Standard Specification; Back-Up Current - Mazda MX-5 Miata Sport 2007 Manual

BATTERY INSPECTION TABLE
Step
1 Measure the battery positive voltage.
2 Quick charge for 30 min. and recheck voltage.
Using the battery load tester, apply load current (see Battery load test
3 current) and record battery voltage after 15 s. Is voltage more than
specification?
Battery load test current
46B24L (36): 135 A

STANDARD SPECIFICATION

BATTERY STANDARD 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.
2. Remove the battery cover.
3. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [LF] .)
4. Connect the tester between the negative battery terminal and negative battery cable, leave the battery
undisturbed for 30 min. , and then measure the back-up current.
If not within the specification, measure the back-up current while removing the fuses one by one

from the inside of the main fuse block and the inside of the fuse block.
NOTE:
2007 Mazda MX-5 Miata Sport
2007 ELECTRICAL Charging System - MX-5 Miata
4 {39}
If the battery is not left undisturbed for 30 min., the tester will indicate

a high value (approx. 300 mA).
If the key or any electrical accessory is operated within approx. 30

min. after the tester is connected, the battery must be left
undisturbed for approx. 30 min. from that point.
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