Chrysler Pacifica. Manual — part 119

Symptom:

LEFT FRONT TURN SIGNAL OUTPUT OPEN-BCM

POSSIBLE CAUSES

INTERMITTENT CONDITION

GROUND CIRCUIT OPEN

TURN SIGNAL LAMP OPEN

LEFT FRONT TURN SIGNAL LAMP DRIVER CIRCUIT OPEN

BODY CONTROL MODULE

TEST

ACTION

APPLICABILITY

1

Turn the ignition on.
With the DRBIII

t, clear all BCM DTC’s.

Actuate the Turn Signals.
With the DRBIII

t, read the DTC information.

Does the DRBIII

t read: Left Front Turn Signal Output Open?

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 Left Front Turn Signal 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.

Perform BODY VERIFICATION TEST - VER 1.

3

Turn the ignition off.
Disconnect the Left Front Turn Signal Lamp connector.
Turn the ignition on.
Turn the Left Turn Signal on.
Using a 12-volt test light connected to ground, check the Left Front Turn Signal
Output circuit.
Does the test light illuminate brightly?

All

Yes

→ Replace the Turn Signal Lamp.

Perform BODY VERIFICATION TEST - VER 1.

No

→ Go To 4

473

EXTERIOR LIGHTING

TEST

ACTION

APPLICABILITY

4

Turn the ignition off.
Disconnect the BCM C2 harness connector.
Disconnect the left front turn signal lamp harness connector.
Measure the resistance of the Left Front Turn Signal Output Circuit and ground.
Is the resistance above 5.0 ohms?

All

Yes

→ Repair the Left Front Turn Signal Lamp Driver Circuit for an

open condition.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Replace the Body Control Module.

Perform BODY VERIFICATION TEST - VER 1.

474

EXTERIOR LIGHTING

LEFT FRONT TURN SIGNAL OUTPUT OPEN-BCM —

Continued

Symptom:

LEFT FRONT TURN SIGNAL OUTPUT SHORT-BCM

POSSIBLE CAUSES

INTERMITTENT CONDITION

LEFT FRONT TURN SIGNAL LAMP DRIVER CIRCUIT SHORT TO GROUND

TURN SIGNAL LAMP

BODY CONTROL MODULE

TEST

ACTION

APPLICABILITY

1

Turn the ignition on.
With the DRBIII

t, clear all BCM DTC’s.

Actuate the Turn Signals.
With the DRBIII

t, read the DTC information.

Does the DRBIII

t read: Left Front Turn Signal 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 Left Front Turn Signal Lamp connector.
Disconnect the BCM C2 harness connector.
Measure the resistance between the Left Front Turn Signal Lamp Driver circuit and
ground.
Is the resistance below 100.0 ohms?

All

Yes

→ Repair the Left Front Turn Signal Lamp Driver circuit for a short

to ground.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Go To 3

3

Turn the ignition off.
Disconnect the Left Front Turn Signal Lamp connector.
Turn the ignition on.
Turn the Left Turn Signal on.
Using a 12-volt test light connected to ground, check the Left Front Turn Signal
Lamp Driver circuit.
Does the test light illuminate brightly?

All

Yes

→ Replace the Turn Signal Lamp.

Perform BODY VERIFICATION TEST - VER 1.

No

→ Replace the Body Control Module.

Perform BODY VERIFICATION TEST - VER 1.

475

EXTERIOR LIGHTING

Symptom:

LEFT HEADLAMP HIGH BEAM OPEN-IPM

When Monitored and Set Condition:

LEFT HEADLAMP HIGH BEAM OPEN-IPM

When Monitored:

Output is OFF.

Set Condition:

The IPM detects an open fault condition. Time to set is 5 seconds.

POSSIBLE CAUSES

GROUND CIRCUIT OPEN

INTEGRATED POWER MODULE

LEFT HIGH BEAM DRIVER CIRCUIT OPEN

LEFT HIGH BEAM HEADLAMP

WIRING HARNESS INSPECTION

TEST

ACTION

APPLICABILITY

1

Turn the ignition on.
With the DRBIII

t, erase the IPM DTC’s.

Turn the headlamps on.
Switch the headlamps between high beam and low beam several times, pausing for
5 seconds in each position.
With the DRB, read the IPM DTC’s.
Does the DRBIII

t read: Left Headlamp High Beam Open?

All

Yes

→ Go To 2

No

→ Go To 5

2

Turn the ignition off.
Disconnect the Left Headlamp harness connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuit.
NOTE: The test light must illuminate brightly. Compare the brightness to
that of a direct connection to the battery.
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.

3

Turn the ignition off.
Disconnect the Left Headlamp.
Disconnect the IPM C5 harness connector.
Measure the resistance of the Left High Beam Driver circuit.
Is the resistance below 10.0 ohms?

All

Yes

→ Go To 4

No

→ Repair the Left High Beam Driver circuit for an open.

Perform BODY VERIFICATION TEST - VER 1.

476

EXTERIOR LIGHTING