Infiniti I30 (A33). Manual — part 584
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 (W/R) 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 connector E46 terminal B (B/R) and ground using a digital circuit tester.
SEL967X
OK or NG
OK
©
GO TO 3.
NG
©
Check the following.
I
120A fusible link (letter A, located in fuse and 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 connector E46 terminal B (B/R) and battery positive terminal using a digital tester.
SEL968X
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 (Y/B) 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 (Y/B) and battery positive terminal using a digital 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
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