Diesel Data: Automotive Repair

General Information





Engine Control
U1112 LIN Communication Error - General Information

Component Location





General Description

Battery sensor is mounted on the battery (-) terminal. It transmits battery voltage, current, temperature information to PCM. PCM controls the generating output by changing the duty cycle to the generator based on these signals.

DTC Description

PCM sets this code when there is an error in LIN communication line.

DTC Detecting Condition





Diagnostic Circuit Diagram





Signal Waveform & Data




Fig.1) Signal waveforms of battery sensor