NISSAN PRIMERA 1999 Electronic Repair Manual

Diagnostic Procedure 2 (ABS actuator
solenoid valve and solenoid valve relay)
(Malfunction code Nos. 41, 42, 45, 46, 51, 52, 55, 56,
63 for models with self-diagnosis function)
CHECK FUSIBLE LINK.
Check 40A fusible link
g(petrol
engine), fusible link
h(diesel engine).
For fusible link layout, refer to POWER
SUPPLY ROUTING in EL section.
OK
ENGpA(Go to next page.)
CHECK FUSE.
Check 10A fuse
19. For fuse layout,
refer to POWER SUPPLY ROUTING in
EL section.
OK
ENGpB(Go to next page.)
CHECK CONNECTOR.
1. Disconnect ABS actuator and elec-
tric 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 ELEC-
TRIC UNIT GROUND CIRCUIT.
Refer to ABS ACTUATOR AND ELEC-
TRIC UNIT GROUND in Ground Circuit
Check, BR-75.
OK
ENG
Repair harness and con-
nector.
CHECK SOLENOID VALVE RELAY
POWER SUPPLY CIRCUIT.
1. Disconnect ABS actuator and elec-
tric unit connector.
2. Check voltage between ABS actua-
tor and electric unit connector
E78
(body side) terminalp29and ground.
Battery voltage should exist.
OK
ENG
Check the following.
lHarness connector
E78
lHarness 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.
YBR174 Fusible link
Fuse
ABS actuator
and electric unit
To motor relay
Solenoid
valve
relay
ABS control unit
ABS
actuator and
electric unit
connector
: With petrol engine
: With diesel engine
YBR175
ABS ACTUATOR AND
ELECTRIC UNIT CONNECTOR
H
H
H
H
H
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS
BR-79

pA
REPLACE.
Replace fusible link.
Does the fusible link blow out when
ignition switch is turned ON?
Ye s
ENo
Inspection end
CHECK SOLENOID VALVE RELAY
POWER SUPPLY CIRCUIT.
1. Disconnect battery cable and ABS
actuator and electric unit connector.
2. Check continuity between ABS
actuator and electric unit connector
E78(body side) terminalp29and
ground.
Continuity should not exist.
OK
ENG
Check the following
lHarness connector
E78
lHarness 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.
pB
REPLACE.
Replace fuse.
Does the fuse blow out when ignition
switch is turned ON?
No
EYe s
Check the following.
lHarness connector
E78
lHarness for open or
short between ABS
actuator and electric
unit and fuse
If NG, repair harness or
connector.
END
Inspection end
YBR176
ABS ACTUATOR AND
ELECTRIC UNIT CONNECTORH
H
H
H
H
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS
Diagnostic Procedure 2 (ABS actuator
solenoid valve and solenoid valve relay)
(Cont'd)
BR-80

Diagnostic Procedure 3 (Motor Relay or
motor)
(Malfunction code No. 61 for models with
self-diagnosis function)
CHECK FUSIBLE LINK.
Check 40A fusible link
i(Petrol
engine), fusible link
f(diesel engine).
For fusible link layout, refer to POWER
SUPPLY ROUTING in EL section.
OK
ENG
pA(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 MOTOR RELAY POWER SUP-
PLY CIRCUIT.
1. Disconnect ABS actuator and electric
unit connector.
2. Check voltage between ABS actuator
and electric unit connector
E78(body
side) terminal
p30and ground.
Battery voltage should exist.
OK
ENG
Check the following.
lHarness connector
E78
lHarness for open or
short between ABS
actuator and electric
unit and fusible link.
If NG, repair harness or
connector.
CHECK ABS ACTUATOR AND ELEC-
TRIC UNIT GROUND.
Refer to ABS ACTUATOR AND ELEC-
TRIC UNIT GROUND in Ground Circuit
Check, BR-75.
OK
ENG
Repair harness and termi-
nals.
REPLACE.
Replace ABS actuator and electric unit.
YBR177 Fusible link Fuse
ABS actuator
and electric
unit
Motor
relayTo
solenoid
valve
relay
ABS control unit
ABS
actuator and
electric unit
connector
: With petrol engine
: With diesel engine
YBR178
ABS ACTUATOR AND
ELECTRIC UNIT CONNECTOR
H
H
H
H
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS
BR-81

pA
REPLACE.
Replace fusible link.
Does the fusible link blow out when
ignition switch is turned ON?
OK
ENo
Inspection end
CHECK ABS ACTUATOR MOTOR
POWER SUPPLY CIRCUIT.
1. Disconnect battery cable and ABS
actuator and electric unit connector
E78.
2. Check continuity between ABS
actuator and electric unit connector
E78(body side) terminalp30and
ground.
Continuity should not exist.
OK
ENG
Check the following
lHarness connector
E78
lHarness for open or
short between ABS
actuator and electric
unit and fusible link
If NG, repair harness ro
connector.
CHECK HARNESS CONNECTOR.
Check ABS actuator and electric unit pin
terminals for damage or the connection
of ABS actuator and electric unit har-
ness connector.
Reconnect ABS actuator and electric
unit harness connector. Then retest.
YBR179
ABS ACTUATOR AND
ELECTRIC UNIT AND CONNECTORH
H
H
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS
Diagnostic Procedure 3 (Motor Relay or
motor) (Cont'd)
BR-82

Diagnostic Procedure 4 (Low voltage)
(Malfunction code No. 57 for models with
self-diagnosis function)
CHECK CONNECTOR.
1. Disconnect ABS actuator and electric unit
connector. Check terminals for damage or
loose connections. Then reconnect con-
nector.
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
E78terminalp1and ground.
Battery voltage should exist when ignition
switch is turned ON.
OK
ENGpA(See below.)
CHECK ABS CONTROL UNIT GROUND
Refer to ABS ACTUATOR AND ELECTRIC
UNIT GROUND in Ground Circuit Check,
BR-75.
OK
ENG
Repair harness and connec-
tor.
CHECK HARNESS CONNECTOR.
Check ABS actuator and electric unit pin
terminals for damage or the connection of
ABS actuator and electric unit harness con-
nector. Reconnect ABS actuator and electric
unit harness connector. Then retest.
pA
CHECK FUSE.
Check 10A fuse19. 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
E78
(body side) terminalp1.
OK
ENG
Check the following:
lHarness connectorE78
lHarness 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.
YBR180 ABS control unit To solenoid valve relay ABS actuator and electric unit
.Fuse
YBR181
ABS ACTUATOR AND
ELECTRIC UNIT CONNECTOR
H
H
H
H
H
H
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS
BR-83

Diagnostic Procedure 5 (Control unit)
(Malfunctioning code No. 71 for models with
self-diagnosis function)
CHECK CONNECTOR.
1. Disconnect ABS actuator and electric unit
connector.
Check terminals for damage or loose con-
nections. Then reconnect connector.
2. Carry out self-diagnosis again.
Does warning lamp activate again?
Ye s
ENo
Inspection end
ABS CONTROL UNIT POWER SUPPLY
CHECK
Check voltage. Refer to
in Diagnostic
Procedure 4, BR-83.
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.
YBR182 ABS control unit ABS actuator and electric unit
.Fuse
H
H
H
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS
BR-84

Diagnostic Procedure 6 (ABS works
frequently)
CHECK WHEEL SENSOR.
1. Check wheel sensor connector for termi-
nal damage or loose connections.
2. Perform wheel sensor mechanical check.
Refer to Diagnostic Procedure 1, BR-77.
OK
ENG
Perform Preliminary check.
Refer to BR-59.
CHECK FRONT AXLES
Check front axles for excessive looseness.
Refer to FA and RA section (ªFront/Rear
Wheel Bearingº, ªON-VEHICLE SERVICEº).
OK
ENG
Repair.
Go toin Diagnostic Procedure 8,
BR-86.
H
H
TROUBLE DIAGNOSES FOR SYMPTOMS
BR-85

Diagnostic Procedure 7 (Unexpected pedal
action)
CHECK BRAKE PEDAL STROKE.
Check brake pedal stroke. Is stroke
excessively large?
No
EYe s
Perform Preliminary
Check, refer to BR-59.
CHECK BRAKE PERFORMANCE
Disconnect ABS actuator and electric
unit connector and check whether brake
is effective.
Ye s
ENo
Perform Preliminary
Check, refer to BR-59.
CHECK WARNING LAMP ACTIVATE.
Ensure warning lamp remains off while
driving.
OK
ENG
Carry out self-diagnosis.
Refer to BR-67.
CHECK WHEEL SENSOR.
1. Check wheel sensor connector for
terminal damage or loose connec-
tion.
2. Perform wheel sensor mechanical
check.
Refer to Diagnostic Procedure 1,
BR-77.
OK
ENG
Repair.
CHECK HARNESS CONNECTOR.
Check ABS actuator and electric unit
pin terminals fir damage or the connec-
tion of ABS actuator and electric unit
harness connector.
Reconnect ABS actuator and electric
unit harness connector. Then retest.
Diagnostic Procedure 8 (Long stopping
distance)
CHECK ABS PERFORMANCE
Disconnect ABS actuator and electric
unit connector and check whether stop-
ping distance is still long.
Ye s
ENo
Go toin Diagnostic
Procedure 7, BR-86.
Perform Preliminary Check and air
bleeding.
Note: Stopping distance may be larger than vehicles without
ABS when road condition is slippery.
SBR540A
NBR284 ABS warning light
H
H
H
H
H
TROUBLE DIAGNOSES FOR SYMPTOMS
BR-86

Diagnostic Procedure 9 (ABS does not
work.)
CHECK WARNING LAMP ACTIVATE.
Does the ABS warning lamp activate?
No
EYe s
Carry out self-diagnosis.
Refer to BR-67.
Go toin Diagnostic Procedure 7,
BR-86.
Note: ABS does not work when vehicle speed is under 10
km/h (6 MPH).
Diagnostic Procedure 10 (Pedal vibration and
noise)
INSPECTION START
1. Apply brake.
2. Start engine.
3. Does the symptom appear only
when engine is started?
No
EYe s
Carry out self-diagnosis.
Refer to BR-67.
CHECK IF SYMPTOM APPEARS.
Does the symptom appear when elec-
trical equipment switches (such as
headlamp) are operated?
Ye s
ENo
Go toin Diagnostic
Procedure 7, BR-86.
CHECK WHEEL SENSOR.
Check wheel sensor shield ground. For
location of shield ground, refer to wiring
diagram and ªHARNESS LAYOUTº in
EL section.
OK
ENG
Repair wheel sensor.
CHECK HARNESS CONNECTOR.
Check ABS actuator and electric unit
pin terminals for damage or the con-
nection of ABS actuator and electric
unit harness connector.
Reconnect ABS actuator and electric
unit harness connector. Then retest.
Note: ABS may operate and cause vibration under any of
the following conditions.
SAT797A Brake pedal
H
H
H
H
TROUBLE DIAGNOSES FOR SYMPTOMS
BR-87

lApplying brake gradually when shifting or operating clutch.
lLow friction (slippery) road.
lHigh speed concerning.
lDriving over bumps and pot holes.
lEngine speed is over 5,000 rpm with vehicle stopped.
Diagnostic Procedure 11 (ABS Warning lamp
does not come on when ignition switch is
turned ON)
CHECK FUSE.
Check 10A fuse12. For fuse layout,
refer to POWER SUPPLY ROUTING in
EL section.
OK
ENG
Replace fuse.
CHECK ABS CONTROL UNIT
POWER SUPPLY CIRCUIT.
1. Install 10A fuse.
2. Disconnect ABS actuator and elec-
tric unit connector.
3. Check voltage between control unit
connector terminal 21, 22 and
ground after turning ignition switch
ªONº.
Ye s
ENo
pA(Go to next page.)
pB(Go to next page.)
NBR415
.Fuse
Combination meter
ABS
warning
lamp
CVT models
M/T modelsABS control unit ABS actuator and electric unit
NBR416
ABS ACTUATOR AND
ELECTRIC UNIT CONNECTOR
CVT models
M/T models
H
H
TROUBLE DIAGNOSES FOR SYMPTOMS
Diagnostic Procedure 10 (Pedal vibration
and noise) (Cont'd)
BR-88