Nissan Silvia. Manual — part 199

DIAGNOSTIC PROCEDURE 3

=NMEL0055S06

1

CHECK IGNITION ON SIGNAL

1. Disconnect combination meter harness connector.
2. Check voltage between combination meter harness connector M18 terminal 12 (G/Y) and ground.

SEL216Y

OK or NG

OK

©

GO TO 2.

NG

©

Check the following.

I

10A fuse [No. 11, located in fuse block (J/B)]

I

Harness for open or short between combination meter and fuse

2

CHECK DOOR SWITCH INPUT SIGNAL

1. Connect combination meter harness connector.
2. Check voltage between combination meter harness connector M19 terminal 24 (BR/W) and ground.

SEL232Y

OK or NG

OK

©

Driver side door switch is OK.

NG

©

GO TO 3.

GI

MA

EM

LC

EC

FE

CL

MT

AT

PD

AX

SU

BR

ST

RS

BT

HA

SC

IDX

WARNING BUZZER

Trouble Diagnoses (Cont’d)

EL-85

3

CHECK DRIVER SIDE DOOR SWITCH

1. Disconnect door switch harness connector.
2. Check continuity between door switch harness connector B14 terminals 2 and 3, and terminal and ground.

SEL233Y

OK or NG

OK

©

Check the following.

I

Driver side door switch ground circuit and condition

I

Harness for open or short between combination meter and driver side door switch

NG

©

Replace driver side door switch.

WARNING BUZZER

Trouble Diagnoses (Cont’d)

EL-86

System Description

NMEL0057

WIPER OPERATION

NMEL0057S01

The wiper switch is controlled by a lever built into the combination switch.
There are three wiper switch positions:

I

LO speed

I

HI speed

I

INT (Intermittent)

With the ignition switch in the ON or START position, power is supplied

I

through 20A fuse [No. 6, located in the fuse block (J/B)]

I

to wiper motor terminal 4.

Low and High Speed Wiper Operation

NMEL0057S0101

Ground is supplied to wiper switch terminal 17 through body grounds E43 and E57.
When the wiper switch is placed in the LO position, ground is supplied

I

through terminal 14 of the wiper switch

I

to wiper motor terminal 2.

With power and ground supplied, the wiper motor operates at low speed.
When the wiper switch is placed in the HI position, ground is supplied

I

through terminal 16 of the wiper switch

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to wiper motor terminal 3.

With power and ground supplied, the wiper motor operates at high speed.

Auto Stop Operation

NMEL0057S0102

With wiper switch turned OFF, wiper motor will continue to operate until wiper arms reach windshield base.
When wiper arms are not located at base of windshield with wiper switch OFF, ground is provided

I

from terminal 14 of the wiper switch

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to wiper motor terminal 2, in order to continue wiper motor operation at low speed.

Ground is also supplied

I

through terminal 13 of the wiper switch

I

to wiper motor terminal 5

I

through terminal 6 of the wiper motor, and

I

through body grounds M67 and M1.

When wiper arms reach base of windshield, wiper motor terminals 4 and 5 are connected instead of terminals
5 and 6. Wiper motor will then stop wiper arms at the STOP position.

Intermittent Operation

NMEL0057S0103

The wiper motor operates the wiper arms one time at low speed at a set interval of approximately 2 to 13
seconds. This feature is controlled by the wiper amplifier (INT SW) combined with wiper switch.
When the wiper switch is placed in the INT position, ground is supplied to wiper amplifier.
The desired interval time is input to wiper amplifier (INT VR) from wiper volume switch combined with wiper
switch.
Then intermittent ground is supplied

I

to wiper motor terminal 2

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from terminal 14 of wiper switch

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through wiper amplifier (OUTPUT).

The wiper motor operates at low speed at the desired interval.

WASHER OPERATION

NMEL0057S02

With the ignition switch in the ON or START position, power is supplied

I

through 20A fuse [No. 6, located in the fuse block (J/B)]

I

to washer motor terminal 1.

When the lever is pulled to the WASH position, ground is supplied

I

to washer motor terminal 2

I

from terminal 18 of the wiper switch

I

through terminal 17 of the wiper switch, and

GI

MA

EM

LC

EC

FE

CL

MT

AT

PD

AX

SU

BR

ST

RS

BT

HA

SC

IDX

FRONT WIPER AND WASHER

System Description

EL-87

I

through body grounds E43 and E57.

With power and ground supplied, the washer motor operates.
When the lever is pulled to the WASH position for one second or more, the wiper motor operates at low speed
for approximately 3 seconds to clean windshield. This feature is controlled by the wiper amplifier in the same
manner as the intermittent operation.

FRONT WIPER AND WASHER

System Description (Cont’d)

EL-88