fuses NISSAN TERRANO 2002 Service Repair Manual

2 CHECK BATTERY AND ALTERNATOR
Check that the proper type of battery and alternator is installed.
Refer to EL section (ªBATTERYº and ªCHARGING SYSTEMº).
OK or NG
OKEGO TO 5.
NGEReplace with a proper one.
3 CHECK JUMPER CABLES INSTALLATION
Check that the jumper cables are connected in the correct sequence.
MEC999D
OK or NG
OKEGO TO 4.
NGEReconnect jumper cables properly.
4 CHECK BATTERY FOR BOOSTER
Check that the battery for the booster is a 12V battery.
OK or NG
OKEGO TO 5.
NGEChange the vehicle for booster.
5 PERFORM DTC CONFIRMATION PROCEDURE AGAIN
Perform ªDTC Confirmation Procedureº, EC-153, again.
OK or NG
OKEGO TO 6.
NGEReplace ECM.
6 CHECK ELECTRICAL PARTS DAMAGE
Check the following for damage.
IWiring harness and harness connectors for burn
IFuses for short
OK or NG
OKEINSPECTION END
NGERepair or replace malfunctioning part.
DTC 0502 BATTERY VOLTAGEZD30DDTi
Diagnostic Procedure (Cont'd)
EC-154

Symptom Chart
DIAGNOSTIC TABLE
PROCEDUREPrelimi-
nary
CheckDiagnostic
ProcedureMain Power
Supply and
Ground Circuit
CheckElectrical Components Inspection
SYMPTOM
Preliminary check 1
Preliminary check 2
Diagnostic procedure 1
Diagnostic procedure 2
Diagnostic procedure 3
15A Fuses
10A Fuse
15A Fuse
Blower motor
Intake door motor
Resistor
A/C switch
Fan switch
A/C relay
Dual-pressure switch
Compressor
Harness Magnet clutch
A/C does not blow cold air.q qqqq qqqqqqq
Blower motor does not rotate.
qqqqq q
Magnet clutch does not
engage when A/C switch and
fan switch are ON.
qq qqqqqq
Noise
Intake door does not change.qq q
,: The number indicates checking order.
q: Refer to each flow chart for checking order. (It depends on malfunctioning portion.)
TROUBLE DIAGNOSES
HA-36

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.
IDisconnect blower motor harness con-
nector.
ITurn 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 Inspec-
tion.)
NG
Replace blower motor.
CHECK BLOWER MOTOR CIRCUIT
BETWEEN BLOWER MOTOR AND
RESISTOR.
IPut 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
ITurn 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.
INCIDENTFlow chart
No.
1 Fan fails to rotate.
1
2Fan 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-52