Infiniti I35 (A33). Manual - part 591

WORK FLOW

NHSC0020S02

SEL423X

GI

MA

EM

LC

EC

FE

AT

AX

SU

BR

ST

RS

BT

HA

EL

IDX

CHARGING SYSTEM

Trouble Diagnoses with Battery/Starting/Charging System Tester (Cont’d)

SC-25

DIAGNOSTIC PROCEDURE 1

NHSC0020S03

Check “L” Terminal Circuit

NHSC0020S0301

1

CHECK “L” TERMINAL CONNECTION

Check to see if “L” terminal is clean and tight.

OK or NG

OK

©

GO TO 2.

NG

©

Repair “L” terminal connection. Confirm repair by performing complete Battery/Starting/
Charging system test.

2

CHECK “L” TERMINAL CIRCUIT

1. Disconnect alternator connector.
2. Apply ground to alternator connector A2 terminal 2 (BR) with the ignition switch in the ON position.

SEL966X

OK or NG

OK

©

Replace the alternator. Confirm repair by performing complete Battery/Starting/Charging
system test.

NG

©

Check the following.

I

10A fuse [No. 30, located in fuse block (J/B)]

I

CHARGE lamp

I

Harness for open or short between combination meter and fuse

I

Harness for open or short between combination meter and alternator

CHARGING SYSTEM

Trouble Diagnoses with Battery/Starting/Charging System Tester (Cont’d)

SC-26

DIAGNOSTIC PROCEDURE 2

=NHSC0020S04

Check “B” Terminal Circuit

NHSC0020S0401

1

CHECK “B” TERMINAL CONNECTION

Check to see if “B” terminal is clean and tight.

OK or NG

OK

©

GO TO 2. Confirm repair by performing complete Battery/Starting/Charging system test.

NG

©

Repair “B” terminal connection.

2

CHECK ALTERNATOR “B” TERMINAL CIRCUIT

Check voltage between alternator B terminal E46 terminal 1 (B/R) and ground using a digital circuit tester.

SEL967XA

OK or NG

OK

©

GO TO 3.

NG

©

Check the following.

I

120A fusible link (letter A, located in fusible link box)

I

Harness for open or short between alternator and fusible link

3

CHECK “B” TERMINAL CONNECTION QUALITY (VOLTAGE DROP TEST)

Check voltage between alternator B terminal E46 terminal 1 (B/R) and battery positive terminal using a digital circuit tester.

SEL968XA

OK or NG

OK

©

Replace the alternator. Confirm repair by performing complete Battery/Starting/Charging
system test.

NG

©

Check harness between the battery and the alternator for poor continuity.

GI

MA

EM

LC

EC

FE

AT

AX

SU

BR

ST

RS

BT

HA

EL

IDX

CHARGING SYSTEM

Trouble Diagnoses with Battery/Starting/Charging System Tester (Cont’d)

SC-27

DIAGNOSTIC PROCEDURE 3

=NHSC0020S05

Check “S” Terminal Circuit

NHSC0020S0501

1

CHECK “S” TERMINAL CONNECTION

Check to see if “S” terminal is clean and tight.

OK or NG

OK

©

GO TO 2.

NG

©

Repair “S” terminal connection. Confirm repair by performing complete Battery/Starting/
Charging system test.

2

CHECK ALTERNATOR “S” TERMINAL CIRCUIT

Check voltage between alternator connector A2 terminal 3 (B/R) and ground using a digital circuit tester.

SEL969X

OK or NG

OK

©

GO TO 3.

NG

©

Check the following.

I

10A fuse (No. 70, located in fuse and fusible link box)

I

Harness for open or short between alternator and fuse

3

CHECK “S” TERMINAL CONNECTION QUALITY (VOLTAGE DROP TEST)

Check voltage between alternator connector A2 terminal 3 (B/R) and battery positive terminal using a digital circuit tester.

SEL970X

OK or NG

OK

©

Replace the alternator. Confirm repair by performing complete Battery/Starting/Charging
system test.

NG

©

Check harness between the battery and the alternator for poor continuity.

MALFUNCTION INDICATOR

NHSC0020S06

The

IC

regulator

warning

function

activates

to

illuminate

“CHARGE” warning lamp, if any of the following symptoms occur
while alternator is operating:

I

Excessive voltage is produced.

I

No voltage is produced.

CHARGING SYSTEM

Trouble Diagnoses with Battery/Starting/Charging System Tester (Cont’d)

SC-28