NISSAN TERRANO 2004 Service Repair Manual

Wiring Diagram
LHD TD27Ti ENGINE MODELS
YHA392
TROUBLE DIAGNOSES
HA-44
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YHA393
TROUBLE DIAGNOSES
Wiring Diagram (Cont'd)HA-45
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RHD TD27Ti ENGINE MODELS
YHA394
TROUBLE DIAGNOSES
Wiring Diagram (Cont'd)HA-46
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YHA395
TROUBLE DIAGNOSES
Wiring Diagram (Cont'd)HA-47
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LHD ZD30DDTi ENGINE MODELS
YHA396
TROUBLE DIAGNOSES
Wiring Diagram (Cont'd)HA-48
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YHA397
TROUBLE DIAGNOSES
Wiring Diagram (Cont'd)HA-49
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RHD ZD30DDTi ENGINE MODELS
YHA398
TROUBLE DIAGNOSES
Wiring Diagram (Cont'd)HA-50
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YHA399
TROUBLE DIAGNOSES
Wiring Diagram (Cont'd)HA-51
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Main Power Supply and Ground Circuit Check
POWER SUPPLY CIRCUIT CHECK FOR A/C SYSTEM
Check power supply circuit for air conditioning system.
Refer to ªPOWER SUPPLY ROUTINGº in EL section and ªWir-
ing Diagramº.
TROUBLE DIAGNOSES
HA-52
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Diagnostic Procedure 1
SYMPTOM: Blower motor does not rotate.
IPerform PRELIMINARY CHECK 2 before referring to the
following flow chart.
Check if blower motor rotates properly at
each fan speed.
Conduct check as per flow chart at left.234EqB5EqC
(Go to next page.)
1
CHECK POWER SUPPLY FOR BLOWER
MOTOR.
I
Disconnect blower motor harness con-
nector.
I Turn ignition switch to ACC or ON posi-
tion.
Do approx. 12 volts exist between blower
motor harness terminal No. q
1and body
ground?
OK
ENG Check 15A fuses at fuse
block.
(Refer to ªPOWER SUP-
PLY ROUTINGº in EL sec-
tion and ªWiring Diagramº.)
IPut fan switch to ON position.
Check circuit continuity between blower
motor harness terminal No. q
2and body
ground.
OK
ENG Reconnect blower motor
harness connector.
CHECK BLOWER MOTOR.
(Refer to Electrical Components
Inspection, HA-61.)
NG
Replace blower motor.
CHECK BLOWER MOTOR CIRCUIT
BETWEEN BLOWER MOTOR AND
RESISTOR.
I Put fan switch to OFF position.
Do approx. 12 volts exist between resistor
harness terminal No. q
1and body ground?
OK
ENG
Disconnect blower motor
and resistor harness con-
nectors.
Note
I Turn ignition switch OFF.
Check circuit continuity
between blower motor har-
ness terminal No. q
2and
resistor harness terminal
No. q
1.
qA
(Go to next page.)Note:
If the result is NG after checking circuit continuity, repair har-
ness or connector.
INCIDENT Flow chart
No.
1 Fan fails to rotate.
1
2 Fan does not rotate at
1-speed.2
3Fan does not rotate at
2-speed.3
4Fan does not rotate at
3-speed.4
5Fan does not rotate at
4-speed.5
YHA408
YHA409
YHA410
YHA411
H
H
H
H
H
H
TROUBLE DIAGNOSES
HA-53
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