Nissan Terrano model r20 series 2004. Manual — part 173
Wiring Diagram
LHD MODELS
YEC679A
DTC P0380 GLOW RELAY, DTC P0381 GLOW LAMP
TD27Ti
EC-414
RHD MODELS
YEC680A
DTC P0380 GLOW RELAY, DTC P0381 GLOW LAMP
TD27Ti
Wiring Diagram (Cont’d)
EC-415
Diagnostic Procedure
INSPECTION START
Check fuel level, fuel supply system,
starter motor, etc.
OK
E
NG
Repair or replace.
Check that all glow plug connecting plate
nuts are installed correctly.
OK
E
NG
Install correctly.
CHECK OVERALL FUNCTION.
Check entire glow control system.
NG
E
OK
CHECK 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
5
and engine ground
with tester.
Voltage: Battery voltage
OK
E
NG
Check the following:
I
80A 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 “ON” position.
2. Check voltage between glow relay con-
nector terminals
q
2
and engine ground
with tester.
Voltage: Battery voltage
OK
E
NG
Check the following:
I
20A 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 “LOCK” position.
2. Disconnect ECM harness connector.
3. Check harness continuity between
ECM connector terminal
214
and
glow relay connector terminal
q
1
. Refer
to wiring diagram.
Continuity should exist.
If OK, check harness for short-circuit.
OK
E
NG
Check the following.
I
Harness 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
3
and glow
plug connector terminal
q
1
. Refer to
wiring diagram.
Continuity should exist.
If OK, check harness for short-circuit.
OK
E
NG
Check the following.
I
Harness connectors
M740
,
E142
I
Harness continuity
between glow relay and
glow plug
If NG, repair harness or
connectors.
q
A
NEF504
MEC950D
MEC951D
H
H
H
H
H
H
H
H
DTC P0380 GLOW RELAY, DTC P0381 GLOW LAMP
TD27Ti
EC-416
q
A
CHECK VOLTAGE BETWEEN COMBI-
NATION METER (GLOW INDICATOR)
AND GROUND.
1. Turn ignition switch “OFF”.
2. Disconnect combination meter harness
connector.
3. Check voltage between combination
meter terminal
q
28
and ground.
Voltage: Battery voltage
OK
E
NG
Check the following.
I
10A 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 “OFF”.
2. Disconnect ECM harness connector.
3. Check harness continuity between
combination meter terminal
q
47
and
ECM terminal
221
. Refer to wiring
diagram.
Continuity should exist.
If OK, check harness for short circuit.
OK
E
NG
Repair harness or connec-
tors.
CHECK COMPONENTS.
(Glow relay, Glow plug, Glow indicator).
Refer to “COMPONENT INSPECTION”,
EC-419.
OK
E
NG
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 and
check the connection of ECM harness
connector. Reconnect ECM harness con-
nector and retest.
INSPECTION END
YEC257A
H
H
H
H
H
H
DTC P0380 GLOW RELAY, DTC P0381 GLOW LAMP
TD27Ti
Diagnostic Procedure (Cont’d)
EC-417
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