Chrysler Pacifica 2004 Service Manual page 2134

CS
POWER LIFTGATE SYSTEM (Continued)
CONDITION
Latch will not release from
primary position
Liftgate does not stay open
High opening effort
Liftgate continues to cinch
closed during power mode
Liftgate continues to open
during power mode
(runaway motor)
POSSIBLE CAUSES
Not in Park/Neutral, vehicle speed
greater than zero or false indication
Vehicle doors locked
Low battery voltage
Blown fuse
Failure of latch assembly
Failure of outside handle switch
Failure of Power Liftgate or Body
Control Module
Wiring problems (system or vehicle)
Binding or sticking of components
Failure of liftgate prop rods
Excessive cold or weight on liftgate
Failure of liftgate prop rods
Drive unit jamed or did not
disengage
Binding or sticking of components
Failure of Power Liftgate Module
Wiring problems (system or vehicle)
Failure of Power Liftgate Module
Failure of full open switch
Failure of motor assembly
Wiring problems (system or vehicle)
POWER LIFTGATE SYSTEM 8Ns - 5
CORRECTION
Check switch status with DRB III
Unlock doors
Check battery system voltage
Check fuse and replace if required
Check ratchet and pawl switch status with
DRB III
Check for foreign matter or damaged
components preventing the operation of
latch assembly
Troubleshoot using body diagnostic
information. Replace latch assembly, if
necessary
Check for diagnostic trouble codes and
cycle with DRB III
Check for diagnostic trouble codes and
cycle with DRB III
Troubleshoot using electrical schematics.
Refer to wiring diagrams
Establish location of binding and replace
necessary components
Replace prop rods
Check for added weight or extreme cold
climate
Replace prop rods
Check for broken attachments
Troubleshoot using Body Diagnostic
Information Replace components, if
necessary
Establish location of binding and replace
necessary components
Check for diagnostic trouble codes and
cycle with DRB III, see Body Diagnostic
Information for detailed procedures
Troubleshoot using electrical schematics.
Refer to wiring diagrams
Check for diagnostic trouble codes and
cycle with DRB III, see Body Diagnostic
Information for detailed procedures
Check switch status with DRB III
Replace switch, if necessary
Check for continuous drive condition
Troubleshoot using electrical schematics.
Refer to Wiring Diagrams