Vehicles With Keyless Entry System
WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
B1318 REFERENCE
| DESCRIPTION |
Battery voltage low |
| DETECTION CONDITION |
Input voltage from the battery is excessively low |
| POSSIBLE CAUSE |
- Fuse malfunction
- Battery malfunction
- Generator malfunction
- Connector or terminal malfunction
- Ignition switch malfunction
- Short to ground or open circuit in wiring harness between positive battery terminal and auto light/wiper
- control module terminal 2D
- Short to ground or open circuit in wiring harness between positive battery terminal and ignition switch terminal E
- Short to ground or open circuit in wiring harness between positive battery terminal and ignition switch terminal F
- Short to ground in wiring harness between ignition switch terminal B and auto light/wiper control module terminal 1E
- Short to ground in wiring harness between ignition switch terminal D and auto light/wiper control module terminal 2C
- Open circuit in wiring harness between ignition switch terminal B and auto light/wiper control module terminal 1E
- Open circuit in wiring harness between ignition switch terminal D and auto light/wiper control module terminal 2C
- Auto light/wiper control module malfunction
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 Courtesy of MAZDA MOTORS CORP.
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