Method and system for controlling one of a glow plug heater syst

Details Method and system for controlling one of a glow plug heater syst Method and system for controlling one of a glow plug heater syst

1995-11-20

1997-06-03

Solis, Erick R.

Internal-combustion engines

Starting device

With charge or cylinder heating

1231425E, F02N 1702

Patent

active

056344430

ABSTRACT:
A method and system for controlling one of a glow plug heater system and a grid heater system in an automotive vehicle. A common controller is provided programmed with a first control algorithm for controlling a glow plug heater system and a second control algorithm for controlling a grid heater system. A control signal is obtained upon detecting whether the heater system is a glow plug heater system or a grid heater system. Based on the control signal, the common controller then controls the glow plug heater system according to the first control algorithm and controls the grid heater system according to the second control algorithm. The common controller further includes a diagnostic algorithm for performing a self-diagnostic test on the heater system upon receiving a diagnostic signal generated either manually or automatically.

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