Chrysler 300M 2002 Service Manual page 2656

Symptom:
P0563-BATTERY VOLTAGE HIGH
When Monitored and Set Condition:
P0563-BATTERY VOLTAGE HIGH
When Monitored: The engine running. The engine speed greater than 380 RPM.
Set Condition: Battery voltage is 1 volt greater than desired system voltage. One Trip
Fault
GENERATOR FIELD CONTROL CIRCUIT SHORTED TO GROUND
GENERATOR FIELD CONTROL CIRCUIT OPEN
GENERATOR FIELD GROUND CIRCUIT OPEN
INTERMITTENT CONDITION
GENERATOR OPERATION
GENERATOR FIELD CONTROL CIRCUIT SHORTED TO BATTERY VOLTAGE
PCM
TEST
1 NOTE: Ensure the Battery is in good condition. Using the Midtronics
Battery Tester, test the Battery before continuing.
NOTE: Inspect the vehicle for aftermarket accessories that may exceed the
Generator System output.
Turn the ignition off.
NOTE: Ensure the generator drive belt is in good operating condition.
NOTE: Inspect the fuses in the PDC. If a fuse is found to be open use the
wiring diagram/schematic as a guide, inspect the wiring and connectors for
damage.
Ignition on, engine not running.
With the DRBIII , read DTCs and record the related Freeze Frame data.
Is the Good Trip Counter displayed and equal to zero?
Yes → Go To 2
No
2 Turn the ignition off.
Disconnect the Generator Field harness connector.
Using a 12-volt test light, jumper it across the Generator Field harness connector.
Ignition on, engine not running.
With the DRBIII , actuate the Generator Field Driver circuit.
Does the test light illuminate brightly and flash on and off?
Yes → Go To 4
No
POSSIBLE CAUSES
ACTION
→ Go To 8
→ Go To 3
DRIVEABILITY - NGC
227
APPLICABILITY
All
All