IP1911
Wiring Diagram:
The test for DTC IP 1911 is only performed when the engine is running with an engine speed greater than 600 RPM and Service Diagnostics is not active. This DTC indicates a circuit malfunction is preventing the alternator from charging.
CIRCUIT DESCRIPTION
DTC IP 1911 will set if the alternator "L" terminal is grounded. A DIC warning message "BATTERY NO CHARGE" will be displayed when DTC IP 1911 is current.
TROUBLESHOOTING HINTS
Probe the Alternator L-Terminal terminal and look for Ignition-1 voltage while engine is running. If ignition voltage is present, check for intermittent shorts or opens in the Alternator L-Terminal wiring or Ignition-1 wiring.