Infiniti QX56 (JA60). Manual — part 185
CHG
PRECAUTIONS
CHG-3
< PRECAUTION >
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5. When the repair work is completed, return the ignition switch to the
″LOCK″ position before connecting
the battery cables. (At this time, the steering lock mechanism will engage.)
6. Perform a self-diagnosis check of all control units using CONSULT-III.
Precaution for Power Generation Variable Voltage Control System
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CAUTION:
For this model, the battery current sensor that is installed to the negative battery cable measures the
charging/discharging current of the battery and performs various engine controls. If an electrical com-
ponent is connected directly to the negative battery terminal, the current flowing through that compo-
nent will not be measured by the battery current sensor. This condition may cause a malfunction of
the engine control system and battery discharge may occur. Do not connect an electrical component
or ground wire directly to the battery terminal.
CHG-4
< PREPARATION >
PREPARATION
PREPARATION
PREPARATION
Special Service Tool
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The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Commercial Service Tool
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Tool number
(Kent-Moore No.)
Tool name
Description
—
(—) Model GR-8
Multitasking Battery Diagnostic Sta-
tion
Tests batteries, starting and charging sys-
tems.
For operating instructions, refer to diagnostic
station instruction manual.
AWIIA1239ZZ
Tool name
Description
Power tool
Loosening bolts and nuts
PBIC0190E
CHG
DIAGNOSIS AND REPAIR WORKFLOW
CHG-5
< BASIC INSPECTION >
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BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
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OVERALL SEQUENCE
AWMIA1142GB
CHG-6
< FUNCTION DIAGNOSIS >
CHARGING SYSTEM
FUNCTION DIAGNOSIS
CHARGING SYSTEM
System Diagram
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System Description
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The generator provides DC voltage to operate the vehicle's electrical system and to keep the battery charged.
The voltage output is controlled by the IC regulator.
Component Description
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ALMIA0207GB
Component part
Description
Generator
Terminal “1”
Refer to
Terminal “2”
Refer to
Terminal “3”
Refer to
Terminal “4”
Used for the power generation voltage variable control system.
Refer to
.
Combination meter (Charge warning lamp)
The IC regulator warning function activates to illuminate the
charge warning lamp if any of the following symptoms occur while
generator is operating:
• Excessive voltage is produced.
• No voltage is produced.
IPDM E/R
Used for the power generation voltage variable control system.
Refer to
.
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