Chrysler Town and Country 2003 Owner's Manual page 866

POWER DOORS - LIFTGATE
INCOMPLETE POWER OPEN - VOLTAGE BELOW MINIMUM LEVEL —
Continued
TEST
3 NOTE: Test the battery to ensure it is fully charged and in good condition
before proceeding.
Turn the ignition off.
Turn all lights and accessories off.
With the DRBIII in Power Liftgate
Battery Voltage and compare it to the PLG Bat Volts Input .
NOTE: If the difference is greater than 0.5 volts, backprobe the Fused B(+)
at the module to verify.
Does the voltage vary more than 0.5 volts?
Yes → Using the wiring diagram/schematic as a guide, inspect the
→ Go To 4
No
4 Turn the ignition off.
Turn all lights and accessories off.
With the DRBIII in Power Liftgate
BATTERY VOLTAGE and compare it to the MODULE VOLTAGE.
Operate the power liftgate and observe the voltage difference.
NOTE: If the difference is greater than 1.6 volts, backprobe the Fused B(+)
at the module to verify.
Does the voltage vary more than 1.6 volts when the liftgate is operating??
Yes → Using the wiring diagram/schematic as a guide, inspect the
→ Go To 5
No
5 Turn the ignition off.
Turn all lights and accessories off.
Open the Liftgate.
Remove the left rear trim panel to gain access to the Power Liftgate Module.
Remove the PLG module but leave it connected.
Backprobe voltmeter leads between the Fused B(+) and the Liftgate Open Driver
circuits in the PLG C1 connector.
Close the Liftgate.
Operate the power liftgate in the OPEN position and observe the voltage difference.
Does the voltage vary more than 0.2 volts when the liftgate is operating??
Yes → Replace the Power Liftgate Module.
→ Go To 6
No
6 If there are no possible causes remaining, view repair.
Repair
ACTION
Monitor Display
wiring and connectors. Locate and repair the reason for the
voltage drop.
Perform BODY VERIFICATION TEST - VER 1.
Monitor Display
wiring and connectors. Locate and repair the reason for the
voltage drop.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Check the wiring and connections from the module to the motor
for high resistance. If the wiring is okay, replace the Power
Liftgate Motor assembly.
Perform BODY VERIFICATION TEST - VER 1.
PCI Bus Info read the
PCI Bus Info read the
842
APPLICABILITY
All
All
All
All