Chrysler Voyager. Manual — part 310

Symptom:

FRONT COURTESY LAMPS OUTPUT SHORT

When Monitored and Set Condition:

FRONT COURTESY LAMPS OUTPUT SHORT

When Monitored:

Anytime the BCM is active.

Set Condition:

When the voltage of the Headlamp Switch MUX Return circuit falls below

5.0 volts for 10 seconds.

POSSIBLE CAUSES

INTERMITTENT CONDITION

FRONT COURTESY LAMP OUTPUT CIRCUIT SHORT

BODY CONTROL MODULE

OVERHEAD CONSOLE

TEST

ACTION

APPLICABILITY

1

Turn the ignition on.
With the DRBIII

t, clear all BCM DTC’s.

Turn the courtesy lamps on.
With the DRBIII

t, read the DTC information.

Does the DRBIII

t read: Front Courtesy Lamps Output Short?

All

Yes

→ Go To 2

No

→ The condition that caused the symptom is currently not present.

Inspect the related wiring for a possible intermittent condition.
Look for any chafed, pierced, pinched, or partially broken wires.
Perform BODY VERIFICATION TEST - VER 1.

2

Turn the ignition off.
Disconnect the Headlamp Switch harness connector.
Disconnect the Body Control Module C5 harness connector.
Measure the resistance of the Front Courtesy Lamp Output circuit.
Is the resistance below 5.0 ohms?

All

Yes

→ Repair the Front Courtesy Lamp Output circuit for a short

condition.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Go To 3

3

Turn the ignition off.
Disconnect the Body Control Module C2 harness connector.
Measure the resistance of the Front Courtesy Lamp Output circuit.
Is the resistance below 5.0 ohms?

All

Yes

→ Replace the Overhead Console.

Perform BODY VERIFICATION TEST - VER 1.

No

→ Replace the Body Control Module.

Perform BODY VERIFICATION TEST - VER 1.

667

INTERIOR LIGHTING

Symptom:

READING LAMP OUTPUT SHORT

When Monitored and Set Condition:

READING LAMP OUTPUT SHORT

When Monitored:

Anytime the Body Control Module is active.

Set Condition:

When output voltage status is LOW.

POSSIBLE CAUSES

INTERMITTENT CONDITION

READING LAMPS DRIVER CIRCUIT SHORT

GLOVE BOX LAMP CIRCUIT SHORT TO GROUND

BODY CONTROL MODULE

TEST

ACTION

APPLICABILITY

1

Turn the ignition on.
With the DRBIII

t, clear all BCM DTC’s.

Turn the Reading Lamps on.
With the DRBIII

t, read the DTC information.

Does the DRBIII

t display: Reading Lamp Output Short?

All

Yes

→ Go To 2

No

→ The condition that caused the symptom is currently not present.

Inspect the related wiring for a possible intermittent condition.
Look for any chafed, pierced, pinched, or partially broken wires.
Perform BODY VERIFICATION TEST - VER 1.

2

Turn the ignition off.
Disconnect the BCM C2 harness connector.
Turn the reading lamps on.
Measure the resistance of the Reading Lamps circuit.
Is the resistance below 5.0 ohms?

All

Yes

→ Go To 3

No

→ Repair the Reading Lamps Driver Circuit for a short condition.

Perform BODY VERIFICATION TEST - VER 1.

3

Turn the ignition off.
Disconnect the Body Control Module C2 and C4 harness connectors.
Measure the resistance of the Glove Box and Reading Lamps Circuits.
Is the resistance below 5.0 ohms in any of the circuits?

All

Yes

→ Repair the Glove Box Lamp Driver/ Reading Lamps Circuit for a

short to ground.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Replace the Body Control Module.

Perform BODY VERIFICATION TEST - VER 1.

668

INTERIOR LIGHTING

Symptom:

BCM MESSAGE NOT RECEIVED

When Monitored and Set Condition:

BCM MESSAGE NOT RECEIVED

When Monitored:

Continuously when the PCI bus is active.

Set Condition:

If the Memory Seat Mirror Module does receive this Bus message from the

BCM. Code will remain for 50 ignition cycles.

POSSIBLE CAUSES

BCM RESPONSE

STORED CODE/PCI BUS COMMUNICATION PROBLEMS

MEMORY SEAT MIRROR MODULE

INTERMITTENT PROBLEM

TEST

ACTION

APPLICABILITY

1

Turn ignition on.
With the DRBIII

t select Body Control Module.

Is there a response from the Body Control Module?

All

Yes

→ Go To 2

No

→ Refer to symptom *NO RESPONSE FROM BODY CONTROL

MODULE in the COMMUNICATION category
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.

2

With the DRBIII

t, erase the DTC from Memory Seat Mirror Module.

Turn the ignition switch to the Off position then start the engine and let run for one
minute.
Now be sure that there is still communication with the Body Control module, if not
repair as necessary.
With the DRB check for the same DTC to reset in the MSMM.
Did the same DTC reset?

All

Yes

→ Go To 3

No

→ Test complete.

Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.

3

NOTE: Visually inspect the related wiring harness including the PCI bus
wire. Look for any chafed, pierced, pinched, or partially broken wires.
Note: Visually inspect the related wiring harness connectors. Look for
broken, bent, pushed out, or corroded terminals.
Note: Refer to any technical service bulletins that may apply.
Were any problems found?

All

No

→ Replace the Memory Seat Mirror Module.

Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.

Yes

→ Repair as necessary.

Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.

669

MEMORY SEAT

Symptom:

CHARGING VOLTAGE HIGH MESSAGE

When Monitored and Set Condition:

CHARGING VOLTAGE HIGH MESSAGE

When Monitored:

During cranking or with the engine running.

Set Condition:

When the Memory Seat Mirror Module receives three high charging

system voltage messages above 15.94 volts over the PCI Bus. Code will remain for 50
ignition cycles.

POSSIBLE CAUSES

PCM TROUBLE CODES

STORED CODE COMMUNICATION PROBLEMS

MEMORY SEAT MIRROR MODULE

INTERMITTENT PROBLEM

TEST

ACTION

APPLICABILITY

1

Turn ignition on.
With the DRBIII

t read Engine DTCs.

Is the DTC P1594 Charging System Voltage Too High set in the Power Control
Module?

All

Yes

→ Refer to symptom *P1594-CHARGING SYSTEM VOLTAGE TOO

HIGH in the CHARGING category
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.

No

→ Go To 2

2

With the DRBIII

t, erase the DTC from Memory Seat Mirror Module.

Turn the ignition switch to the Off position then start the engine and let run for one
minute.
With the DRB check for the same DTC to reset in the MSMM.
Did the same DTC reset?

All

Yes

→ Go To 3

No

→ Test complete.

Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.

3

Note: Visually inspect the related wiring harness. Look for any chafed,
pierced, pinched, or partially broken wires.
Note: Visually inspect the related wiring harness connectors. Look for
broken, bent, pushed out, or corroded terminals.
Note: Refer to any technical service bulletins that may apply.
Were any problems found?

All

No

→ Replace the Memory Seat Mirror Module.

Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.

Yes

→ Repair as necessary.

Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.

670

MEMORY SEAT