Nissan Terrano model r20 series 2004. Instruction — part 431
RHD MODELS
YEL788E
NATS (Nissan Anti-Theft System)
Wiring Diagram — NATS — (Cont’d)
EL-228
CONSULT-II
CONSULT-II INSPECTION PROCEDURE
1. Turn ignition switch OFF.
2. Connect “CONSULT-II” to Data link connector.
3. Insert NATS program card into CONSULT-II.
: Program card
NATS (AEN02C-1)
4. Turn ignition switch ON.
5. Touch “START”.
6. Perform each diagnostic test mode according to each service
procedure.
For further information, see the CONSULT-II Operation Instruction,
NATS.
CONSULT-II DIAGNOSTIC TEST MODE FUNCTION
CONSULT-II DIAGNOSTIC TEST
MODE
Description
C/U INITIALIZATION
When replacing any of the following components, C/U initialization is necessary.
[NATS ignition key/IMMU/ECM/Dongle]
SELF-DIAGNOSTIC RESULTS
Detected items (screen terms) are as shown in the chart below.
NOTE:
When any initialization is performed, all ID previously regis-
tered will be erased and all NATS ignition keys must be regis-
tered again.
The engine cannot be started with an unregistered key. In this
case, the system may show “DIFFERENCE OF KEY” or “LOCK
MODE” as a self-diagnostic result on the CONSULT-II screen.
When initialization is performed for RHD models for Europe,
security indicator will flash six times to demonstrate recogni-
tion of dongle ID.
NRS071
PBR455D
SEL150X
NATS (Nissan Anti-Theft System)
EL-229
HOW TO READ SELF-DIAGNOSTIC RESULTS
NATS SELF-DIAGNOSTIC RESULTS ITEM CHART
Detected items
(NATS program card screen
terms)
Malfunction is detected when ...
Reference page
CHAIN OF ECM-IMMU
Communication impossible between ECM and IMMU
DIFFERENCE OF KEY
IMMU can receive the key ID signal but the result of ID verification between key ID and IMMU
is NG.
CHAIN OF IMMU-KEY
IMMU cannot receive the key ID signal. Or the registered ID signal from dongle unit can not be
received when the IMMU request the ID.
ID DISCORD, IMM-ECM
The result of ID verification between IMMU and ECM is NG. System initialization is required.
DON’T ERASE BEFORE
CHECKING ENG DIAG
All engine trouble codes except NATS trouble code have been detected in ECM.
LOCK MODE
When the starting operation is carried out five or more times consecutively under the following
conditions, NATS will shift the mode to one which prevents the engine from being started.
I
Unregistered ignition key is used.
I
IMMU or ECM is malfunctioning.
SEL308W
NATS (Nissan Anti-Theft System)
CONSULT-II (Cont’d)
EL-230
Trouble Diagnoses
WORK FLOW
CHECK IN
Listen to customer complaints or request. (Get symptoms)
TROUBLE
KEY SERVICE REQUEST (Additional key ID registration)
H
Verify the security indicator and MI*.
INITIALIZATION
(Refer to CONSULT-II operation
instruction NATS.)
E
Using the CONSULT-II program card for NATS check the
“SELF-DIAG RESULTS” with CONSULT-II.
F
Self-diagnostic results referring to NATS, but no information
about engine self-diagnostic results is displayed on CONSULT-
II.
Turn ignition switch “OFF”.
Repair NATS.
(If necessary, carry out “C/U INITIALIZATION” with CONSULT-
II.)
Turn ignition switch “ON”.
Erase the NATS “SELF-DIAG RESULTS” by using CONSULT-
II. (Touch “ERASE”.)
Start the engine.
NG
Verify no lighting up of the security indicator.
OK
CHECK OUT
Perform running test with CONSULT-II in engine “SELF-DIAG
RESULTS” mode.
NG
Verify “NO DTC IS DETECTED” displayed on the CONSULT-II
screen.
OK
CHECK OUT
Self-diagnostic results referring to NATS and “DON’T
ERASE BEFORE CHECKING ENG DIAG” are displayed on
CONSULT-II.
(This means that engine trouble data has been detected in
ECM.)
Turn ignition switch “OFF”.
Repair NATS according to self-diagnostic results referring to
NATS.
(If necessary, carry out “C/U INITIALIZATION” with CON-
SULT-II.)
Do not erase the NATS “SELF-DIAG RESULTS” by using
CONSULT-II.
Check the engine “SELF-DIAG RESULTS” with CONSULT-II
by using the CONSULT-II generic program card.
(Engine diagnostic software included)
OK
F
Repair engine control system (Refer to EC section.) when
self-diagnostic results except “NATS MALFUNCTION” are
detected. When only “NATS MALFUNCTION” is detected,
erase the self-diagnostic results and go to the next step.
Start the engine. Does the engine start properly?
NG
Erase the NATS and engine “SELF-DIAG RESULTS” by
using the CONSULT-II program card for NATS and generic
program card.
Start the engine.
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
NATS (Nissan Anti-Theft System)
EL-231
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