Page 33 of 3189
MGI035A
Input-output voltage chart
Pin No. Item ConditionVoltage
value VIn case of high resistance such as single strand V *
1 Lamp Switch ON Approx. 0 Battery voltage (Inoperative lamp)
Switch OFF Battery voltage Battery voltage
2 Switch Switch ON Approx. 0 Higher than 0 Approx. 4 (Example)
Switch OFF Approx. 5 Approx. 5
The voltage value is based on the body ground.
* : If high resistance exists in the switch side circuit (caused by a single strand), terminal 2 does not detect approx. 0V. Control unit
does not detect the switch is ON even if the switch turns ON. Therefore, the control unit does not control ground to light up the lamp.
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HOW TO PERFORM EFFICIENT DIAGNOSES FOR AN ELECTRICAL INCIDENT
Circuit Inspection (Cont’d)
GI-31
Page 34 of 3189

NJGI0006
NOTICE:
Trouble diagnoses indicate work procedures required to diagnose
problems effectively. Observe the following instructions before
diagnosing.
1)Before performing trouble diagnoses, read the “Prelimi-
nary Check”, the “Symptom Chart” or the “Work Flow”.
2)After repairs, re-check that the problem has been com-
pletely eliminated.
3)Refer to Component Parts and Harness Connector Loca-
tion for the Systems described in each section for
identification/location of components and harness con-
nectors.
4)Refer to the Circuit Diagram for quick pinpoint check.
If you need to check circuit continuity between harness
connectors in more detail, such as when a sub-harness is
used, refer to Wiring Diagram in each individual section
and Harness Layout in EL section for identification of har-
ness connectors.
5)When checking circuit continuity, ignition switch should
be OFF.
6)Before checking voltage at connectors, check battery volt-
age.
7)After accomplishing the Diagnostic Procedures and Elec-
trical Components Inspection, make sure that all harness
connectors are reconnected as they were.
HOW TO FOLLOW TROUBLE DIAGNOSES
GI-32
Page 35 of 3189

How to Follow Test Groups in Trouble
Diagnoses
NJGI0006S01
SGI138A
1)Work and diagnostic procedure
Start to diagnose a problem using procedures indicated in
enclosed test groups.
2)Questions and required results
Questions and required results are indicated in bold type in test
group.
The meaning of are as follows:
a. Battery voltage→11 - 14V or approximately 12V
b. Voltage: Approximately 0V→Less than 1V
3)Symbol used in illustration
Symbols included in illustrations refer to measurements or pro-
cedures. Before diagnosing a problem, familiarize yourself with
each symbol. Refer to “CONNECTOR SYMBOLS” (GI-16) and
“Key to Symbols Signifying Measurements or Procedures” (GI-
34).
4)Action items
Next action for each test group is indicated based on result of
each question. Test group number is shown in the left upper
portion of each test group.
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HOW TO FOLLOW TROUBLE DIAGNOSES
How to Follow Test Groups in Trouble Diagnoses
GI-33
Page 36 of 3189

Key to Symbols Signifying Measurements or
Procedures
NJGI0006S02
Symbol Symbol explanation Symbol Symbol explanation
Check after disconnecting the con-
nector to be measured.Procedure with Generic Scan Tool
(GST, OBD-II scan tool)
Check after connecting the connec-
tor to be measured.Procedure without CONSULT-II or
GST
Insert key into ignition switch.A/C switch is “OFF”.
Remove key from ignition switch.A/C switch is “ON”.
Turn ignition switch to “OFF” posi-
tion.REC switch is “ON”.
Turn ignition switch to “ON” position.REC switch is “OFF”.
Turn ignition switch to “START” posi-
tion.Fan switch is “ON”. (At any position
except for “OFF” position)
Turn ignition switch from “OFF” to
“ACC” position.Fan switch is “OFF”.
Turn ignition switch from “ACC” to
“OFF” position.Apply positive voltage from battery
with fuse directly to components.
Turn ignition switch from “OFF” to
“ON” position.Drive vehicle.
Turn ignition switch from “ON” to
“OFF” position.Disconnect battery negative cable.
Do not start engine, or check with
engine stopped.Depress brake pedal.
Start engine, or check with engine
running.Release brake pedal.
Apply parking brake.Depress accelerator pedal.
Release parking brake.Release accelerator pedal.
HOW TO FOLLOW TROUBLE DIAGNOSES
Key to Symbols Signifying Measurements or Procedures
GI-34
Page 37 of 3189
Symbol Symbol explanation Symbol Symbol explanation
Check after engine is warmed up
sufficiently.Pin terminal check for SMJ type
ECM and TCM connectors.
For details regarding the terminal
arrangement, refer to the “ELEC-
TRICAL UNITS” electrical refer-
ence page at the end of the
manual.
Voltage should be measured with a
voltmeter.
Circuit resistance should be mea-
sured with an ohmmeter.
Current should be measured with an
ammeter.
Procedure with CONSULT-II
Procedure without CONSULT-II
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HOW TO FOLLOW TROUBLE DIAGNOSES
Key to Symbols Signifying Measurements or Procedures (Cont’d)
GI-35
Page 38 of 3189

NJGI0007
Function and System ApplicationNJGI0007S05
Diagnostic
test modeFunction ENGINE A/T ABS AIR BAGSMART
EN-
TRANCENATS*1NAVIGA-
TION
Work sup-
portThis mode enables a technician to
adjust some devices faster and
more accurate by following the indi-
cations on CONSULT-II.x ———X——
Self-diag-
nostic
resultsSelf-diagnostic results can be read
anderasedquickly. x x x x—x—
Trouble
diagnostic
recordCurrent self-diagnostic results and
all trouble diagnostic records previ-
ously stored can be read.——— x ———
ECU dis-
criminated
No.Classification number of a replace-
ment ECU can be read to prevent
an incorrect ECU from being
installed.——— x ———
Data monitorInput/Output data in the ECU
(ECM) can be read.x x x—x——
Data monitor
(Spec.)The specified values will be dis-
played when an OK/NG judgement
is difficult for the DATA MONITOR
items by Barchart and Line Graph.X ——————
DTC work
supportThis mode enables a technician to
set operating conditions to confirm
self-diagnoses status/results.x*2x —————
Active testDiagnostic Test Mode in which
CONSULT-II drives some actuators
apart from the ECMs and also
shifts some parameters in a speci-
fied range.x—x—x——
ECU (ECM)
part numberECU (ECM) part number can be
read.x x x ————
Control unit
initializationAll registered ignition key IDs in
NATS components can be initial-
ized and new IDs can be regis-
tered.————— x —
PIN
INITIALIZA-
TIONNavigation system will be locked
when the vehicle’s owner enters
the wrong PIN five consecutive
times.
To release the lock, use “PIN INI-
TIALIZATION”.—————— x
NAVI ID
INITIALIZA-
TIONIn nomal times regulation codes are
being communicated between Navi-
gation Control Unit and Dongle
Control Unit.
Use “NAVI ID INITIALIZATION” to
match the codes when either one
has been replaced due to break-
down or etc.—————— x
x: Applicable
*1: NATS (Nissan Anti-Theft System)
*2: For models with Euro-OBD system
CONSULT-II CHECKING SYSTEM
Function and System Application
GI-36
Page 39 of 3189

Nickel Metal Hydride Battery Replacement=NJGI0007S06CONSULT-II contains a nickel metal hydride battery. When replacing the battery obey the following:
WARNING:
Replace the nickel metal hydride battery with Genuine CONSULT-II batteryonly. Use of another bat-
tery may present a risk of fire or explosion. The battery may present a fire orchemicalburnhazardif
mistreated. Do not recharge, disassemble of dispose of in fire.
Keep the battery out of reach of children and discard used battery conforming to the local regulations.
Checking EquipmentNJGI0007S07When ordering the below equipment, contact your NISSAN distributor.
Tool name Description
NISSAN CONSULT-II
1CONSULT-II unit (Tester internal soft:
Resident version 3.3.0) and accessories
2Program card AED02D and AEN02B
(For NATS Version 5.6)
To confirm the best combination of these
softwares, refer to CONSULT-II Operation
Manual.
SGI083A
NOTE:
The CONSULT-II must be used in conjunction with a program card.
CONSULT-II does not require loading (Initialization) procedure.
Be sure the CONSULT-II is turned off before installing or removing a program card.
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CONSULT-II CHECKING SYSTEM
Nickel Metal Hydride Battery Replacement
GI-37
Page 40 of 3189
CONSULT-II Data Link Connector (DLC) Circuit=NJGI0007S08
SGI122A
INSPECTION PROCEDURENJGI0007S0801If the CONSULT-II cannot diagnose the system properly, check the following items.
Symptom Check item
CONSULT-II cannot access any
system.CONSULT-II DLC power supply circuit (Terminal 8) and ground circuit (Terminal 4)
(For detailed circuit, refer to EC-397 (QG) or EC-213 (YD), “MIL & Data LinkConnectors Wiring
Diagram”.)
CONSULT-II DDL cable
CONSULT-II cannot access indi-
vidual system. (Other systems
can be accessed.)CONSULT-II program card (Check the approprite CONSULT-II program card for the system.
Refer to “Checking Equipment” above.)
Power supply and ground circuit for the control unit of the system
(For detailed circuit, refer to wiring diagram for each system.)
Open or short circuit between the system and CONSULT-II DLC
(For detailed circuit, refer to wiring diagram for each system.)
CONSULT-II CHECKING SYSTEM
CONSULT-II Data Link Connector (DLC) Circuit
GI-38