Vehicles With Advanced Keyless Entry And Push Button Start System

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 Relay block 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 relay block terminal 1E Short to ground or open circuit in wiring harness between positive battery terminal and relay block terminal 1A Short to ground in wiring harness between relay block terminal 1C and auto light/wiper control module terminal 1E Short to ground in wiring harness between relay block terminal 2B and auto light/wiper control module terminal 2C Open circuit in wiring harness between relay block terminal 1C and auto light/wiper control module terminal 1E Open circuit in wiring harness between relay block terminal 2B and auto light/wiper control module terminal 2C Auto light/wiper control module malfunction
Courtesy of MAZDA MOTORS CORP.