2005 NISSAN NAVARA Repair Workshop Manual

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Page 2849 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual SC-16
CHARGING SYSTEM
Trouble Diagnosis
EKS00MZD
DIAGNOSIS PROCEDURE
1. Check malfunction symptoms or customers remarks.
2. Perform pre-diagnosis inspection. Refer toSC-16, "
PRE-DIAGNOSIS INSPECTION

Page 2850 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual CHARGING SYSTEM
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3.CHARGE WARNING LAMP INSPECTION
1. Set engine speed at 2,500 rpm.
2. Check if charge warning lamp illuminates.
Does charge warning lamp illuminate?
YES

Page 2851 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual SC-18
CHARGING SYSTEM
3.CONTINUITY INSPECTION
1. Disconnect combination meter connector.
2. Check continuity between combination meter connector terminal 2 and alternator connector terminal 3.
OK or N

Page 2852 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual CHARGING SYSTEM
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3.CONNECTOR INSPECTION
1. Turn ignition switch OFF.
2. Check alternator connector and terminal 4 (alternator side, and harness side) for damage, deforma

Page 2853 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual SC-20
CHARGING SYSTEM
INSPECTION OF INSUFFICIENT ALTERNATOR POWER GENERATION
CAUTION:
Check them using charged battery performed battery inspection.
1.VOLTAGE INSPECTION
1. Increase engine speed to 2,

Page 2854 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual CHARGING SYSTEM
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2.BATTERY VOLTAGE INSPECTION
1. Turn ignition switch OFF.
2. Disconnect alternator connector.
3. Turn ignition switch ON.
4. Check voltage between alter

CHARGING SYSTEM
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2.BATTERY VOLTAGE INSPECTION
1. Turn ignition switch OFF.
2. Disconnect alternator connector.
3. Turn ignition switch ON.
4. Check voltage between alternator connector terminal 4 and
ground.
Is the inspection result 12V or more?
YES >> Replace alternator. (Alternator power generation error)
NO >> GO TO 3.
3.CHECK FUSE
Check if any of the following fuses in the alternator are blown.
lCheck 15A fuse
OK or NG
OK >> Repair the harnesses.
NG >> If fuse is blownout, be sure to eliminate cause of malfunction befer installing new fuse.
DARK CURRENT INSPECTION
Dark Current: Small current while ignition switch is “OFF”.
NOTE:
lIf battery ground cable is disconnected from battery terminal, a large dark current may not be reproduced.
When battery discharge occurs, never disconnect battery terminal while using ammeter.
lDo not connect CONSULT-II CONVERTER to data link connector when measuring dark current. CON-
SULT-II power should be supplied using AC adapter or internal battery.
1. Attach current measurement probe for CONSULT-II to battery
ground cable. Refer toSC-22, "
OPERATION PROCEDURE OF
CURRENT MEASUREMENT PROBE FOR CONSULT-II".
2. Check that all electrical equipment is turned OFF.
3. Remove key. Close and lock doors. Check that room lamp turns
off.
4. Measure dark current. Is it 50mA or less? Refer toSC-22,
"OPERATION PROCEDURE OF CURRENT MEASUREMENT
PROBE FOR CONSULT-II".
NOTE:
Dark current stable time is different due to equipment and use of
the vehicle. If it is not 50mA or less after leaving for 1 minute, measure dark current again after leaving for
30 minutes or more.
If YES, GO TO 7. If NO, GO TO 5.
5. Remove and install fuses one by one. Search for the fuse that greatly changes dark current.
NOTE:
If dark current is greatly reduced when removing the fuse, and even if dark current is not greatly increased
when installing it again, the fuse circuit may be the cause.
6. Check that dark current changes when moving the suspect circuit harness. If dark current changes, check
harness for short. If dark current does not change, electronic unit in the circuit may not be entering the
energy-saving mode when it turns OFF. If it does not enter the energy-saving mode, replace electronic
unit.
7. No malfunction for alternator and electrical equipment. Electric load may be larger than alternator generat-
ing ability. Check the customer's usage.4 - Ground : 12V or more
MKIB1726E
MKIA0070E

Page 2855 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual SC-22
CHARGING SYSTEM
OPERATION PROCEDURE OF CURRENT MEASUREMENT PROBE FOR CONSULT-II
For details, refer to the supplied “CONSULT-II Current Probe Operation Manual”.
1. Turn current probe power su

Page 2856 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual CHARGING SYSTEM
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Removal and InstallationEKS00MZE
REMOVAL
1. Disconnect negative battery cable.
2. Remove intercooler hose and duct
3. Disconnect alternator harness.
4.

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