Ignition NISSAN TERRANO 2004 Service Repair Manual

DIAGNOSTIC PROCEDURE 8 (CONTINUED FROM
DIAGNOSTIC PROCEDURE 6)
Inspecting SRS malfunctioning record
1 CONSIDER POSSIBILITY OF NOT ERASING SELF-DIAGNOSTIC RESULT AFTER REPAIRING
Is it the first time for maintenance of SRS?YesorNo
Ye s EGo to DIAGNOSTIC PROCEDURE 5 (RS-44). (Further inspection cannot be performed without CONSULT-II.)
No EDiagnosis results (previously stored in the memory) might not be erased after repair. Go to DIAGNOSTIC PRO-
CEDURE 7, step 5 (RS-53).
Trouble Diagnoses: ªAIR BAGº Warning Lamp
Does Not Turn Off
DIAGNOSTIC PROCEDURE 9
1 SEE THE DEPLOYMENT OF AIR BAG MODULE
Is air bag module deployed?
YesorNo
Ye s ERefer to COLLISION DIAGNOSIS (RS-59).
No EGO TO 2.
2 CHECK AIR BAG FUSE
Is SRS ªAir Bagº fuse OK?
NRS093
OK or NG
OK EGO TO 4.
NG EGO TO 3.
3 CHECK AIR BAG FUSE AGAIN
Replace ªAIR BAGº fuse and turn ignition switch ON.
Is ªAIR BAGº fuse blown again?
Ye s ERepair main harness.
No EINSPECTION END
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses without CONSULT-II
(Cont'd)
RS-56
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Trouble Diagnoses: ªAIR BAGº Warning Lamp
Does Not Turn On
DIAGNOSTIC PROCEDURE 10
1 CHECK ªMETERº FUSE
Is meter fuse OK?
NRS092
OK or NG
OK EGO TO 3.
NG EGO TO 2.
2 CHECK ªMETERº FUSE AGAIN
Replace meter fuse and turn ignition switch ON.
Is meter fuse blown again?
Ye s ERepair main harness.
No EINSPECTION END
3 CHECK ªAIR BAGº WARNING LAMP LED
Is ªAIR BAGº warning lamp LED OK?
OK or NG
OK EGO TO 4.
NG EReplace ªAIR BAGº warning lamp LED.
4 CHECK HARNESS CONNECTION BETWEEN DIAGNOSIS SENSOR UNIT AND ªAIR BAGº WARNING LAMP
Disconnect diagnosis sensor unit connector and turn ignition switch ªONº.
IDoes ªAIR BAGº warning lamp turn on?
YesorNo
Ye s EReplace diagnosis sensor unit.
No ECheck the ground circuit of ªAIR BAGº warning lamp.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
RS-58
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Removal and Installation
IWhen removing or installing the seat trim, carefully handle it to keep dirt out and avoid damage.
CAUTION:
I Before removing the front seat, turn the ignition switch off, disconnect both battery cables and wait
at least 3 minutes (models with side air bag).
I Do not drop, tilt, or bump the side air bag module installed in the seat. Always handle it with care.
I Disconnect the side air bag harness connector and heated seat harness connector from under the
seat before removing the seat.
I Disconnect the side air bag harness connector before removing the seatback. Refer to RS-29,
ªFront Side Air Bag Moduleº for details.
FRONT SEAT
BT-34
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Preliminary Check
PRELIMINARY CHECK 1
A/C does not blow cold air.
DOES AIR FLOW FROM VENTS?
Condition
IIgnition switch, A/C switch, and
fan switch are ON.
I Mode lever is in VENT mode
and temperature lever is in full
cold position.
OK
ENG
IS BLOWER MOTOR OPERAT-
ING NORMALLY?
Ye s N o
CHECK
BLOWER
MOTOR
OPERATION.
Go to Diagnos-
tic Procedure
1.
CHECK COMPRESSOR BELT TEN-
SION.
Refer to MA section.
NG OK
FNG
CHECK COMPRESSOR OPERA-
TION.
OK CHECK FOR EVAPORATOR COIL
FREEZE UP.
Remove intake unit. Check if
evaporator freezes.
NG
(Freezes up)
OK
(Does not
freeze up)
Adjust or
replace com-
pressor belt.
CHECK REFRIGERATION CYCLE
PRESSURE WITH RECOVERY/
RECYCLING EQUIPMENT CON-
NECTED.
Refer to Performance Chart,
HA-31.
NG OK CHECK VENTI-
LATOR DUCT
FOR AIR
LEAKS.
CHECK AMOUNT OF
REFRIGERANT.
Check amount of refrigerant using
ACR4 (Refrigerant recovery &
recharging equipment).
OK
NGGo to
Perfor-
mance Test
Diagnoses.
CHECK THERMO CONTROL
AMP. OPERATION.
Refer to Electrical Components
Inspection, HA-62.
Evacuate sys-
tem and
recharge with
refrigerant.CHECK FOR
REFRIGERANT
LEAKS.
Go to Diagnostic Procedures 2.
CHECK AIR CONTROL CABLE
ADJUSTMENT.
Refer to Control Linkage
Adjustment, HA-64.FOK
CHECK EVAPORATOR OUTLET
AIR TEMPERATURE.
Refer to Performance Chart,
HA-31.
NG
CHECK THERMO CONTROL
AMP. OPERATION.
Refer to Electrical Components
Inspection, HA-62.
H
HH
HHH
HHH
HH
H
H
H
TROUBLE DIAGNOSES
HA-38
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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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Diagnostic Procedure 2
SYMPTOM: Magnet clutch does not engage when A/Cswitch and fan switch are ON.
IPerform PRELIMINARY CHECK 1 before referring to the
following flow chart.
CHECK POWER SUPPLY FOR COM-
PRESSOR.
Disconnect compressor harness connec-
tor.
ITurn ignition switch ON and A/C switch
ON.
Do approx. 12 volts exist between com-
pressor harness terminal No. q
1and
body ground?
OK
ENG CHECK A/C RELAY
OPERATION.
Do approx. 12 volts exist
between A/C relay harness
terminal No. q
5and body
ground.
OK NG
Check magnet clutch coil.
OK q
AqB
Replace magnet clutch.
Refer to COMPRESSOR Ð Model DKS-
17CH (ZEXEL make).
Note:
If the result is NG after checking circuit continuity, repair harness or connec-
tor.
YHA415
RHA345I
HHH
H
TROUBLE DIAGNOSES
HA-55
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qAqB
ITurn ignition switch OFF.
Disconnect A/C relay harness connec-
tor.CHECK POWER SUPPLY
FOR A/C RELAY.
Disconnect A/C relay.
Do approx. 12 volts exist
between A/C relay harness
connector terminal No.
q
3and body ground?
NG
OK
Note
Check circuit continuity between A/C
relay harness connector terminal No.
q
5and compressor harness connector
terminal No. q
1.
If NG, check harness connectors.
H
CHECK POWER SUPPLY
CIRCUIT AND 10A FUSE AT
FUSE BLOCK.
(Refer to ªPOWER SUPPLY
ROUTINGº in EL section and
Wiring Diagram.)
I Turn ignition switch ON.
CHECK POWER SUPPLY FOR A/C
RELAY (Coil side).
Do approx. 12 volts exist between A/C
relay harness connector terminal No.
q
2and body ground?
H
ENG CHECK POWER SUPPLY
FOR A/C CONTROL PANEL.
Disconnect A/C control panel
harness connector.
Do approx. 12 volts exist
between A/C control panel
harness connector terminal
No.q
1and body ground?
NG
OKFqC
(Go to next page.)
CHECK POWER SUPPLY
CIRCUIT AND 10A FUSE AT
FUSE BLOCK.
(Refer to ªPOWER SUPPLY
ROUTINGº in EL section and
Wiring Diagram.)
Note:
If the result is NG after checking circuit continuity, repair harness or connec-
tor.
YHA417
YHA418
YHA419
YHA420
HH
H
H
H
H
TROUBLE DIAGNOSES
Diagnostic Procedure 2 (Cont'd)
HA-56
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qC
CHECK A/C RELAY AFTER DISCON-
NECTING IT.
(Refer to Electrical Components
Inspection, HA-62.)
OK
ENGReplace A/C relay.
Reconnect A/C relay.
Note
CHECK COIL SIDE CIRCUIT OF A/C
RELAY.
Do approx. 12 volts exist between
ECM harness connector terminal No.
204(TD27Ti models) or q15(ZD30DDTi
models) and body ground?
OK
ENG ITurn ignition switch OFF.
Check circuit continuity
between A/C relay harness
terminal No. q
1and ECM
harness connector terminal
No.
204(TD27Ti models)
or q
15(ZD30DDTi models).
CHECK VOLTAGE FOR THERMO
CONTROL AMP.
Do more than 8 volts exist between
thermo-control amp. harness connector
terminal No. q
2and body ground?
OK
ENG
ITurn ignition switch OFF.
Check circuit continuity
between thermo-control
amp. harness connector
terminal No. q
2and dual-
pressure switch connector
terminal No. q
2.
OK
q
D
(Go to next page.) CHECK DUAL-PRES-
SURE SWITCH.
(Refer to Electrical Compo-
nents Inspection, HA-62.)
NGOK
q
E
(Go to page HA-59.) Replace dual-pressure
switch.
Note:
If the result is NG after checking circuit continuity, repair harness or connec-
tor.
YHA421
YHA422
YHA423
YHA424
H
H
H
H
HH
HH
TROUBLE DIAGNOSES
Diagnostic Procedure 2 (Cont'd)
HA-57
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qD
CHECK POWER SUPPLY FOR
THERMO-CONTROL AMP.
Disconnect thermo-control amp. connec-
tor.
Do approx. 12 volts exist between thermo-
control amp. harness connector terminal
No.q
1and body ground?
OK
ENG
CHECK POWER SUPPLY
CIRCUIT AND 10A FUSE
AT FUSE BLOCK.
(Refer to ªPOWER SUP-
PLY ROUTINGº in EL sec-
tion and Wiring Diagram.)
ITurn ignition switch OFF.
CHECK BODY GROUND CIRCUIT FOR
THERMO-CONTROL AMP.
Disconnect thermo-control amp. harness
connector.
Ensure A/C switch is in ON position.
Ensure fan switch is in ON position
(1 to 4).
Does continuity exist between thermo
control amp. harness connector terminal
No. q
3and body ground?
OK
ENG
Disconnect fan switch har-
ness connector.
Ensure A/C switch is in ON
position.
OK
Note
Check circuit continuity
between thermo-control
amp. harness connector
terminal No. q
3and fan
switch harness connector
terminal No. q
6.
NG
Replace thermo-control amp.
Check A/C switch (Refer to
Electrical Components
Inspection, HA-61.)
OK
H Repair harness or connec-
tors.Note
CHECK BODY GROUND CIRCUIT FOR
FAN SWITCH.
Does continuity exist between fan switch
harness connector terminal
No. q
1and body ground?
OK
CHECK FAN SWITCH.
(Refer to Electrical Components
Inspection, HA-61.)
NG
Replace fan switch.
Note:
If the result is NG after checking circuit continuity, repair harness or connec-
tor.
YHA406
YHA425
YHA426
YHA427
H
H
H
HH
H
H
H
TROUBLE DIAGNOSES
Diagnostic Procedure 2 (Cont'd)
HA-58
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Diagnostic Procedure 3
SYMPTOM: Intake door does not change.
CHECK OPERATION
Does intake door motor (recirculation sys-
tem) operate, correctly?
NG
EOKIntake door motor (recir-
culation system) is OK.
CHECK POWER SUPPLY A/C CONTROL
PANEL
Disconnect A/C control panel harness con-
nector.
Do approx. 12 volts exist between A/C panel
harness connector terminal q
1and body
ground?
OK
ENG CHECK POWER SUP-
PLY CIRCUIT AND 10A
FUSE.
(Refer to ªPOWER
SUPPLY ROUTINGº in
EL section and Wiring
Diagram).
CHECK POWER SUPPLY FOR INTAKE
DOOR MOTOR
ITurn ignition switch ON.
Check voltage between intake door motor
terminal q
1and ground, a few seconds after
air recirculation switch is switched ON.
Do approx. 12 volts exist?
Check voltage between intake door motor
terminal q
2and ground, a few seconds after
air recirculation switch is switched OFF.
Do approx. 12 volts exist?
OK
ENG Check continuity
between intake door
motor terminal q
1(q2)
and A/C control panel
terminal q
10(q11).
If NG, repair harness or
connector.
OK
Replace A/C control
panel.
CHECK INTAKE DOOR MOTOR
Apply approx. 12 volts between intake door
motor terminals q
1(q2) and q2(q1).
Does intake door motor operate, correctly?
OK
ENG Replace intake door
motor.
CHECK INTAKE DOOR LINKAGE
(Refer to ªControl Linkage Adjustment,
HA-64.)
If OK, intake door is OK.ENGRepair intake door link-
age.
YHA429
YHA430
YHA431
YHA432
H
H
H
H
H
TROUBLE DIAGNOSES
HA-60
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