Mazda 6. Manual — part 180
CHARGING SYSTEM
G–3
G
BATTERY REMOVAL/INSTALLATION
A6E471018520W01
1. Remove in the order indicated in the table.
2. Install in the reverse order of removal.
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CHARGING SYSTEM
1
Negative battery cable
2
Battery cable
3
Battery clamp
4
Battery
5
Battery tray
A6E4710W002
G–4
CHARGING SYSTEM
BATTERY INSPECTION
A6E471018520W02
Battery
1. Inspect the battery in the following procedure.
Test load chart
Battery positive voltage with load
Back-up Current
1. Verify that the engine switch is at OFF and that the key has been removed.
2. Disconnect the negative battery cable.
3. Measure the back-up current between the negative battery terminal and the negative battery cable.
• If the current exceeds the maximum, remove the fuses in the main fuse block and the fuse block one by
one while measuring the back-up current.
— Inspect and repair harnesses and connectors of the fuse at which the current decreases.
Back-up current
20 mA max.
Caution
• Operating electrical loads while measuring the back-up current can damage the circuit tester.
End Of Sie
Step
Inspection
Result
Action
1
Measure open circuit
voltage of battery.
More than
12.4 V
Go to
Step 3.
Less than
12.4 V
Go to
next step.
2
Quick charge for 30 min.
and recheck voltage.
More than
12.4 V
Go to
next step.
Less than
12.4 V
Replace
battery.
3
Apply load current (see load
test chart) to battery using a
battery load tester and
record battery voltage after
15 s. Is voltage more than
specification?
Yes
Battery is
okay.
No
Replace
battery.
Battery
Load (A)
46B24DLS
135
50D20L
150
75D26L
195
80D26L
195
Approximate battery
temperature
Min. voltage (V)
21
°C {70 °F}
9.6
16
°C {61 °F}
9.5
10
°C {50 °F}
9.4
4
°C {39 °F}
9.3
–1
°C {30 °F}
9.1
–7
°C {19 °F}
8.9
–12
°C {10 °F}
8.7
–18
°C {0 °F}
8.5
CHARGING SYSTEM
G–5
G
BATTERY RECHARGING
A6E471018520W03
Warning
• Keep any flammable away from the battery, otherwise evaporated gas of the battery fluid may
catch fire, and cause serious injury or death.
Caution
• When removing the battery, disconnect the negative battery cable first and install it last to prevent
damage to electrical components or the battery.
1. Place a battery in a pan of water to prevent it from overheating.
2. The water level should come up about halfway on the battery.
3. Remove the battery plugs while charging the battery.
4. Keep water off the top of the battery.
Caution
• To prevent damage to electrical components or the battery, turn all accessories off and stop the
engine before performing maintenance or recharging the battery.
5. Connect a battery charger to the battery.
6. Adjust the charging current as follows.
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Battery type
(5-hour rate)
Slow charge (A)
Quick charge
(A / 30 min.)
46B24LS (36)
3.5—4.5
25
50D20L (40)
4.0—5.0
25
75D26L (52)
5.0—6.0
35
80D26L (55)
5.5—6.5
35
AME4710W001
G–6
CHARGING SYSTEM
GENERATOR REMOVAL/INSTALLATION
A6E471018300W01
Warning
• When the battery cables are connected, touching the vehicle body with generator terminal B will
generate sparks. This can cause personal injury, fire, and damage to the electrical components.
Always disconnect the battery negative cables before performing the following operation.
Caution
• The generator can be damaged by the heat from the exhaust manifold. Make sure the generator
duct and the generator heat insulator are installed securely.
1. Disconnect the negative battery cable.
2. Remove the under cover.
3. Disconnect the joint shaft from the drive shaft (RH). (R.H.D.) (See
4. Remove the drive belt. (See
.)
5. Remove in the order indicated in the table.
6. Install in the reverse order of removal.
Generator Removal Note
1. Remove the generator from above. (L.H.D.)
2. Remove the generator from below. (R.H.D.)
End Of Sie
AME4710W002
1
Generator duct
2
B terminal cable
3
Generator connector
4
Generator heat insulator
5
Generator
(See
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