Nissan Terrano model r20 series 2004. Manual — part 156
HOW TO SWITCH DIAGNOSTIC TEST MODES
*1: EC-475
*2: EC-345
*3: EC-475
SEF878Y
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
TD27Ti
Malfunction Indicator (MI) (Cont’d)
EC-346
DIAGNOSTIC TEST MODE I—BULB CHECK
In this mode, the MALFUNCTION INDICATOR on the instrument panel should stay ON. If it remains OFF,
check the bulb. Refer to EL section (“WARNING LAMPS/WIRING DIAGRAM”) or see EC-475.
DIAGNOSTIC TEST MODE I—MALFUNCTION WARNING
MI
Condition
ON
When a malfunction is detected or the ECM’s CPU is malfunctioning.
OFF
No malfunction.
I
These Diagnostic Trouble Code Numbers are clarified in Diagnostic Test Mode II (SELF-DIAGNOSTIC
RESULTS).
DIAGNOSTIC TEST MODE II—SELF-DIAGNOSTIC RESULTS
In this mode, DTC is indicated by the number of blinks of the MI as shown below.
Long (0.6 second) blinking indicates the two LH digits of number and short (0.3 second) blinking indicates the
two RH digits of number. For example, the MI blinks 10 times for 6 seconds (0.6 sec x 10 times) and then it
blinks three times for about 1 second (0.3 sec x 3 times). This indicates the DTC “1003”.
In this way, all the detected malfunctions are classified by their DTC numbers. The DTC “0505” refers to no
malfunction. (See TROUBLE DIAGNOSIS — INDEX, EC-313.)
HOW TO ERASE DIAGNOSTIC TEST MODE II (Self-diagnostic results)
The diagnostic trouble code can be erased from the backup memory in the ECM when the diagnostic test mode
is changed from Diagnostic Test Mode II to Diagnostic Test Mode I repeating consecutively twice. (Refer to
“HOW TO SWITCH DIAGNOSTIC TEST MODES” on previous page.)
I
If the battery terminal is disconnected, the diagnostic trouble code will be lost from the backup
memory within 24 hours.
I
Be careful not to erase the stored memory before starting trouble diagnoses.
I
If the MI flashes or “NATS MALFUNCTION” is displayed on “SELF-DIAG RESULTS” screen, perform
self-diagnostic results mode with CONSULT-II using NATS program card (NATS-E940). Refer to EL
section.
I
Confirm no self-diagnostic results of NATS is displayed before touching “ERASE” in “SELF-DIAG
RESULTS” mode with CONSULT-II.
I
When replacing ECM, initialisation of NATS system and registration of all NATS ignition key IDs
must be carried out with CONSULT-II using NATS program card (NATS-E940).
Therefore, be sure to receive all keys from vehicle owner.
SEF298QA
SEF162PB
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
TD27Ti
Malfunction Indicator (MI) (Cont’d)
EC-347
Regarding the procedures of NATS initialisation and NATS ignition key ID registration, refer to
CONSULT-II operation manual, NATS.
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
TD27Ti
Malfunction Indicator (MI) (Cont’d)
EC-348
RELATIONSHIP BETWEEN MI, DTC, CONSULT-II AND DRIVING PATTERNS
*1: When a malfunction is detected, MI
will light up.
*2: When the same malfunction is
detected in two consecutive driving
patterns, MI will stay lit up.
*3: MI will go off after vehicle is driven
three times without any malfunc-
tions.
*4: When a malfunction is detected for
the first time, the DTC will be
stored in ECM.
*5: The DTC will not be displayed any
longer after vehicle is driven 40
times without the same malfunc-
tion. (The DTC still remain in
ECM.)
*6: Other screens except SELF-DIAG-
NOSTIC RESULTS & DATA MONI-
TOR (AUTO TRIG) cannot display
the malfunction. DATA MONITOR
(AUTO TRIG) can display the mal-
function at the moment it is
detected.
SEF879Y
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
TD27Ti
Malfunction Indicator (MI) (Cont’d)
EC-349
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