Nissan Cube. Manual — part 138

CHG-18

< DTC/CIRCUIT DIAGNOSIS >

S TERMINAL CIRCUIT

S TERMINAL CIRCUIT

Description

INFOID:0000000009945406

The output voltage of the alternator is controlled by the IC voltage regulator at the “S” terminal detecting the
input voltage.
The “S” terminal circuit detects the battery voltage to adjust the alternator output voltage with the IC voltage
regulator.

Diagnosis Procedure

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1.

CHECK “S” TERMINAL CONNECTION

1.

Turn ignition switch OFF.

2.

Check if “S” terminal is clean and tight.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair “S” terminal connection. Confirm repair by performing complete Charging system test

using EXP-800 NI or GR8-1200 NI (if available). Refer to the applicable Instruction Manual for
proper testing procedures.

2.

CHECK “S” TERMINAL CIRCUIT

Check voltage between alternator harness connector and ground.

Is the inspection result normal?

YES

>> Refer to

CHG-3, "Work Flow (With EXP-800 NI or GR8-1200 NI)"

or

CHG-7, "Work Flow (Without

EXP-800 NI or GR8-1200 NI)"

.

NO

>> Check harness for open between alternator and fuse.

Terminals

Voltage (Approx.)

(+)

(–)

Alternator harness connector

Terminal

F15

4

Ground

Battery voltage

CHG

CHARGING SYSTEM

CHG-19

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

CHARGING SYSTEM

Wiring Diagram - CHARGING SYSTEM -

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JCMWM4094GB

CHG-20

< DTC/CIRCUIT DIAGNOSIS >

CHARGING SYSTEM

JRMWE7841GB

CHG

CHARGING SYSTEM

CHG-21

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

JRMWE7842GB