Chrysler 300M 2002 Service Manual page 2655

DRIVEABILITY - NGC
P0562-BATTERY VOLTAGE LOW —
TEST
6 Ignition on, engine not running.
Disconnect the Generator Field harness connector.
Disconnect the PCM harness connector.
Measure the resistance between ground and the Generator Field Control circuit in
the Generator Field harness connector.
Is the resistance below 100 ohms?
Yes → Repair the Generator Field Control circuit for a short to ground.
→ Go To 7
No
7 Turn the ignition off.
Disconnect the Generator Field harness connector.
Disconnect the PCM harness connector.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING
THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMI-
NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL
MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
Measure the resistance of the Generator Field Control circuit from the Generator
Field harness connector to the appropriate terminal of the special tool #8815.
Is the resistance below 5.0 ohms?
Yes → Go To 8
→ Repair the open in the Generator Field Control circuit.
No
8 NOTE: Before continuing, check the PCM harness connector terminals for
corrosion, damage or terminal push out. Repair as necessary.
If there are no possible causes remaining, view repair.
Repair
9 NOTE: Ensure the Battery is in good condition. Using the Midtronics
Battery Tester, test the Battery before continuing.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
With the engine running at normal operating temperature, monitor the DRBIII
parameters related to the DTC while wiggling the wire harness. Look for parameter
values to change and/or a DTC to set.
Review the DRBIII Freeze Frame information. If possible, try to duplicate the
conditions under which the DTC was set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wire harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wire harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?
Yes → Repair as necessary
→ Test Complete.
No
ACTION
Perform POWERTRAIN VERIFICATION TEST VER - 3.
Perform POWERTRAIN VERIFICATION TEST VER - 3.
Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 3.
Perform POWERTRAIN VERIFICATION TEST VER - 3.
Continued
226
APPLICABILITY
All
All
All
All