1995 NISSAN ALMERA N15 ECU

TROUBLEDIAGNOSES
Diagnostic Procedure8
CONTROL UNIT
(Malfunction codeNo.71)

Carry outself-diagnosis aftererasing
self-diagnostic results,BR-56.
Does warning lampindicate codeNo.
71 again?

No

Inspect thesystem according tothe
code No. Yes
Replace controlunit.

Brake pedal Diagnostic
Procedure9
SYMPTOM: Pedalvibration andnoise
No

Does thesymptom appearwhenelectri-

SAT797A
calequipment switches(suchashead-
lamp) areoperated?
1.
Apply brake.
2. Start engine.
3. Does thesymptom appearonlywhen
engine isstarted?

No

Yes
Check wheelsensor shieldgrou.nd
secured withcontrol unitmounting bolt.
Refer toBR-41. Yes
Carryoutself-diagnosis.
Refer toBR-53 (Europe)
or BR-56 (Except
Europe).
Go to
Ii1
inDiagnostic
Procedure 11,BR-83.

OK

Check control unitpinterminals for
damage orthe connection ofcontrol
unit harness connector.
Reconnect controlunitharness connec-
tor. Then retest.

Note: ABSmayoperate andcause vibration underanyofthe
following conditions.
• Applying brakegradually whenshifting oroperating clutch.
• Low friction (slippery) road.
• High speed cornering.
• Driving overbumps andpotholes.
• Engine speedisover 5,000 rpmwith vehicle stopped.
BR-82

Brush/
Brush spring

SEL015Z STARTING
SYSTEM
Brush Check (Conl'd)
BRUSH SPRING PRESSURE

Check brushspring pressure withbrush spring detached from
brush.

Spring pressure (withnewbrush):
Refer toSOS (EL-50).

e Not within thespecified values...Replace.

Type 1
Type 2
Type 3
SEL016ZBRUSH
HOLDER

1. Perform insulation testbetween brushholder (positive side)
and itsbase (negative side).

e.
Continuity exists....Replace.
2. Check brushtosee ifitmoves smoothly.
e Ifbrush holder isbent, replace it;ifsliding surface isdirty,
clean.

Type 1
Type 2
SEL018ZYoke
Check

Magnet issecured toyoke bybonding agent.Checkmagnet to
see that itis secured toyoke andforany cracks. Replace mal-
functioning partsasan assembly.
Holder maymove slightly asitis only inserted andnotbonded.

CAUTION: Do not clamp yokeinavice orstrike itwith ahammer .
EL-47
•

WARNINGLAMPSANDBUZZER
Warning Lamps/Schematic

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NATS
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NATSIMMU
ABS ABS
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UNIT

OIL OILPRESSURE SWITCH
FUEL
FUELTANKGAUGE UNIT
WASHER
WASHERFLUIDLEVELSWITCH
DOOR
FRONTDOORSWITCH

(Driver's side)

FRONT DOORSWITCH

(Passenger side)

REAR ODOR SWITCH LH
ALTERNATOR PARKING
BRAKESWITCH
FUEL FILTER SWITCH

=
BRAKE
FLUIDLEVEL SWITCH
REAR
ODORSWITCH RH

=

WARNING
BUZZER
UNIT

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MODULE)
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MALFUNCTION

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INDICATOR
AIRBAG
AIRBAG
DIAGNOSIS
SENSOR
UNIT

HEL082
EL-138

WARNINGLAMPSANDBUZZER
Warning Lamps/Wiring Diagram-WARN -
LHD MODELS WITHTACHOMETER

EL-WARN-01
Gasoline engine
Gasoline engine

for Europe

Diesel engine

@:

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@:

FUSE
Referto
10A BLOCK EL-POWER.

rn
(JIB)

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IGNITION
SWITCH
ON orSTART
COMBI-

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MALFUNCTION METER
INDICATOR GLOW
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INO LAMP NATS
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LAMPUNIT
(Refer to
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(Referto
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EC-GLOW.)

(8111)

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tolast page •
(Foldout page).

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EL-139

WARNINGLAMPSANDBUZZER
Warning Lamps/Wiring Diagram-WARN -
(Conl'd)
RHD MODELS WITHTACHOMETER

•

Refer
tolast page
(Foldout page).

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UNIT

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~: Gasoline engine
for Europe
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INDICATOR
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SECURITY ORIL OR
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EL-NATS.) CONTROLCONTROL
UNIT

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MODULE)
MODULE)(Refer
to
(Refer to (Refer
to BR-ABS.)
EC-MIL.) EC-GLOW.)

(8111)

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HEL075
EL-143

WARNINGLAMPSANDBUZZER
Warning Lamps/Wiring Diagram-WARN -
(Cont'd)
WITHOUT TACHOMETER

EL-WARN-09

FUELTANK
GAUGE UNIT
LOW (818)

HIGH
r.n
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LOW PRESSURE
SWITCH

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FUSE
Referto
8LOCK EL-POWER.

(J/8)

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MALFUNCTION INDICATOR

~

ORIL

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ORIL
Illii'n\

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ORIL
ORIL

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24
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RECM (ECCS
- CONTROL
MODULE) (Refer to
EC-MIL.)

ill)

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NATS
SECULITY
INDICATOR

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OR

OR

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INO LAMP NATSIMMU
OUTPUT (Referto
EL-NATS.)

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~-------------------------------~
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tolast page •
(Foldout page).

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HEL079
EL-147