Page 1457 of 5121
KEY SLOT
DLK-241
< ON-VEHICLE REPAIR >[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
MA
B
DLK
N
O
P
KEY SLOT
Exploded ViewINFOID:0000000003795142
Removal and InstallationINFOID:0000000003795143
REMOVAL
1. Remove the instrument lower panel LH. Refer to IP-12, "Removal and Installation".
2. Disconnect key slot connector.
3. Remove the key slot mounting screws (A), and then remove key
slot (1) from instrument lower panel LH.
INSTALLATION
Install in the reverse order of removal.
1. Key slot 2. Instrument lower panel
JMKIA1820ZZ
JMKIA2351ZZ
Page 1458 of 5121
DLK-242
< ON-VEHICLE REPAIR >[WITH INTELLIGENT KEY SYSTEM]
TRUNK LID OPENER REQUEST SWITCH
TRUNK LID OPENER REQUEST SWITCH
Exploded ViewINFOID:0000000003846685
Refer to EXT-38, "Exploded View".
Removal and InstallationINFOID:0000000003846686
REMOVAL
1. Remove the trunk lid finisher outer. Refer to EXT-38, "Removal and Installation".
2. Remove the trunk lid opener request switch mounting pawl (A),
and then remove trunk lid opener request switch (1) from inner
bracket.
INSTALLATION
Install in the reverse order of removal.
:Pawl
JMKIA2446ZZ
Page 1459 of 5121
TRUNK LID OPENER SWITCH
DLK-243
< ON-VEHICLE REPAIR >[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
MA
B
DLK
N
O
P
TRUNK LID OPENER SWITCH
Exploded ViewINFOID:0000000003846687
Refer to EXT-38, "Exploded View".
Removal and InstallationINFOID:0000000003846688
REMOVAL
1. Remove the instrument lower panel. Refer to IP-12, "Removal and Installation".
2. Remove the trunk lid opener switch from instrument driver lower
panel, and then remove pawl. Press trunk lid opener switch front
side to disengage from instrument driver lower panel.
INSTALLATION
Install in the reverse order of removal.
:Pawl
JMKIA2443ZZ
Page 1460 of 5121
DLK-244
< ON-VEHICLE REPAIR >[WITH INTELLIGENT KEY SYSTEM]
REMOTE KEYLESS ENTRY RECEIVER
REMOTE KEYLESS ENTRY RECEIVER
Exploded ViewINFOID:0000000003795146
Removal and InstallationINFOID:0000000003795147
REMOVAL
1. Remove the instrument lower panel RH. Refer to IP-12, "Removal and Installation".
2. Remove the remote keyless entry receiver mounting screws (A),
and then remove remote keyless entry receiver (1).
INSTALLATION
Install in the reverse order of removal.
1. Remote keyless entry receiver
JMKIA2178ZZ
JMKIA2171ZZ
Page 1461 of 5121
![NISSAN TEANA 2008 Service Manual INTELLIGENT KEY BATTERY
DLK-245
< ON-VEHICLE REPAIR >[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
MA
B
DLK
N
O
P
INTELLIGENT KEY BATTERY
Removal and InstallationINFOID:0000000003795148
1. Release t NISSAN TEANA 2008 Service Manual INTELLIGENT KEY BATTERY
DLK-245
< ON-VEHICLE REPAIR >[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
MA
B
DLK
N
O
P
INTELLIGENT KEY BATTERY
Removal and InstallationINFOID:0000000003795148
1. Release t](/manual-img/5/57391/w960_57391-1460.png)
INTELLIGENT KEY BATTERY
DLK-245
< ON-VEHICLE REPAIR >[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
MA
B
DLK
N
O
P
INTELLIGENT KEY BATTERY
Removal and InstallationINFOID:0000000003795148
1. Release the lock knob at the back of the Intelligent Key and remove the mechanical key.
2. Insert a flat-bladed screwdriver (A) wrapped with a cloth into the
slit of the corner and twist it to separate the upper part from the
lower part.
CAUTION:
Never touch the circuit board or battery terminal.
The key fob is water-resistant. However, if it does get wet,
immediately wipe it dry.
3. Replace the battery with new one.
4. Align the tips of the upper and lower parts, and then push them
together until it is securely closed.
CAUTION:
When replacing battery, keep dirt, grease, and other for-
eign matter off the electrode contact area.
After replacing the battery, check that all Intelligent Key
functions work normally.
PIIB6221E
Battery replacement :Coin-type lithium battery
(CR2025)
PIIB6222E
Page 1462 of 5121

EC-1
ENGINE
C
DE
F
G H
I
J
K L
M
SECTION EC
A
EC
N
O P
CONTENTS
ENGINE CONTROL SYSTEM
VQ25DE, VQ35DE
BASIC INSPECTION ....... .............................
7
DIAGNOSIS AND REPAIR WORKFLOW ..... .....7
Work Flow ........................................................... ......7
Diagnostic Work Sheet ............................................10
INSPECTION AND ADJUSTMENT ....................11
BASIC INSPECTION ......... ........................................11
BASIC INSPECTION : Special Repair Require-
ment .................................................................... ....
11
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT .................................................... ....
14
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Description ................................
14
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement .....
14
IDLE SPEED .......................................................... ....14
IDLE SPEED : Description ........................ ..............14
IDLE SPEED : Special R epair Requirement ...........14
IGNITION TIMING .................................................. ....15
IGNITION TIMING : Description ..............................15
IGNITION TIMING : Special Repair Requirement ....15
ACCELERATOR PEDAL RELEASED POSITION
LEARNING ............................................................ ....
15
ACCELERATOR PEDAL RELEASED POSITION
LEARNING : Description .........................................
15
ACCELERATOR PEDAL RELEASED POSITION
LEARNING : Special Repair Requirement ..............
15
THROTTLE VALVE CLOSED POSITION LEARN-
ING ......................................................................... ....
16
THROTTLE VALVE CLOSED POSITION
LEARNING : Description .........................................
16
THROTTLE VALVE CLOSED POSITION
LEARNING : Special Repair Requirement ..............
16
IDLE AIR VOLUME LEARNING ............................ ....16
IDLE AIR VOLUME LEARNING : Description .........16
IDLE AIR VOLUME LEARNI NG : Special Repair
Requirement ........................................................ ....
16
MIXTURE RATIO SELF-LEARNING VALUE
CLEAR ................................................................... ....
18
MIXTURE RATIO SELF-LEARNING VALUE
CLEAR : Description ................................................
18
MIXTURE RATIO SELF-LEARNING VALUE
CLEAR : Special Repair Requirement .....................
18
FUNCTION DIAGNOSIS ..............................19
ENGINE CONTRO L SYSTEM ..........................19
System Diagram ................................................. ....19
System Description ..................................................20
Component Parts Location ....................................20
Component Description ...........................................25
MULTIPORT FUEL INJECTION SYSTEM .......27
System Diagram .....................................................27
System Description ..................................................27
Component Parts Location ....................................31
Component Description ...........................................36
ELECTRIC IGNITION SYSTEM ........................37
System Diagram .....................................................37
System Description ..................................................37
Component Parts Location ....................................38
Component Description ...........................................43
AIR CONDITIONING CUT CONTROL ..............44
System Diagram ......................................................44
System Description ..................................................44
Component Parts Location ....................................45
Component Description ...........................................50
AUTOMATIC SPEED CONTROL DEVICE
(ASCD) ..............................................................
51
System Diagram ......................................................51
System Description ..................................................51
Page 1463 of 5121

EC-2
Component Parts Location ...................................53
Component Description .........................................58
CAN COMMUNICATION ...................................59
System Description .................................................59
COOLING FAN CONTROL ...............................60
System Diagram .....................................................60
System Description .................................................60
Component Parts Location ...................................62
Component Description ..........................................67
ELECTRONIC CONTROLLED ENGINE
MOUNT ..............................................................
68
System Diagram .....................................................68
System Description .................................................69
Component Parts Location ...................................70
Component Description .........................................75
EVAPORATIVE EMISSION SYSTEM ...............76
System Diagram .....................................................76
System Description .................................................76
Component Parts Location ...................................80
Component Description .........................................85
INTAKE VALVE TIMING CONTROL .................86
System Diagram .....................................................86
System Description .................................................86
Component Parts Location ...................................87
Component Description ..........................................92
VARIABLE INDUCTION AIR SYSTEM .............93
System Diagram .....................................................93
System Description .................................................93
Component Parts Location ...................................96
Component Description ........................................101
ON BOARD DIAGNOSTIC (OBD) SYSTEM ...102
Diagnosis Description ............................................102
CONSULT-III Function ..........................................113
Diagnosis Tool Function ......................................122
COMPONENT DIAGNOSIS .......................124
TROUBLE DIAGNOSIS - SPECIFICATION
VALUE .............................................................
124
Description .............................................................124
Component Function Check ..................................124
Diagnosis Procedure .............................................125
POWER SUPPLY AND GROUND CIRCUIT ...132
Diagnosis Procedure .............................................132
U1000, U1001 CAN COMM CIRCUIT .............135
Description .............................................................135
DTC Logic ..............................................................135
Diagnosis Procedure .............................................135
P0011, P0021 IVT CONTROL .........................136
DTC Logic ..............................................................136
Diagnosis Procedure .............................................137
Component Inspection ..........................................138
P0031, P0032, P0051, P0052 A/F SENSOR 1
HEATER ...........................................................
140
Description ............................................................140
DTC Logic .............................................................140
Diagnosis Procedure .............................................140
Component Inspection ..........................................142
P0037, P0038, P0057, P0058 HO2S2 HEAT-
ER .....................................................................
143
Description ............................................................143
DTC Logic .............................................................143
Diagnosis Procedure .............................................144
Component Inspection ..........................................145
P0075, P0081 IVT CONTROL SOLENOID
VALVE ..............................................................
146
Description ............................................................146
DTC Logic .............................................................146
Diagnosis Procedure .............................................146
Component Inspection ..........................................147
P0102, P0103 MAF SENSOR ..........................149
Description ............................................................149
DTC Logic .............................................................149
Diagnosis Procedure .............................................150
Component Inspection ..........................................151
P0112, P0113 IAT SENSOR ............................154
Description ............................................................154
DTC Logic .............................................................154
Diagnosis Procedure .............................................155
Component Inspection ..........................................155
P0117, P0118 ECT SENSOR ...........................157
Description ............................................................157
DTC Logic .............................................................157
Diagnosis Procedure .............................................158
Component Inspection ..........................................158
P0122, P0123 TP SENSOR ..............................160
Description ............................................................160
DTC Logic .............................................................160
Diagnosis Procedure .............................................160
Component Inspection ..........................................162
Special Repair Requirement .................................162
P0130, P0150 A/F SENSOR 1 .........................163
Description ............................................................163
DTC Logic .............................................................163
Component Function Check .................................165
Diagnosis Procedure .............................................165
P0131, P0151 A/F SENSOR 1 .........................167
Description ............................................................167
DTC Logic .............................................................167
Diagnosis Procedure .............................................168
P0132, P0152 A/F SENSOR 1 .........................170
Description ............................................................170
Page 1464 of 5121

EC-3
C
D
E
F
G
H
I
J
K
L
M
ECA
N
O
P DTC Logic .............................................................
170
Diagnosis Procedure .............................................171
P0133, P0153 A/F SENSOR 1 .........................173
Description ............................................................173
DTC Logic .............................................................173
Diagnosis Procedure .............................................175
P0137, P0157 HO2S2 ......................................178
Description ............................................................178
DTC Logic .............................................................178
Component Function Check ..................................179
Diagnosis Procedure .............................................180
Component Inspection ..........................................182
P0138, P0158 HO2S2 ......................................184
Description ............................................................184
DTC Logic .............................................................184
Component Function Check ..................................186
Diagnosis Procedure .............................................187
Component Inspection ..........................................190
P0139, P0159 HO2S2 ......................................192
Description ............................................................192
DTC Logic .............................................................192
Component Function Check ..................................193
Diagnosis Procedure .............................................194
Component Inspection ..........................................195
P0171, P0174 FUEL INJECTION SYSTEM
FUNCTION .......................................................
198
DTC Logic .............................................................198
Diagnosis Procedure .............................................199
P0172, P0175 FUEL INJECTION SYSTEM
FUNCTION .......................................................
202
DTC Logic .............................................................202
Diagnosis Procedure .............................................203
P0222, P0223 TP SENSOR .............................206
Description ............................................................206
DTC Logic .............................................................206
Diagnosis Procedure .............................................206
Component Inspection ..........................................207
Special Repair Requirement .................................208
P0300, P0301, P0302, P0303, P0304, P0305,
P0306 MISFIRE ................................................
209
DTC Logic .............................................................209
Diagnosis Procedure .............................................210
P0327, P0328, P0332, P0333 KS ....................215
Description ............................................................215
DTC Logic .............................................................215
Diagnosis Procedure .............................................215
Component Inspection ..........................................216
P0335 CKP SENSOR (POS) ............................218
Description ............................................................218
DTC Logic .............................................................218
Diagnosis Procedure .............................................219
Component Inspection ...........................................221
P0340, P0345 CMP SENSOR (PHASE) .........222
Description .............................................................222
DTC Logic ..............................................................222
Diagnosis Procedure .............................................223
Component Inspection ...........................................224
P0420, P0430 THREE WAY CATALYST
FUNCTION ......................................................
226
DTC Logic ..............................................................226
Component Function Check ..................................227
Diagnosis Procedure .............................................228
P0444 EVAP CANISTER PURGE VOLUME
CONTROL SOLENOID VALVE ......................
231
Description .............................................................231
DTC Logic ..............................................................231
Diagnosis Procedure .............................................231
Component Inspection ...........................................232
P0500 VSS ......................................................234
Description .............................................................234
DTC Logic ..............................................................234
Component Function Check ..................................235
Diagnosis Procedure .............................................235
P0550 PSP SENSOR ......................................236
Description .............................................................236
DTC Logic ..............................................................236
Diagnosis Procedure .............................................236
Component Inspection ...........................................237
P0603 ECM POWER SUPPLY .......................238
Description .............................................................238
DTC Logic ..............................................................238
Diagnosis Procedure .............................................238
P0605 ECM .....................................................240
Description .............................................................240
DTC Logic ..............................................................240
Diagnosis Procedure .............................................241
P0607 ECM .....................................................242
Description .............................................................242
DTC Logic ..............................................................242
Diagnosis Procedure .............................................242
P0643 SENSOR POWER SUPPLY ................243
DTC Logic ..............................................................243
Diagnosis Procedure .............................................243
P0850 PNP SWITCH .......................................245
Description .............................................................245
DTC Logic ..............................................................245
Component Function Check ..................................246
Diagnosis Procedure (VQ35DE engine) ................246
Diagnosis Procedure (VQ25DE engine) ................247
P1212 TCS COMMUNICATION LINE .............249
Description .............................................................249