Diagnostic Trouble Code (Dtc) P0563 System Voltage High - Isuzu 1999 RODEO Workshop Manual

6E1–298 RODEO X22SE 2.2L ENGINE DRIVEABILITY AND EMISSION

DIAGNOSTIC TROUBLE CODE (DTC) P0563 SYSTEM VOLTAGE HIGH

Circuit Description
The powertrain control module (PCM) monitors the
system voltage on the ignition feed terminals to the PCM.
A system voltage Diagnostic Trouble Code will set
whenever the voltage is above a calibrated value. DTC
P0563 is a type A code.
Conditions for Setting the DTC
f Ignition ON.
f System voltage is above 16.
Action Taken When the DTC Sets
f The PCM will not illuminate the malfunction indicator
lamp (MIL) for the first time the malfunction is detected.
f The PCM will store as Failure Records conditions
which were present when the Diagnostic Trouble Code
was set. This information will not be stored as Freeze
Frame data.
Conditions for Clearing the MIL/DTC
f A history Diagnostic Trouble Code P0563 will clear
after 40 consecutive warm–up cycles have occurred
without a fault.
f Diagnostic Trouble Code P0563 can be cleared by
using the Scan Tool's "Clear Info" function.
Diagnostic Aids
Check for a faulty charging system components.
D06RX061