit is damaged.
Under Fail-Safe, the vehicle always runs even with a shift lever position of ªLº or ªDº. The customer may com-
plain of sluggish or poor acceleration.
When the ignition key is turned ªONº following Fail-Safe operation, CVT or SPORT indicator lamp blinks for
about 8 seconds. [For ªTCM SELF-DIAGNOSTIC PROCEDURE (No Tools)º, refer to AT-25.]
Fail-Safe may occur without electrical circuit damage if the vehicle is driven under extreme conditions (such
as excessive wheel spin followed by sudden braking). To recover normal shift pattern, turn the ignition key
ªOFFº for 5 seconds, then ªONº.
SEF291H
MEF040DA Perform TCM
input/output signal
inspection before
replacement.
SAT652J
PRECAUTIONS
Precautions (Cont'd)
AT-6

The blinking of the CVT or SPORT indicator lamp for about 8 seconds will appear only once and be cleared.
The customer may resume normal driving conditions.
Always follow the ªWORK FLOWº (Refer to AT-32).
The SELF-DIAGNOSIS results will be as follows:
The first SELF-DIAGNOSIS will indicate damage to the vehicle speed sensor or the revolution sensor.
During the next SELF-DIAGNOSIS, performed after checking the sensor, no damages will be indicated.
OBD SELF-DIAGNOSISNCAT0004S04ICVT self-diagnosis is performed by the TCM in combination with the ECM. The results can be read through
the blinking pattern of the CVT or SPORT indicator. Refer to the table on AT-19 for the indicator used to
display each self-diagnostic result.
IThe self-diagnostic results indicated by the MI are automatically stored in both the ECM and TCM memo-
ries.
Always perform the procedure ªHOW TO ERASE DTCº on AT-16 to complete the repair and avoid
unnecessary blinking of the MI.
For details of OBD, refer to EC section (ªON BOARD DIAGNOSTIC SYSTEM DESCRIPTIONº).
ICertain systems and components, especially those related to OBD, may use a new style slide-
locking type harness connector.
For description and how to disconnect, refer to EL section, ªDescriptionº, ªHARNESS CONNEC-
TORº.
Wiring Diagrams and Trouble DiagnosisNCAT0005When you read wiring diagrams, refer to the followings:
IªHOW TO READ WIRING DIAGRAMSº in GI section
IªPOWER SUPPLY ROUTINGº for power distribution circuit in EL section
When you perform trouble diagnosis, refer to the followings:
IªHOW TO FOLLOW TEST GROUP IN TROUBLE DIAGNOSISº in GI section
IªHOW TO PERFORM EFFICIENT DIAGNOSIS FOR AN ELECTRICAL INCIDENTº in GI section
PRECAUTIONS
Service Notice or Precautions (Cont'd)
AT-7

Special Service ToolsNCAT0006
Tool number
Tool nameDescription
ST2505S001
Oil pressure gauge set
1 ST25051001
Oil pressure gauge
2 ST25052000
Hose
3 ST25053000
Joint pipe
4 ST25054000
Adapter
5 ST25055000
Adapter
NT097
Measuring line pressure and governor pressure
KV31103000
Drift
NT105
Installing differential side oil seal
(Use with ST35325000)
a: 59 mm (2.32 in) dia.
b: 49 mm (1.93 in) dia.
ST35325000
Drift
NT417
Installing differential side oil seal
(Use with KV31103000)
a: 215 mm (8.46 in)
b: 25 mm (0.98 in) dia.
c: M12 x 1.5P
PREPARATION
Special Service Tools
AT-8

IntroductionNCAT0023
The TCM receives a signal from the vehicle speed sensor, throttle
position sensor or PNP switch and provides shift control or lock-up
control via step motor and CVT solenoid valves.
The TCM also communicates with the ECM by means of a signal
sent from sensing elements used with the OBD-related parts of the
CVT system for malfunction-diagnostic purposes. The TCM is
capable of diagnosing malfunctioning parts while the ECM can
store malfunctions in its memory.
Input and output signals must always be correct and stable in the
operation of the CVT system. The CVT system must be in good
operating condition and be free of valve seizure, solenoid valve
malfunction, etc.
It is much more difficult to diagnose a problem that occurs intermit-
tently rather than continuously. Most intermittent problems are
caused by poor electric connections or improper wiring. In this
case, careful checking of suspected circuits may help prevent the
replacement of good parts.
A visual check only may not find the cause of the problems. A road
test with CONSULT-II (or GST) or a circuit tester connected should
be performed. Follow the ªWork Flowº. Refer to AT-32.
Before undertaking actual checks, take a few minutes to talk with
a customer who approaches with a driveability complaint. The cus-
tomer can supply good information about such problems, espe-
cially intermittent ones. Find out what symptoms are present and
under what conditions they occur. A ªDiagnostic Worksheetº like the
example (AT-31) should be used.
Start your diagnosis by looking for ªconventionalº problems first.
This will help troubleshoot driveability problems on an electronically
controlled engine vehicle.
Also check related Service bulletins for information.
SAT631IA Sensors
TCM
ECM
Solenoid valves
SAT632I INFO.CAUSE
SEF234G
TROUBLE DIAGNOSIS Ð INTRODUCTION
Introduction
AT-29

DIAGNOSTIC WORKSHEET=NCAT0023S01Information from CustomerNCAT0023S0101KEY POINTS
WHAT..... Vehicle & CVT model
WHEN..... Date, Frequencies
WHERE..... Road conditions
HOW..... Operating conditions, Symptoms
Customer name MR/MS Model & Year VIN
Trans. model Engine Mileage
Incident Date Manuf. Date In Service Date
FrequencylContinuouslIntermittent ( times a day)
lVehicle does not move. (lAny positionlParticular position)
SymptomslLockup malfunction
lShift point too high or too low.
lShift shock or slip (lN,DlLockuplAny drive position)
lNoise or vibration
lNo pattern select
lOthers
()
SPORT indicator lamp or CVT
indicator (warning) lampBlinks for about 8 seconds.
lContinuously litlNot lit
Malfunction indicator (MI)lContinuously litlNot lit
TROUBLE DIAGNOSIS Ð INTRODUCTION
Introduction (Cont'd)
AT-30

WORK FLOW CHART=NCAT0024S02
CHECK IN
LISTEN TO CUSTOMER COMPLAINTS AND FILL OUT
ªINFORMATION FROM CUSTOMERº, *1FRefer to FAIL-SAFE Service Notice or
Precautions, *3.
CHECK,PRINT OUTOR WRITE DOWN (1ST TRIP) DTC AND
FREEZE FRAME DATA. (PRE-CHECK) THEN ERASE.
PASTE IT IN REPAIR ORDER SHEET.
ALSO CHECK RELATED SERVICE BULLETINS.
CHECK A/T FLUID LEVEL AND CONDITION. IF NG, PLACE
CHECK ON THE DIAGNOSTIC WORKSHEET, *2.FRefer to CVT Fluid Check, *4.
PERFORM STALL TEST AND LINE PRESSURE TEST.FRefer to Stall Test and Line Pressure Test, *5.
PERFORM ªDTC CONFIRMATION PROCEDUREº IF THE (1ST
TRIP) DTC IS AVAILABLE.
PERFORM ROAD TEST AND PLACE CHECKS FOR NG ITEMS
ON THE DIAGNOSTIC WORKSHEET.
H
No NG item or NG items
not including any OBD
DTC or TCM self-diagnostic
itemsNG items including OBD
(1st trip) DTC or TCM self-
diagnostic item
FFollow ROAD TEST procedure, *6.
lFOR OBD or TCM SELF-DIAGNOSIS NG ITEMS:
-INSPECT EACH COMPONENT.
-REPAIR/REPLACE.
lPERFORM DTC CONFIRMATION PROCEDURE OR
ROAD TEST AND PLACE CHECKS FOR NG ITEMS
ON THE DIAGNOSTIC WORKSHEET AGAIN.
FlRefer to CONSULT-II, *7.
lPerform ROAD TEST for all items.
lProceed if self-diagnosis detects no malfunc-
tion.
(Non-self-diagnostic items, especially those
that require CVT removal, should be repaired
in the following steps.)
ElFOR ALL REMAINING MALFUNCTIONS:
-INSPECT EACH COMPONENT.
-REPAIR/REPLACE.
lPERFORM ROAD TEST AND CONFIRM ALL MALFUNCTIONS
ARE ELIMINATED.
FRefer to
lON BOARD DIAGNOSTIC SYSTEM
DESCRIPTION, *8 - *9.
lTROUBLE DIAGNOSIS FOR DTC, *10 - *11.
lTROUBLE DIAGNOSES FOR SYMPTOMS,
*12.
ERASE DTC FROM TCM AND ECM MEMORIES.FRefer to HOW TO ERASE DTC, *13.
NGFINAL CHECK
Confirm that the incident is completely fixed by performing BASIC
INSPECTION and DTC CONFIRMATION PROCEDURE. Then,
erase the unnecessary (already fixed) 1st trip DTCs in ECM and
TCM.FRefer to DTC CONFIRMATION PROCEDURE.
*14 - *15.
EOK
CHECK OUT
SAT086JC
*1: AT-30
*2: AT-31
*3: AT-6
*4: AT-34
*5: AT-34, 35*6: AT-36
*7: AT-18
*8: AT-15
*9: AT-26
*10: AT-48*11: AT-94
*12: AT-110
*13: AT-16
*14: AT-49
*15: AT-95
TROUBLE DIAGNOSIS Ð INTRODUCTION
Work Flow (Cont'd)
H
H
H
H
H
H
H
H
H
AT-33