Operation CHARM: Car repair manuals for everyone.

General Information





Component Location





General Description

The ECM provides ground to one side of the coil of the main relay and the other side is connected to the battery. The ECM monitors battery voltage and the voltage after the main relay.

DTC Description

During engine running, if system voltage is above 16.1V, ECM sets P0563.

DTC Detecting Condition





Diagnostic Circuit Diagram