Chrysler Dodge Caravan 2002 Manual page 546

RS
POWER LIFTGATE SYSTEM (Continued)
CONDITION
Liftgate opens unexpectedly
Liftgate will not open from
outside of vehicle manually
Liftgate will not open/close
under power
LIFTGATE SYSTEM DIAGNOSIS
POSSIBLE CAUSES
Failure of Power Liftgate or Body
Control module
Failure of latch assembly
Failure of open/close command
switch
Failure of key cylinder assembly
Failure of latch assembly
Binding or sticking of components
Failure of Power Liftgate or Body
Control Module
Failure of latch assembly
Failure of motor assembly
Failure of full open switch
POWER LIFTGATE SYSTEM
CORRECTION
Disconnect then reconnect battery to reset
module, function liftgate, if no function
exists check for loose wire connections,
see Body Diagnostic Manual for detailed
procedures
Check wiring connections and for blown
fuse
Check for trouble codes, replace latch if
necessary
Check for shorted or defective switch
Check for broken key cylinder assembly
Check link rod connections at the latch and
key cylinder assembly
Check for binds or kinks in link rod
Check for foreign matter preventing the
operation of key cylinder assembly
Replace the necessary components
Check wire connections and for blown fuse
Check for foreign matter preventing the
operation of latch assembly
Replace latch assembly, if necessary
Check for foreign matter preventing the
operation of door
Establish location of binding
Replace necessary components
Disconnect then reconnect battery to reset
module, function liftgate, if no function
exists check for loose wire connections,
see Body Diagnostic Manual for detailed
procedures
Check wire connections and for blown fuse
Check for foreign matter preventing the
operation of latch assembly
Troubleshoot using Body Diagnostic
Manual Replace latch assembly, if
necessary
Troubleshoot using Body Diagnostic
Manual
Troubleshoot using Body Diagnostic
Manual
8N - 5