Nissan Terrano model r20 series 2004. Manual - part 173

 

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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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