2002 NISSAN TERRANO warning

ACTIVE TEST PROCEDURE
IWhen conducting Active test, vehicle must be stationary.
IWhen ABS warning lamp stays on, never conduct Active test.
1) Turn ignition switch to the ªLOCKº position.
2) Connect CONSULT-II to Data Link Connector.
3) Start engine.
1) Touch ªSTARTº on CONSULT-II screen.
2) Touch ªABSº.
3) Touch ªACTIVE TESTº.
1) Select active test item by touching screen.
2) Touch ªSTARTº.
Carry out the active test by touching screen key.
C2NCS01
C2SSE01
C2SDM01
C2STI01
C2FRS01
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TROUBLE DIAGNOSES
CONSULT-II Inspection Procedure (Cont'd)
BR-63

Preliminary Check
Check brake fluid level in reservoir
tank.
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Low fluid level may indicate brake pad
wear or leakage from brake line.
Check brake line for leakage.
OKENG
Repair.
F
Check brake booster for operation and air
tightness. Refer to BR-14.
OK
ENG
Replace.
F
Check brake pads, rotor and drums.
OKENG
Replace.
Check brake fluid level in reservoir tank.
OKENG
Fill up brake fluid.
Check warning lamp(s) or warning sound
activation.
When ignition switch is turned on, warning
lamp(s) turn(s) on.
OK
ENG
Check fuse, warning lamp
bulb and warning lamp cir-
cuit.
Check warning lamp(s) for deactivation
after engine is started.
OK
ENG
Go to Self-diagnosis,
BR-59.
Drive vehicle at speeds over 30 km/h (19
MPH) for at least one minute.
Ensure warning lamp(s) remain(s) off
while driving.
OK
ENG
Go to Self-diagnosis,
BR-59.
END
SBR451D
SBR389C
SBR058C
SBR059C
YBR266
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TROUBLE DIAGNOSES
BR-65

Diagnostic Procedure 1 (Not self-diagnostic
item)
Warning lamp does not come on when ignition switch is
turned ON.
CHECK FUSE
Check 10A fuse
12. For fuse layout, refer
to POWER SUPPLY ROUTING EL sec-
tion.
OK
ENG
Replace fuse.
CHECK ABS (and BRAKE) WARNING
LAMP(S) ACTIVATE
Disconnect ABS actuator and electric unit
connector.
Does the warning lamp(s) activate?
No
EYe s
qA(Go to next page.)
CHECK HARNESS FOR SHORT.
1. Disconnect ABS connector and electric
unit connector.
2. Check voltage between ABS actuator
and electric unit connector
F29(body
side) terminalsq
21,q13and ground.
Battery voltage should not exist.
OK
ENG
Repair harness or connec-
tor.
Check voltage between combination con-
nector LHD:
F118, RHD:M837terminalq28
and ground.
Battery Voltage should exist.
OK
ENG
Replace harness or con-
nector.
CHECK WARNING LAMP(S)
1. Turn ignition switch to ªOFFº position.
2. Check ABS (and Brake) warning
lamp(s).
OK
ENG
Replace bulb(s).
qA
YBR267
YBR268
NBR322
YBR269
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TROUBLE DIAGNOSES
BR-67

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
F29terminalsq13,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) terminalq
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-69

qA
REPLACE.
Replace fuse.
Does the fuse blow out when ignition
switch is turned ON?
Ye s
ENo
Inspection 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 terminalq
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
IHarness 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.
F29LHD:F119RHD:M838
LHD:F118RHD:M837
Continu-
ity
Terminalq
13q1ÐYes
Terminalq
21Ðq44Ye s
NBR327
YBR270
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TROUBLE DIAGNOSES
Diagnostic Procedure 2 (Warning lamp stays
on when ignition switch is turned ON) (Cont'd)
BR-70

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
ENG
qA(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-66.
OK
ENG
Repair 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) terminalq
18and ground.
Battery voltage should exist.
OK
ENG
Check the following.
IHarness connector
F29,
LHD:
F68andM784,or
RHD:
F79andM744
IHarness 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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TROUBLE DIAGNOSES
BR-71

Diagnostic Procedure 4 (Wheel sensor or rotor)
Malfunction code No. 21, 22, 25, 26, 31, 32, 35, 36 or 18
INSPECTION STARTS
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)
Terminalsq
5andq4
Code No. 25 or 26 (Front LH wheel)
Terminalsq
7andq6
Code No. 31 or 32 (Rear RH wheel)
Terminalsq
2andq1
Code No. 35 or 36 (Rear LH wheel)
Terminalsq
9andq8
Resistance: Front 0.9 - 1.1 kW
Rear 1.44 - 1.76 kW
NG
EOK
qA(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
EOK
Check 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-73

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
ENG
qA(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) terminalq
17and ground.
Battery voltage should exist.
OK
ENG
Check the following.
IHarness connector
F29,
LHD:
F68andM784,or
RHD:
F79andM744
IHarness 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-66.
OK
ENG
Repair harness and termi-
nals.
REPLACE.
Replace ABS actuator and electric unit.
YBR275
NBR335
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TROUBLE DIAGNOSES
BR-75