2004 NISSAN TERRANO fuse

Diagnostic Procedure
INSPECTION START
Check fuel level, fuel supply system,
starter motor, etc.
OK
ENGRepair or replace.
Check that all glow plug connecting plate
nuts are installed correctly.
OK
ENGInstall correctly.
CHECK OVERALL FUNCTION.
Check entire glow control system.
NG
EOKCHECK COMPONENT
(Glow plug).
Refer to EC-419.
CHECK VOLTAGE BETWEEN GLOW
RELAY AND GROUND.
1. Disconnect glow relay.
2. Check voltage between glow relay con- nector terminal q
5and engine ground
with tester.
Voltage: Battery voltage
OK
ENG Check the following:
I80A fusible link in fusible
link box
I Harness continuity
between glow relay and
battery positive terminal.
If NG, replace fuse or fus-
ible link or repair harness
or connectors.
CHECK VOLTAGE BETWEEN GLOW
RELAY AND GROUND.
1. Turn ignition switch to ªONº position.
2. Check voltage between glow relay con- nector terminals q
2and engine ground
with tester.
Voltage: Battery voltage
OK
ENG Check the following:
I20A fusible link in fusible
link box
I ECM relay
I Harness continuity
between glow relay and
battery positive terminal.
If NG, replace fuse or fus-
ible link or repair harness
or connectors.
CHECK OUTPUT SIGNAL CIRCUIT.
1. Turn ignition switch to ªLOCKº position.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM connector terminal
214and
glow relay connector terminal q
1. Refer
to wiring diagram.
Continuity should exist.
If OK, check harness for short-circuit.
OK
ENG Check the following.
IHarness connectors
M787,F66(LHD mod-
els)
I Harness continuity
between glow relay and
ECM
If NG, repair harness or
connectors.
CHECK HARNESS CONTINUITY
BETWEEN GLOW RELAY AND GLOW
PLUG.
1. Disconnect glow plug connector.
2. Check harness continuity between glow relay connector terminal q
3and glow
plug connector terminal q
1. Refer to
wiring diagram.
Continuity should exist.
If OK, check harness for short-circuit.
OK
ENG Check the following.
IHarness connectors
M740,E142
IHarness continuity
between glow relay and
glow plug
If NG, repair harness or
connectors.
qA
NEF504
MEC950D
MEC951D
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DTC P0380 GLOW RELAY, DTC P0381 GLOW LAMPTD27Ti
EC-416
http://vnx.su/

qA
CHECK VOLTAGE BETWEEN COMBI-
NATION METER (GLOW INDICATOR)
AND GROUND.
1. Turn ignition switch ªOFFº.
2. Disconnect combination meter harness connector.
3. Check voltage between combination meter terminal q
28and ground.
Voltage: Battery voltage
OK
ENG Check the following.
I10A fuse
I Harness continuity
between combination
meter and 10A fuse
If NG, replace fuse or
repair harness or connec-
tors.
CHECK HARNESS CONTINUITY
BETWEEN COMBINATION METER AND
ECM.
1. Turn ignition switch ªOFFº.
2. Disconnect ECM harness connector.
3. Check harness continuity between combination meter terminal q
47and
ECM terminal221. Refer to wiring
diagram.
Continuity should exist.
If OK, check harness for short circuit.
OK
ENG Repair harness or connec-
tors.
CHECK COMPONENTS.
(Glow relay, Glow plug, Glow indicator).
Refer to ªCOMPONENT INSPECTIONº,
EC-419.
OK
ENGReplace malfunctioning
component(s).
Disconnect and reconnect harness con-
nectors in the circuit. Then retest.
Trouble is not fixed.
Check ECM pin terminals for damage and
check the connection of ECM harness
connector. Reconnect ECM harness con-
nector and retest.
INSPECTION END
YEC257A
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DTC P0380 GLOW RELAY, DTC P0381 GLOW LAMPTD27Ti
Diagnostic Procedure (Cont'd)
EC-417
http://vnx.su/

Diagnostic Procedure
INSPECTION START
(Stop lamp switch circuit)
CHECK POWER SUPPLY.
1. Turn ignition switch to ªLOCKº position.
2. Disconnect stop lamp switch harness connector.
3. Check voltage between stop lamp switch harness connector terminal q
1and engine ground.
Voltage: Battery voltage
OK
ENG
Check the following:
I15A fuse
I Harness for open or
short-circuit between
fuse block and stop
lamp switch
If NG, repair harness or
connectors.
CHECK STOP LAMP SWITCH INPUT
SIGNAL CIRCUIT.
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM connector terminal
405and stop
lamp switch terminal q2. Refer to wiring
diagram.
Continuity should exist.
If OK, check harness for short-circuit.
OK
ENG Repair harness or connec-
tors.
CHECK BRAKE SWITCH INPUT SIGNAL
CIRCUIT.
1. Disconnect brake switch harness con-
nector.
2. Check harness continuity between brake switch terminal q
2and ECM ter-
minal416. Refer to wiring diagram.
Continuity should exist.
If OK, check harness for short-circuit.
OK
ENG Repair harness or connec-
tors.
CHECK GROUND CIRCUIT.
1. Check harness continuity between
brake switch terminal q
1and ground.
Refer to wiring diagram.
Continuity should exist.
If OK, reconnect harness connectors.
OK
ENG Repair harness or connec-
tors.
CHECK COMPONENT.
(Stop lamp switch and brake switch)
Refer to ªCOMPONENT INSPECTIONº,
EC-426.
OK
Disconnect and reconnect harness con-
nectors in the circuit. Then retest.
Trouble is not fixed
Check ECM pin terminals for damage and
check the connection of ECM harness
connector. Reconnect ECM harness con-
nector and retest.
INSPECTION END
MEC952D
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DTC P0571 BRAKE SWTD27Ti
EC-425
http://vnx.su/

Diagnostic Procedure
INSPECTION START
CHECK MI POWER SUPPLY.
1. Turn ignition switch ªLOCKº.
2. Disconnect combination meter harness connector.
3. Turn ignition switch ªONº.
4. Check voltage between combination meter terminal q
28and ground with
CONSULT-II or tester.
Voltage: Battery voltage
OK
ENG Check the following.
IFuse block (J/B) con-
nector
F48(LHD mod-
els)M756(RHD models)
I 10A fuse
I Harness for open or
short between fuse
block (J/B) and combi-
nation meter
If NG, repair harness or
connectors.
CHECK MI OUTPUT SIGNAL CIRCUIT
FOR OPEN AND SHORT.
1. Turn ignition switch ªLOCKº.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminals
215and combination meter
terminal q14. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
Continuity should exist.
OK
ENG Repair harness or connec-
tors.
CHECK COMBINATION METER.
1. Turn ignition switch ªLOCKº.
2. Disconnect combination meter harness connector.
3. Check continuity under the following conditions.
OK
ENG Replace combination
meter. Refer to EL section.
Disconnect and reconnect harness con-
nectors in the circuits. Then retest.
Trouble is not fixed.
Check ECM pin terminals for damage and
check the connection of ECM harness
connector. Reconnect ECM harness con-
nector and retest.
INSPECTION END
CONDITION Terminal No.
(Polarity) Continuity
1 q
28(+) -q14(þ) Should not
exist.
2 q
28(þ) -q14(+) Should
exist.
YEC239A
YEC240A
YEC241A
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DTC P0650 MITD27Ti
EC-429
http://vnx.su/

Diagnostic Procedure
INSPECTION START
CHECK OVERALL FUNCTION.
With CONSULT-II
1. Turn ignition switch ªONº.
2. Perform ªCOOLING FANº in ªACTIVE TESTº mode with CONSULT-II.
3. Make sure that cooling fan operate.
Without CONSULT-II
1. Start engine and let it idle.
2. Set temperature lever at full cold posi- tion.
3. Turn air conditioner switch ªONº.
4. Turn blower fan switch ªONº.
5. Make sure that cooling fan operate.
NG
EOK Go to ª qCº, EC-447.
CHECK COOLING FAN RELAY POWER
SUPPLY CIRCUIT.
1. Turn ignition switch ªOFFº.
2. Disconnect cooling fan relay.
3. Check voltage between cooling fan relay terminal q
3and ground with
CONSULT-II or tester.
Voltage: Battery voltage
OK
ENG Check the following.
I30A fuse
I Harness for open or
short between cooling
fan relay and battery
If NG, repair or replace
harness or fuse.
CHECK COOLING FAN MOTOR AND
CONDENSER CIRCUIT.
1. Disconnect cooling fan relay harness connector, cooling fan motor harness
connector and condenser harness con-
nector.
2. Check continuity as follows. Refer to wiring diagram.
OK
ENG Check the following.
IHarness connectors
M785,F67
IHarness for open or
short between cooling
fan relay and cooling fan
motor
I Harness for open or
short between cooling
fan relay and condenser
If NG, repair harness or
connectors.
qA
Cooling fan relay terminal q5and cooling fan motor terminal
q1Continuity
shouldexist.
Cooling fan relay terminal q
5and condenser terminalq1
SEF646X
SEC163BA
MEC940D
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DTC P1217 OVER HEATTD27Ti
EC-444
http://vnx.su/

qA
CHECK COOLING FAN MOTOR AND
CONDENSER GROUND CIRCUIT.
1. Check continuity between cooling fanmotor terminal q
2and ground. Refer to
wiring diagram.
Continuity should exist.
2. Check continuity between condenser terminal q
2and ground. Refer to wiring
diagram.
Continuity should exist.
If OK, reconnect harness connectors.
OK
ENG Repair harness or connec-
tors.
CHECK COMPONENT
(Cooling fan relay).
Refer to ªCOMPONENT INSPECTIONº on
page EC-449.
OK
CHECK A/C RELAY POWER SUPPLY
CIRCUIT.
1. Disconnect A/C relay.
2. Check voltage between A/C relay ter- minal q
2,q3and ground.
Voltage: Battery voltage
OK
ENG Check the following.
IHarness connectors
F120,M812
I10A fuse
I Harness for open or
short between A/C relay
and fuse
If NG, repair or replace
harness or fuse.
CHECK A/C RELAY AND COOLING FAN
RELAY CIRCUIT.
1. Disconnect A/C relay and cooling fan relay.
2. Check continuity between A/C relay terminal q
5and cooling fan relay termi-
nal q
2. Refer to wiring diagram.
Continuity should exist.
OK
ENG Repair harness or connec-
tors.
CHECK ECM INPUT SIGNAL CIRCUIT.
1. Disconnect ECM harness connector.
2. Check continuity as follows. Refer to wiring diagram.
OK
ENG Check the following.
IHarness connectors
M812,F120
IHarness connectors
M787,F66
IHarness for open or
short between A/C relay
and ECM
I Harness for open or
short between cooling
fan relay and ECM
If NG, repair harness or
connectors.
qB
ECM terminal204and A/C
relay terminal q1Continuity
shouldexist.
ECM terminal
219and cool-
ing fan relay terminal q1
PBIB0185E
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DTC P1217 OVER HEATTD27Ti
Diagnostic Procedure (Cont'd)
EC-445
http://vnx.su/

qA
CHECK CONTROL FUNCTION.
With CONSULT-II
1. Turn ignition switch to ªONº position.
2. Turn EGRC-solenoid valve A, B and throttle control solenoid valve to ªONº
and to ªOFFº in ªACTIVE TESTº mode
with CONSULT and check operating
sound.
Without CONSULT-II
1. Check voltage between ECM connector terminals
208,210and engine
ground with tester under the following
conditions.
Voltage: At idle:Approximately 0.4V
Engine speed is more than 3,000
rpm: Battery voltage
2. Check voltage between ECM connector terminal q
1and engine ground with
tester under the following conditions.
Voltage: At idle:Approximately 0.4V
Engine speed is more than 2,400
rpm: Battery voltage
NG
EOK CHECK VACUUM HOSE.
Check vacuum hose for
clogging, cracks or
improper connection.
CHECK POWER SUPPLY-I.
1. Turn ignition switch to ªLOCKº position.
2. Disconnect EGRC-solenoid valve A and B harness connector.
3. Turn ignition switch to ªONº position.
4. Check voltage between EGRC-solenoid valve A and B terminals q
2and engine
ground with CONSULT-II or tester.
Voltage: Battery voltage
OK
ENG Check the following:
I20A fuse
I Condition and operation
of ignition switch
I Harness connectors
M787,F66(LHD mod-
els)
I Harness connectors
F100,M775(RHD mod-
els)
I ECM relay
I Harness for open or
short-circuit between
EGRC-solenoid valve A,
B and fuse.
If NG, replace fuse or
repair ignition switch, har-
ness or connectors.
qB
MEC953D
SEF816F
YEC247A
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DTC P1404 EGR SOL/V A, DTC P1405 EGR SOL/V B/P1407 THROTTLE SOLENOID VALVETD27Ti
Diagnostic Procedure (Cont'd)
EC-460
http://vnx.su/

qB
CHECK POWER SUPPLY-II.
1. Turn ignition switch ªOFFº.
2. Disconnect throttle control solenoid valve harness connector.
3. Turn ignition switch ªONº.
4. Check voltage between throttle solenoid valve connector terminal q
2and engine
ground with CONSULT-II or tester.
Voltage: Battery voltage
OK
ENG Check the following.
I20A fuse
I ECM relay
I Harness connectors
M787,F66(LHD mod-
els)
I Harness connectors
F100,M77(RHD mod-
els)
I Harness for open or
short circuit between
throttle control solenoid
valve and ECM relay.
If NG, repair or replace
harness or connectors.
CHECK OUTPUT SIGNAL CIRCUIT-I.
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM connector terminal
208and
EGR Control Solenoid Valve A connec-
tor terminal q
1; ECM connector terminal
210and EGR Control Solenoid Valve
B connector terminal q
1. Refer to wiring
diagram.
Continuity should exist.
If OK, check harness for short-circuit.
OK
ENG Check the following:
IHarness connectors
F100,M775(RHD mod-
els)
I Harness for open or
short-circuit between
EGRC-solenoid valve A,
B and ECM
If NG, repair harness or
connectors.
CHECK OUTPUT SIGNAL CIRCUIT-II.
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM connector terminal
213and
throttle control solenoid valve terminal
q
1. Refer to wiring diagram.
Continuity should exist.
If OK, check harness for short circuit.
OK
ENG Check the following:
IHarness connectors
F137,M853(RHD mod-
els)
I Harness for open or
short circuit between
throttle control solenoid
valve and ECM
If NG, repair harness or
connectors.
CHECK COMPONENTS
(EGRC-solenoid valve A and B).
(Throttle control valve)
Refer to EC-462.
OK
ENG Replace malfunctioning
component(s).
Disconnect and reconnect harness con-
nectors in the circuit. Then retest.
Trouble is not fixed.
Check ECM pin terminals for damage or
the connection of ECM harness connector.
Reconnect ECM harness connector and
retest.
INSPECTION END
MEC954D
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DTC P1404 EGR SOL/V A, DTC P1405 EGR SOL/V B/P1407 THROTTLE SOLENOID VALVETD27Ti
Diagnostic Procedure (Cont'd)
EC-461
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