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Home >> Mazda >> 2012 >> 6 s Touring Plus >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> On-Board Diagnostic [Auto Light/Wiper Control Module) >> DTC B1318 [Auto Light/Wiper Control Module] >> Vehicles With Advanced Keyless Entry and Push Button Start System
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Vehicles With Advanced Keyless Entry and Push Button Start System

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 1B 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 1B and auto light/wiper control module terminal 2C
  • Auto light/wiper control module malfunction
G08144001