How to Repair Battery Indicator Lights On Code U1112

How to Repair Battery Indicator Lights On Code U1112.

 

2010  G 3.8 DOHC  Engine  Unleaded EOBD  U1112 LIN Communication Error

Auto Repair and Study Guide w/ Component Location Study Guide and General Description Many control units have applied to vehicle as it becomes more eletrolnical. These units control their own system based on information from diverse sensors. Therefore necessity of common use of diverse sensor information and importance of stable power supply are gathering strength. Battery sensor is mounted on battery (-) terminal. It transmits battery voltage, current, temperature information to ECM. ECM controls generating voltage by duty cycle based on these signals. Auto Repair w/ DTC Description ECM sets this code when there is an error in LIN communication line. DTC Detecting Condition Item Detecting Condition Possible cause DTC Strategy • Signal Monitoring     =Open or short in LIN communication line =UCU or ECM EnableConditions • Engine Run Time  2sec. • Ignition Voltage  11V Threshold value • LIN communication error Diagnosis Time • Continuous MIL On Condition • NO MIL ON(DTC only) Diagnostic Circuit Diagram Signal Waveform & Data

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