Infiniti I30 (A33). Manual — part 580
DIAGNOSTIC RESULT ITEM CHART
NHSC0018S01
Diagnostic item
Service procedure
GOOD BATTERY
Battery is OK, go to “Trouble Diagnoses”, “STARTING SYSTEM”. Refer to SC-12.
REPLACE BATTERY
Replace battery.
Before replacing battery, clean the battery cable clamps and battery posts. Perform bat-
tery test again with Battery/Starting/Charging system tester. If second test result is
“Replace Battery”, then do so. Perform battery test again to confirm repair.
BAD CELL-REPLACE
Replace the battery. Perform battery test again with Battery/Starting/Charging system
tester to confirm repair.
GOOD-RECHARGE
Perform the slow battery charging procedure. (Initial rate of charge is 10A for 12 hours.)
Perform battery test again with Battery/Starting/Charging system tester.
CHARGE & RETEST
Perform the slow battery charging. (Initial rate of charge is 10A for 12 hours.)
Perform battery test again with Battery/Starting/Charging system tester to confirm repair.
NOTE:
If the tester asks the user “BEFORE CHARGE/AFTER CHARGE”, select “AFTER
CHARGE”.
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
EL
IDX
BATTERY
Trouble Diagnoses with Battery/Starting/Charging System Tester (Cont’d)
SC-9
System Description
NHSC0004
Power is supplied at all times
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through 40A fusible link (letter C, located in the fuse and fusible link box)
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to ignition switch terminal 1.
With the ignition switch in the ON or START position, power is supplied
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through 15A fuse [No. 20, located in the fuse block (J/B)]
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to park/neutral position relay terminal 1.
Also, with the ignition switch in the START position, power is supplied
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from ignition switch terminal 5
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to park/neutral position relay terminal 6.
Ground is supplied, with the selector lever in the P or N position
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to park/neutral position relay terminal 2
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through park/neutral position switch.
The park/neutral position relay is energized and power is supplied
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from ignition switch terminal 5
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through park/neutral position relay terminals 6 and 7
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to terminal 2 of the starter motor windings.
The starter motor plunger closes and provides a closed circuit between the battery and the starter motor. The
starter motor is grounded to the cylinder block. With power and ground supplied, the starter motor operates.
STARTING SYSTEM
System Description
SC-10
Wiring Diagram — START —
NHSC0005
MEL393K
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
EL
IDX
STARTING SYSTEM
Wiring Diagram — START —
SC-11
Trouble Diagnoses with
Battery/Starting/Charging System Tester
NHSC0019
NOTE:
To ensure a complete and thorough diagnosis, the battery, starter
and alternator test segments must be done as a set from start to
finish.
SEL408X
1.
Turn off all loads on the vehicle electrical system.
2.
Perform battery test with Battery/Starting/Charging system
tester. Refer to SC-7.
3.
Press “ENTER” to begin the starting system test.
SEL409X
4.
Start the engine.
SEL410X
5.
Diagnosis result is displayed on the tester. Refer to “DIAG-
NOSTIC RESULT ITEM CHART”, SC-13.
NOTE:
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If the starter performs normally but the engine does not start,
perform engine diagnosis.
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For intermittent “NO CRANK” or “NO STARTER OPERATION”
incidents, go to DIAGNOSTIC PROCEDURE 2.
STARTING SYSTEM
Trouble Diagnoses with Battery/Starting/Charging System Tester
SC-12
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