Chrysler Voyager. Manual — part 350

TEST

ACTION

APPLICABILITY

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

t in 9Power Liftgate9 9Monitor Display9 9PCI Bus Info9 read the

9Battery Voltage9 and compare it to the 9PLG Bat Volts Input9.
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?

All

Yes

→ Using the wiring diagram/schematic as a guide, inspect the

wiring and connectors. Locate and repair the reason for the
voltage drop.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Go To 4

4

Turn the ignition off.
Turn all lights and accessories off.
With the DRBIII

t in 9Power Liftgate99 9Monitor Display9 9PCI Bus Info9 read the

9Battery Voltage9 and compare it to the 9PLG Bat Volts Input9.
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??

All

Yes

→ Using the wiring diagram/schematic as a guide, inspect the

wiring and connectors. Locate and repair the reason for the
voltage drop.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Go To 5

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 Close Driver
circuits in the PLG C1 connector.
Operate the power liftgate in the CLOSED position and observe the voltage
difference.
Does the voltage vary more than 0.2 volts when the liftgate is operating??

All

Yes

→ Replace the Power Liftgate Module.

Perform BODY VERIFICATION TEST - VER 1.

No

→ Go To 6

6

If there are no possible causes remaining, view repair.

All

Repair

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.

827

POWER DOORS - LIFTGATE

INCOMPLETE POWER CLOSE - VOLTAGE BELOW MINIMUM LEVEL —

Continued

Symptom:

INCOMPLETE POWER OPEN - FULL OPEN SWITCH FAILURE/
NON ENGAGEMENT

When Monitored and Set Condition:

INCOMPLETE POWER OPEN - FULL OPEN SWITCH FAILURE/NON ENGAGE-
MENT

When Monitored:

During the Power Liftgate open cycle.

Set Condition:

The Full Open Switch was detected as closed before 200 hall effect pulses

were counted since the start of the open operation. May be triggered by an intermittent full
open switch failure or a non gear engagement.

POSSIBLE CAUSES

DTC PRESENT

OBSTRUCTION OR STICKING FULL OPEN SWITCH

FULL OPEN SWITCH SHORT TO GROUND

POWER LIFTGATE MOTOR ASSEMBLY - FULL OPEN SWITCH

TEST

ACTION

APPLICABILITY

1

With the DRBIII

t, record and erase DTC’s.

Turn the ignition off, wait 10 seconds, then turn the ignition on.
Operate the power liftgate several times if possible.
With the DRBIII

t, read ACTIVE DTCs.

Does the DRBIII

t display INCOMPLETE POWER OPEN - FULL OPEN SWITCH

FAILURE?

All

Yes

→ Go To 2

No

→ Using the wiring diagram/schematic as a guide, inspect the

wiring and connectors for an intermittent condition. Operate the
liftgate several times and check for any binding or obstructions.
Perform BODY VERIFICATION TEST - VER 1.

2

Examine the liftgate for proper fit and alignment, foreign material in the drive unit
or anything that would cause an obstruction to proper operation of the Full Open
Switch.
With the DRBIII

t in Inputs/Outputs, read the FULL OPEN SWITCH state.

Manually operate the liftgate while monitoring the DRBIII

t.

Does the switch status change smoothly as the liftgate is pulled down from the full
open position.

All

Yes

→ Go To 3

No

→ Refer to Service information for the related symptom(S).

Perform BODY VERIFICATION TEST - VER 1.

828

POWER DOORS - LIFTGATE

TEST

ACTION

APPLICABILITY

3

With the DRBIII

t in Inputs/Outputs, read the FULL OPEN SWITCH state.

Open the liftgate to mid position.
While monitoring the DRBIII

t, wiggle the wiring harness from the Power Liftgate

Module to the Full Open Switch on the Power Liftgate Motor assembly.
Did the switch status ever change?

All

Yes

→ Repair the Full Open Switch Sense circuit for a short to ground.

Perform BODY VERIFICATION TEST - VER 1.

No

→ Go To 4

4

If there are no possible causes remaining, view repair.

All

Repair

Replace the Power Liftgate Motor assembly.
Perform BODY VERIFICATION TEST - VER 1.

829

POWER DOORS - LIFTGATE

INCOMPLETE POWER OPEN - FULL OPEN SWITCH FAILURE/NON
ENGAGEMENT —

Continued

Symptom:

INCOMPLETE POWER OPEN - EXCESSIVE H.E. COUNTS/NON
ENGAGEMENT

When Monitored and Set Condition:

INCOMPLETE POWER OPEN - EXCESSIVE H.E. COUNTS/NON ENGAGEMENT

When Monitored:

During Power Liftgate opening cycle.

Set Condition:

If the PLG Module detects that the Power Liftgate Motor has generated

more than 700 hall effect pulses during a full power cycle, this code will set.

POSSIBLE CAUSES

DTC PRESENT

POWER LIFTGATE MODULE - HALL EFFECT OPEN

BINDING LIFTGATE

LIFTGATE GEAR ENGAGE DRIVER WIRE OPEN

LIFTGATE GEAR ENGAGE DRIVER WIRE SHORT TO GROUND

LIFTGATE GEAR ENGAGE DRIVER WIRE SHORT TO THE LIFTGATE GEAR DISENGAGE WIRE.

LIFTGATE GEAR DISENGAGE DRIVER WIRE OPEN

LIFTGATE GEAR DISENGAGE DRIVER WIRE SHORT TO GROUND

POWER LIFTGATE MODULE - GEAR ENGAGE CIRCUIT OPEN

POWER LIFTGATE MOTOR

POWER LIFTGATE MOTOR - GEAR ENGAGE OPEN

POWER LIFTGATE MOTOR - GEAR ENGAGE SHORT TO GROUND

POWER LIFTGATE MOTOR - GEAR ENGAGE SHORTED

TEST

ACTION

APPLICABILITY

1

With the DRBIII

t, record and erase DTC’s.

Turn the ignition off, wait 10 seconds, then turn the ignition on.
Operate the Power Liftgate several times from stop to stop if possible.
With the DRBIII

t, read ACTIVE DTCs.

Does the DRBIII

t display INCOMPLETE POWER OPEN - EXCESSIVE H.E.

COUNTS/NON ENGAGEMENT?

All

Yes

→ Go To 2

No

→ Using the wiring diagram/schematic as a guide, inspect the

wiring and connectors for an intermittent condition. Operate the
liftgate several times and check for any binding conditions.
Perform BODY VERIFICATION TEST - VER 1.

830

POWER DOORS - LIFTGATE