Chrysler Voyager. Manual — part 239

Symptom:

*NO RESPONSE FROM LEFT SLIDING DOOR CONTROL MODULE

POSSIBLE CAUSES

FUSED B(+) CIRCUIT OPEN

GROUND CIRCUIT OPEN

PCI BUS CIRCUIT OPEN

LEFT SLIDING DOOR WAKE UP SIGNAL WIRE OPEN

LEFT SLIDING DOOR WAKE UP SIGNAL WIRE SHORT TO VOLTAGE

LEFT SLIDING DOOR WAKE UP SIGNAL WIRE SHORT TO GROUND

BODY CONTROL MODULE - LEFT SLIDING DOOR WAKE UP GROUND OPEN

LEFT SLIDING DOOR CONTROL MODULE - OPEN

TEST

ACTION

APPLICABILITY

1

Turn the ignition off.
Disconnect the Left Sliding Door Control Module C1 harness connector.
Measure the voltage of the Fused B(+) circuit.
Is the voltage above 10.0 volts?

All

Yes

→ Go To 2

No

→ Repair the Fused B(+) circuit for an open.

Perform BODY VERIFICATION TEST - VER 1.

2

Turn the ignition off.
Disconnect the Left Sliding Door Control Module C1 harness connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuit.
Does the test light illuminate brightly?

All

Yes

→ Go To 3

No

→ Repair the Ground circuit for an open.

Perform BODY VERIFICATION TEST - VER 1.

383

COMMUNICATION

TEST

ACTION

APPLICABILITY

3

Note: Ensure there is PCI Bus communication with other modules on the
vehicle before proceeding. If not, refer to the symptom list from the menu
and repair as necessary.
Disconnect the Left Sliding Door Control Module C2 harness connector.
Use Scope input cable CH7058, Cable to Probe adapter CH7062, and the red and
black test probes.
Connect the scope input cable to the channel one connector on the DRB. Attach the
red and black leads and the cable to probe adapter to the scope input cable.
With the DRBIII

t select Pep Module Tools.

Select lab scope.
Select Live Data.
Select 12 volt square wave.
Press F2 for Scope.
Press F2 and use the down arrow to set voltage range to 20 volts. Set Probe to x10.
Press F2 again when complete.
Connect the Black lead to the chassis ground. Connect the Red lead to the PCI Bus
circuit in the Left Sliding Door Control Module C2 connector.
Turn the ignition on.
Observe the voltage display on the DRB Lab Scope.
Does the voltage pulse from 0 to approximately 7.5 volts?

All

Yes

→ Go To 4

No

→ Repair the PCI Bus circuit for an open.

Perform BODY VERIFICATION TEST - VER 1.

4

Turn the ignition off.
Disconnect the Left Sliding Door Control Module C2 harness connector.
Turn the ignition on.
Measure the resistance between ground and the Left Sliding Door Wake Up Signal
circuit.
Is the resistance below 50.0 ohms?

All

Yes

→ Go To 5

No

→ Go To 8

5

Turn the ignition off.
Disconnect the Body Control Module C3 harness connector.
Disconnect the Left Sliding Door Module C2 harness connector.
Turn the ignition on.
Measure the voltage of the Left Sliding Door Wake Up Signal circuit.
Is there any voltage present?

All

Yes

→ Repair the Left Sliding Door Wake Up Signal wire for a short to

voltage.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Go To 6

384

COMMUNICATION

*NO RESPONSE FROM LEFT SLIDING DOOR CONTROL MODULE —

Continued

TEST

ACTION

APPLICABILITY

6

Turn the ignition off.
Disconnect the Body Control Module C3 harness connector.
Disconnect the Left Sliding Door Control Module C2 harness connector.
Measure the resistance between ground and the Left Sliding Door Wake Up Signal
circuit.
Is the resistance below 100.0 ohms?

All

Yes

→ Repair the Left Sliding Door Wake Up Signal wire for a short to

ground.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Go To 7

7

If there are no possible causes remaining, view repair.

All

Repair

Replace the Left Sliding Door Control Module in accordance with
the service information.
Perform BODY VERIFICATION TEST - VER 1.

8

Turn the ignition off.
Disconnect the Body Control Module C3 harness connector.
Disconnect the Left Sliding Door Control Module C2 harness connector.
Measure the resistance of the Left Sliding Door Wake Up Signal circuit between the
BCM C3 connector and the Left Sliding Door Control Module C2 connector.
Is the resistance below 5.0 ohms?

All

Yes

→ Replace the Body Control Module in accordance with the service

information.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Repair the Left Sliding Door Wake Up Signal wire for an open.

Perform BODY VERIFICATION TEST - VER 1.

385

COMMUNICATION

*NO RESPONSE FROM LEFT SLIDING DOOR CONTROL MODULE —

Continued

Symptom:

*NO RESPONSE FROM MEMORY SEAT/MIRROR MODULE

POSSIBLE CAUSES

ATTEMPT TO COMMUNICATE WITH THE BCM

FUSED B+ CIRCUIT OPEN

GROUND CIRCUIT OPEN

OPEN PCI BUS CIRCUIT

MEMORY SEAT/MIRROR MODULE

TEST

ACTION

APPLICABILITY

1

Turn the ignition on.
With the DRB, enter Body then Body Computer.
Was the DRB able to I/D or communicate with the BCM?

All

Yes

→ Go To 2

No

→ Refer to the symptom list for problems related to no communica-

tion with the BCM.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.

2

Turn the ignition off.
Disconnect the Memory Seat/Mirror Module C4 harness connector.
Using a 12-volt test light connected to ground, probe the Fused B(+) circuit.
Is the test light illuminated?

All

Yes

→ Go To 3

No

→ Check the Power Seat Circuit Breaker for an open or short. If ok,

repair the Fused B(+) circuit for an open or short.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.

3

Turn the ignition off.
Disconnect the Memory Seat/Mirror Module C4 harness connector.
Using a 12-volt test light connected to 12-volts, probe the Ground circuit.
Is the test light illuminated?

All

Yes

→ Go To 4

No

→ Repair the ground circuit for an open.

Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.

386

COMMUNICATION