Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2007 Mazda 6 L4-2.3LFACTORY OEM SERVICE PROCEDURE
Battery
Back-up Current
1. Verify that the ignition switch is off and that the ignition switch has been removed.
2. Leave the vehicle for more than 10 min.
3. Disconnect the negative battery cable.
CAUTION: Operating electrical loads while measuring the back-up current can damage the circuit tester.
4. Measure the back-up current between the negative battery terminal and the negative battery cable.
1. If the current exceeds the maximum, remove the fuse in the main fuse block and the fuse block one by one while measuring the back-up current.
2. Inspect and repair wiring harnesses and connectors of the fuse at which the current reduces.
Maximum back-up current 20 mA
Standard electrolyte gravity 1.22 - 1.29 [20 °C {68 °F}]
1. Verify that the ignition switch is off and that the ignition switch has been removed.
2. Leave the vehicle for more than 10 min.
3. Disconnect the negative battery cable.
CAUTION: Operating electrical loads while measuring the back-up current can damage the circuit tester.
4. Measure the back-up current between the negative battery terminal and the negative battery cable.
1. If the current exceeds the maximum, remove the fuse in the main fuse block and the fuse block one by one while measuring the back-up current.
2. Inspect and repair wiring harnesses and connectors of the fuse at which the current reduces.
Maximum back-up current 20 mA
Standard electrolyte gravity 1.22 - 1.29 [20 °C {68 °F}]
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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