Mazda CX-9 Grand Touring 2007 Manual page 13

ELECTROLYTE SPECIFIC GRAVITY
1. Measure the electrolyte specific gravity using a hydrometer.
If it is less than the specification, recharge the battery. (See BATTERY RECHARGING [MZI-
3.5].)
Battery electrolyte specific gravity [20 °C {68 °F}]
1.22-1.29
BATTERY VOLTAGE
1. Inspect the battery as follows:
DIAGNOSIS PROCEDURE
Step
1 Measure the battery positive voltage.
2 Quick charge for 30 min and recheck voltage.
Using the battery load tester, apply load current (80D26L (55): 195 A) and
3
record battery voltage after 15 s . Is voltage more than the specification?
Battery load test current
80D26L (55): 195 A
Standard specification
BATTERY SPECIFICATION
Battery temp. (°C {°F})
10 {50}
16 {61}
21 {70}
BACK-UP CURRENT
1. Verify that the ignition switch is off (key has been removed) and that all doors are closed.
2007 Mazda CX-9 Grand Touring
2007 ELECTRICAL Charging System (MZI-3.5) - CX-9
4 {39}
Inspection
Minimum voltage (V)
Action
12.4 V or
Go to Step 3.
more
Less than Go to the
12.4 V next step.
12.4 V or Go to the
more next step.
Less than Replace the
12.4 V battery.
Yes Normal
Replace the
No
battery.
9.3
9.4
9.5
9.6