LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2013 >> 5 Grand Touring >> Repair and Diagnosis >> Steering >> Electronic Steering >> On-Board Diagnostic [Steering System] >> DTC B1318 >> Notes

DTC B1318: Notes

DTC B1318 Battery power supply
DETECTION CONDITION 
  • Voltage of 9 V or less detected by EHPAS CM internal battery voltage observation.
FAIL-SAFE FUNCTION 
  • Controlled motor speed is decreased to 391 rpm per s until it is set at 0 rpm, and control is disabled.
  • Power steering malfunction indicator light: Illuminated
POSSIBLE CAUSE 
  • Battery and/or generator malfunction
  • EHPAS 80A fuse malfunction
  • Open or short circuit in wiring harness between EHPAS CM terminal 1B and battery
  • Open or short circuit in wiring harness between EHPAS CM terminal 1A and body ground
SYSTEM WIRING DIAGRAM 
G08150824