2001 NISSAN PICK-UP fuse

SYMPTOM MATRIX CHART 2
(Non self-diagnosis related item)
SYMPTOMDIAGNOSTIC PROCEDURE
(Reference page)SYSTEM
(Malfunctioning part or mode)REFERENCE PART NO. OF
ILLUSTRATION ON DIAG-
NOSTIC SYSTEM DIAGRAM
Security ind. does not light up.PROCEDURE 7
(EL-3159)Security ind. Ð
Open circuit between Fuse and NATS IMMU Ð
Continuation of initialization mode Ð
NATS IMMU A
Security ind. does not blink
just after initialization even if
the vehicle is equipped with
dongle unit.
PROCEDURE 8
(EL-3160)NATS might be initialized without connecting
dongle unit properly.Ð
Open circuit in ground line of dongle unit circuit C6
Security ind. does not blink
just after ignition switch is
turned to ON when some mal-
function related to NATS is
detected even if the vehicle is
equipped with dongle unit.Open or short circuit in communication line
between IMMU and dongle unitC5
Dongle unit G
DIAGNOSTIC SYSTEM DIAGRAM
SEL028X
NATS (Nissan Anti-Theft System)
Trouble Diagnoses (Cont'd)
EL-3151

DIAGNOSTIC PROCEDURE 2
Self-diagnostic results:
ªCHAIN OF ECM-IMMUº displayed on CONSULT-II screen
Confirm SELF-DIAGNOSTIC
RESULTS ªCHAIN OF ECM-
IMMUº* displayed on CONSULT-II
screen.
OK*: In rare case, ªCHAIN OF
ECM-IMMUº might be
stored during key registra-
tion procedure, even if the
system is not malfunction-
ing.
CHECK POWER SUPPLY CIRCUIT FOR
IMMU.
Check voltage between IMMU connector
M68terminalV8(W/L) and ground.
Voltage: Battery voltage
OK
cNG
Check the following:
+20A fuse (No.
36,
located in the fuse and
fusible link box) (Diesel
engine models)
+10A fuse (No.
33,
located in the fuse and
fusible link box) (Gaso-
line engine models)
+Harness for open or
short between fuse and
IMMU connector
Ref. part No. C1
CHECK IGN SW. ON SIGNAL.
Check voltage between IMMU connector
M68terminalV7(W/R) and ground while
ignition switch is in the ªONº position.
Voltage: Battery voltage
OK
cNG
Check the following:
+10A fuse [No.
21,
located in the fuse
block (J/B)]
+Harness for open or
short between fuse and
IMMU connector
Ref. part No. C2
CHECK GROUND CIRCUIT FOR IMMU.
Check harness continuity between IMMU
connector
M68terminalV4(B) and
ground.
Continuity should exist.
OK
cNG
Repair harness.
Ref. part No. C3
CHECK COMMUNICATION ON OPEN
CIRCUIT.
Check harness continuity between the
following ECM terminal and IMMU termi-
nal.
ECM connector
M32terminalV65
(G/OR) or IMMU connectorM68ter-
minal
V1(G/OR)
Continuity should exist.
OK
cNG
Repair harness.
Ref. part No. C4
VA
SEL153X
SEL154XC
SEL155XC
SEL156XB
SEL610Y
.
.
.
.
.
NATS (Nissan Anti-Theft System)
Trouble Diagnoses (Cont'd)
EL-3153

DIAGNOSTIC PROCEDURE 7
ªSECURITY IND. DOES NOT LIGHT UPº
Check 10A fuse [No.6, located in the
fuse block (J/B)].
OK
cNG
Replace fuse.
NATS INITIALIZATION
1) Install the 10A fuse.
2) Perform initialization with CON-
SULT-II.
For the operation of
initialization, refer to ªCON-
SULT-II operation manual
NATSº.
Turn ignition switch ªOFFº.
Start engine and turn ignition switch
ªOFFº.
Check the security ind. lighting.
NG
cOK
END
Check voltage between security ind. con-
nectorM55terminalV1(R/G) and
ground.
Voltage: Battery voltage
OK
cNG
Check harness for open or
short between fuse and
security ind.
CHECK INDICATOR LAMP.
OK
cNG
Repair harness.
CHECK NATS IMMU FUNCTION.
1. Connect NATS IMMU connectorM68.
2. Disconnect security ind. connector
M55.
3. Check continuity between NATS IMMU
connector
M68terminalV6(L) and
ground.
Continuity should exist intermit-
tently.
OK
cNG
NATS IMMU is malfunc-
tioning. Replace IMMU.
Perform initializa-
tion with CON-
SULT-II.
For the operation
of initialization,
refer to ªCON-
SULT-II operation
manual NATSº.
Check harness for open or short between
security indicator and NATS IMMU.
SEL931UC
SEL164XA
.
.
.
.
.
.
.
.
.
NATS (Nissan Anti-Theft System)
Trouble Diagnoses (Cont'd)
EL-3159