warning NISSAN TERRANO 2004 Service Manual PDF

Diagnostic Procedure 2 (Warning lamp stays
on when ignition switch is turned ON)
CHECK FUSE.
Check 10A fuse
19. For fuse layout, refer
to POWER SUPPLY ROUTING in EL sec-
tion.
OK
ENG qA(Go to next page.)
CHECK WARNING LAMP.
1. Disconnect ABS actuator and electric
unit connector.
2. Connect suitable wire between ABS actuator and electric unit harness con-
nector
F29terminals q13,q21and
ground.
Warning lamp should not activate.
OK
ENG qB(Go to next page.)
CHECK HARNESS CONNECTOR.
Check ABS actuator and electric unit pin
terminals for damage or the connection of
ABS actuator and electric unit harness
connector. Reconnect ABS actuator and
electric unit harness connector. Then
retest.
NG
EOK Inspection end
CHECK ABS MOTOR GROUND.
1. Turn ignition switch OFF.
2. Disconnect ABS actuator and electric unit connector.
3. Check continuity between ABS actuator and electric unit connector
F29(body
side) terminal q
16and ground.
Continuity should exist.
OK
ENG Check the following.
IHarness connector
F29
IHarness for open or short
between ABS actuator
and electric unit and
ground
If NG, repair harness or
connector.
REPLACE.
Replace ABS actuator and electric unit.
YBR271
NBR345
NBR326
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TROUBLE DIAGNOSES
BR-70
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qA
REPLACE.
Replace fuse.
Does the fuse blow out when ignition
switch is turned ON?
Ye s
ENoInspection end
CHECK ABS ACTUATOR AND ELEC-
TRIC UNIT POWER SUPPLY CIRCUIT
FOR SHORT.
1. Disconnect battery cable and ABS
actuator and electric unit connector
F29.
2. Check continuity between ABS actuator and electric unit connector
F29body
side terminal q
15and ground.
Continuity should not exist.
OK
ENG Check the following.
IHarness connector
F29
IHarness for open or short
between ABS actuator
and electric unit and fuse
If NG, repair harness or
connector.
REPLACE.
Replace ABS actuator and electric unit.
qB
CHECK ABS WARNING LAMP CON-
TROL CIRCUIT.
1. Disconnect combination meter connector LHD:
F118andF119, or RHD:M837and
M838.
2. Check continuity between ABS actuator and electric unit connector
F29(body
side) terminal and combination meter
connector LHD:
F118andF119,or
RHD:
M837andM838.
OK
ENG Check the following.
IHarness connectors
LHD:
F118andF119,or
RHD:
M837andM838
andF29
I Harness for open or
short between ABS
actuator and electric unit
and combination meter
If NG, repair harness or
connectors.
CHECK COMBINATION METER.
Check combination meter. Refer to WARN-
ING LAMPS in EL section.
F29 LHD:F119RHD:M838
LHD:F118RHD:M837
Continu-
ity
Terminal q
13q1ÐYes
Terminal q
21Ðq44Ye s
NBR327
YBR270
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Diagnostic Procedure 2 (Warning lamp stays
on when ignition switch is turned ON) (Cont'd)
BR-71
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Diagnostic Procedure 3 (ABS actuator solenoid
valve and solenoid valve relay)
Malfunction code Nos. 41, 42, 45, 46, 55, 56, 63
CHECK FUSIBLE LINK.
Check 40A. For fusible link layout, refer to
POWER SUPPLY ROUTING in EL section.
OK
ENGqA(Go to next page.)
CHECK FUSE.
Check 10A fuse
19. For fuse layout, refer
to POWER SUPPLY ROUTING in EL sec-
tion.
OK
ENG qB(Go to next page.)
CHECK CONNECTOR.
1. Disconnect ABS actuator and electric unit connector. Check terminals for
damage or loose connection. Then
reconnect connector.
2. Carry out self-diagnosis again. Does warning lamp activate again?
Ye s
ENo Inspection end
CHECK ABS ACTUATOR AND ELECTRIC
UNIT GROUND CIRCUIT.
Refer to ABS ACTUATOR AND ELECTRIC
UNIT GROUND in Ground Circuit Check,
BR-67.
OK
ENGRepair harness and con-
nector.
CHECK SOLENOID VALVE RELAY
POWER SUPPLY CIRCUIT.
1. Disconnect ABS actuator and electric
unit connector.
2. Check voltage between ABS actuator and electric unit connector
F29(body
side) terminal q
18and ground.
Battery voltage should exist.
OK
ENG Check the following.
IHarness connector
F29,
LHD:
F68andM784,or
RHD:
F79andM744
I Harness for open or
short between ABS
actuator and electric unit
and fusible link
If NG, repair harness or
connector.
REPLACE.
Replace ABS actuator and electric unit.
NBR329
NBR330
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BR-72
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Diagnostic Procedure 4 (Wheel sensor or rotor)
Malfunction code No. 21, 22, 25, 26, 31, 32, 35, 36 or 18
INSPECTION START
1. Disconnect connectors from ABS actua-tor and electric unit and wheel sensor
of malfunction code No. Check termi-
nals for damage or loose connections.
Then reconnect connectors.
2. Carry out self-diagnosis again. Does warning lamp activate again?
Ye s
ENo Inspection end
CHECK WHEEL SENSOR ELECTRICAL.
1. Disconnect ABS actuator and electric
unit connector.
2. Check resistance between ABS actua- tor and electric unit connector
F29
(body side) terminals.
Code No. 21 or 22 (Front RH wheel)
Terminals q
5andq4
Code No. 25 or 26 (Front LH wheel)
Terminals q
7andq6
Code No. 31 or 32 (Rear RH wheel)
Terminals q
2andq1
Code No. 35 or 36 (Rear LH wheel)
Terminals q
9andq8
Resistance: Front 0.9 - 1.1 kW
Rear 1.44 - 1.76 kW
NG
EOKqA(Go to next page.)
CHECK WHEEL SENSOR.
Check each sensor for resistance.
Resistance: Front 0.9 - 1.1 kW
Rear 1.44 - 1.76 kW
NG
EOKCheck the following.
IHarness connectors
F29,B57,B58,E15:
,E211:and
F32
IHarness for open or
short between wheel
sensor connectors and
ABS actuator and elec-
tric unit
If NG, repair harness or
connectors.
REPLACE.
Replace wheel sensor.
YBR273
NBR332
YBR274
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TROUBLE DIAGNOSES
BR-74
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Diagnostic Procedure 5 (Motor Relay or motor)
Malfunction code No. 61
CHECK FUSIBLE LINK.
Check 40A. For fusible link layout, refer to
POWER SUPPLY ROUTING in EL section.
OK
ENGqA(Go to next page.)
CHECK CONNECTOR
1. Disconnect ABS actuator and electric unit connector. Check terminals for dam-
age or loose connection. Then recon-
nect connector.
2. Carry out self-diagnosis again. Does warning lamp activate again?
Ye s
ENo Inspection end
CHECK MOTOR RELAY POWER SUP-
PLY CIRCUIT.
1. Disconnect ABS actuator and electric
unit connector.
2. Check voltage between ABS actuator and electric unit connector
F29(body
side) terminal q
17and ground.
Battery voltage should exist.
OK
ENG Check the following.
IHarness connector
F29,
LHD:
F68andM784,or
RHD:
F79andM744
I Harness for open or
short between ABS
actuator and electric unit
and fusible link.
If NG, repair harness or
connector.
CHECK ABS ACTUATOR AND ELECTRIC
UNIT GROUND.
Refer to ABS ACTUATOR AND ELECTRIC
UNIT GROUND in Ground Circuit Check,
BR-67.
OK
ENG Repair harness and termi-
nals.
REPLACE.
Replace ABS actuator and electric unit.
YBR275
NBR335
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TROUBLE DIAGNOSES
BR-76
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Diagnostic Procedure 7 (Low voltage)
Malfunction code No. 57
CHECK CONNECTOR.
1. Disconnect ABS actuator and electricunit connector. Check terminals for
damage or loose connections. Then
reconnect connector.
2. Carry out self-diagnosis again. Does warning lamp activate again?
Ye s
ENo Inspection end
CHECK ABS CONTROL UNIT POWER
SUPPLY CIRCUIT.
1. Disconnect ABS actuator and electric
unit connector.
2. Check voltage between ABS actuator and electric unit connector
F29termi-
nal q
15and ground.
Battery voltage should exist when
ignition switch is turned ON.
OK
ENG qA(See below.)
CHECK ABS CONTROL UNIT GROUND.
Refer to ABS ACTUATOR AND ELEC-
TRIC UNIT GROUND in Ground Circuit
Check, BR-67.
OK
ENG Repair harness and con-
nector.
CHECK HARNESS CONNECTOR.
Check ABS actuator and electric unit pin
terminals for damage or the connection of
ABS actuator and electric unit harness
connector. Reconnect ABS actuator and
electric unit harness connector. Then
retest.ENGReplace
Replace ABS actuator and
electric unit
qA
CHECK FUSE.
Check 10A fuse
19. For fuse layout, refer
to POWER SUPPLY ROUTING in EL sec-
tion.
OK
ENG Replace fuse.
CHECK ABS CONTROL UNIT POWER
SUPPLY CIRCUIT.
Check continuity between fuse and ABS
actuator and electric unit connector
F29
(body side) terminal q15.
OK
ENG
Check the following:
IHarness connector
F29,
M822, LHD:F66and
M787, or RHD:F76:
,F136:,M743:
andM829:
IHarness for open or
short between ABS
actuator and electric unit
and fuse
If NG, repair harness or
connector.
Check battery. Refer to BATTERY in EL
section.
NBR337
NBR338
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BR-78
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Diagnostic Procedure 8 (G sensor)
Malfunction code No. 17
CHECK G SENSOR POWER SUPPLY
CIRCUIT.
Check 10A fuse
19. For fuse layout,
refer to POWER SUPPLY ROUTING in
EL section.
OK
ENG Replace fuse.
CHECK CONNECTOR.
1. Disconnect ABS actuator and electric
unit connector. Check terminals for
damage or loose connection. Then
reconnect connector.
2. Carry out self-diagnosis again. Does warning lamp activate again?
Ye s
ENo Inspection end
CHECK G SENSOR.
Refer to G SENSOR in Electrical Compo-
nents Inspection, BR-84
OK
ENGReplace G sensor.
CHECK G SENSOR POWER SUPPLY
CIRCUIT.
1. Disconnect G sensor connectors.
2. Check voltage between G sensor con- nector terminals q
1(B59),q3(B60)
and ground.
Battery voltage should exist.
OK
ENG Check the following.
IHarness connectors
B59,B60, LHD:B73,
RHD:
B67, LHD:F66,
RHD:
F76:, RHD:
F136:, LHD:M787,
RHD:
M743:, RHD:
M829:, LHD:F45,
RHD:
F80andM822
I Harness for open or
short between G sensor
and ABS actuator and
electric unit
If NG, repair harness or
connectors.
CHECK G SENSOR GROUND.
1. Disconnect ABS actuator and electric unit connector and G sensor connec-
tors.
2. Check continuity between ABS actuator and electric unit connector
F29(body
side) terminals q
20,q10and G sensor
connectors (body side) terminals q
2
(B59),q4(B60).
Continuity should exist.
OK
ENG Check the following.
IHarness connectors
B59,B60, LHD:B73,
RHD:
B67,F29, LHD:
F45and RHD:F80
I Harness for open or
short between G sensor
and ABS actuator and
electric unit
If NG, repair harness or
connectors.
CHECK HARNESS CONNECTOR.
Check ABS actuator and electric unit pin
terminals for damage or the connection of
ABS actuator and electric unit harness
connector. Reconnect ABS actuator and
electric unit harness connector. Then
retest.
YBR276
YBR277
YBR278
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TROUBLE DIAGNOSES
BR-79
http://vnx.su/

Diagnostic Procedure 9 (Control unit)
Malfunctioning code No. 71
CHECK CONNECTOR.
1. Disconnect ABS actuator and electricunit connector.
Check terminals for damage or loose
connections. Then reconnect connector.
2. Carry out self-diagnosis again. Does warning lamp activate again?
Ye s
ENo Inspection end
CHECK ABS ACTUATOR AND ELEC-
TRIC UNIT POWER SUPPLY CIRCUIT.
Check voltage. Refer to
in Diagnostic
Procedure 7, BR-78.
CHECK SELF-DIAGNOSTIC RESULTS.
Does warning lamp indicate code No. 71
again?
No
EYe s Replace ABS actuator and
electric unit.
INSPECTION
Inspect the system according to the code
No.
NBR343H
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TROUBLE DIAGNOSES
BR-80
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Diagnostic Procedure 12 (Unexpected pedal
action)
CHECK BRAKE PEDAL STROKE.
Check brake pedal stroke. Is stroke exces-
sively large?
No
EYe sPerform Preliminary Check.
Refer to BR-66.
CHECK BRAKE PERFORMANCE
Disconnect ABS actuator and electric unit
connector and check whether brake is
effective.
Ye s
ENoPerform Preliminary Check.
Refer to BR-66.
CHECK IF WARNING LAMP ACTIVATES.
Ensure warning lamp remains off while
driving.
OK
ENG
Carry out self-diagnosis.
Refer to BR-60.
CHECK WHEEL SENSOR.
1. Check wheel sensor connector for ter-
minal damage or loose connection.
2. Perform wheel sensor mechanical check.
Refer to Diagnostic Procedure 4,
BR-74.
OK
ENG Repair.
CHECK HARNESS CONNECTOR.
Check ABS actuator and electric unit pin
terminals for damage or the connection of
ABS actuator and electric unit harness
connector.
Reconnect ABS actuator and electric unit
harness connector. Then retest.
CAUTION: Drive at low speed and brake smoothly to prevent
rear wheels locking.
SBR540A
YBR279
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TROUBLE DIAGNOSES
BR-82
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Diagnostic Procedure 13
SYMPTOM: ABS does not work.
Does the ABS warning lamp activate?
No
EYe sCarry out self-diagnosis.
Refer to BR-60.
Go toin Diagnostic Procedure 12,
BR-82.
Note: ABS does not work when vehicle speed is under 10 km/h (6 MPH).
Diagnostic Procedure 14
SYMPTOM: ABS works frequently.
CHECK WHEEL SENSOR.
1. Check wheel sensor connector for ter-
minal damage or loose connections.
2. Perform wheel sensor mechanical check.
Refer to Diagnostic Procedure 4,
BR-74.
OK
ENG Repair.
CHECK FRONT AXLES
Check front axles for excessive loose-
ness. Refer to FA section (ªFront Wheel
Bearingº, ªON-VEHICLE SERVICEº).
OK
ENGRepair.
Go toin Diagnostic Procedure 12,
BR-82.
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BR-83
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