Chrysler Pacifica. Manual — part 263

TEST

ACTION

APPLICABILITY

6

NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, wiggle the wiring
harnesses. This is to try and duplicate the failure.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?

All

Yes

→ Repair as necessary.

Perform BODY VERIFICATION TEST - VER 1.

No

→ Test Complete.

1049

TELECOMMUNICATION

LEFT AUDIO OUTPUT 1 SHORT TO GROUND —

Continued

Symptom List:

MIRROR POWER CIRCUIT SHORT TO GROUND
MIRROR POWER CIRCUIT SHORT TO VOLTAGE

Test Note:

All symptoms listed above are diagnosed using the same tests.

The title for the tests will be MIRROR POWER CIRCUIT
SHORT TO GROUND.

POSSIBLE CAUSES

FUSED ACCESSORY RELAY OUTPUT CIRCUIT SHORT TO OTHER CIRCUITS

FUSED ACCESSORY RELAY OUTPUT CIRCUIT SHORT TO VOLTAGE

FUSED ACCESSORY RELAY OUTPUT OPEN

FUSED ACCESSORY RELAY OUTPUT SHORT TO GROUND

HANDS FREE MODULE

REAR VIEW MIRROR

INTERMITTENT CONDITION

TEST

ACTION

APPLICABILITY

1

Turn the ignition on.
With the DRBIII

t, erase DTCs.

Attempt to make a phone call using the system.
With the DRBIII

t, read DTCs.

Does the DRBIII

t display this DTC?

All

Yes

→ Go To 2

No

→ Go To 7

2

Turn the ignition off.
Disconnect the Rear View Mirror harness connectors (automatic day/night mirror).
Disconnect the Hands Free Module harness connector.
Measure the resistance of the Fused Accessory Relay Output circuit.
Is the resistance below 10.0 ohms?

All

Yes

→ Go To 3

No

→ Repair the Fused Accessory Relay Output circuit for an open.

Perform BODY VERIFICATION TEST - VER 1.

3

Turn the ignition off.
Disconnect the Rear View Mirror harness connectors (automatic day/night mirror).
Disconnect the Hands Free Module harness connector.
Measure the resistance between ground and the Fused Accessory Relay Output
circuit.
Is the resistance above 1000.0 ohms?

All

Yes

→ Go To 4

No

→ Repair the Fused Accessory Relay Output circuit for a short to

ground.
Perform BODY VERIFICATION TEST - VER 1.

1050

TELECOMMUNICATION

TEST

ACTION

APPLICABILITY

4

Turn the ignition off.
Disconnect the Rear View Mirror harness connectors (automatic day/night mirror).
Disconnect the Hands Free Module harness connector.
Turn the ignition on.
Measure the voltage of the Fused Accessory Relay Output circuit.
Is the voltage below 1.0 volt?

All

Yes

→ Go To 5

No

→ Repair the Fused Accessory Relay Output circuit for a short to

voltage.
Perform BODY VERIFICATION TEST - VER 1.

5

Turn the ignition off.
Disconnect the Rear View Mirror harness connectors (automatic day/night mirror).
Disconnect the Hands Free Module harness connector.
Measure the resistance between the Fused Accessory Relay Output circuit and each
of the other circuits in the rear view mirror connectors.
Is the resistance above 1000 ohms for each measurement?

All

Yes

→ Go To 6

No

→ Repair the Fused Accessory Relay Output circuit for a short to

other circuits.
Perform BODY VERIFICATION TEST - VER 1.

6

Replace the Rear View Mirror in accordance with the Service Information.
Turn the ignition on.
With the DRBIII

t, erase the DTC’s

Attempt to make a phone call using the system.
With the DRBIII

t, read DTCs.

Does the DRBIII

t display this DTC?

All

Yes

→ Inspect the wiring and connectors for damage or shorted circuits.

Repair as necessary. If ok, replace and program the Hands Free
Module in accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Test Complete.

7

NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, wiggle the wiring
harnesses. This is to try and duplicate the failure.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?

All

Yes

→ Repair as necessary.

Perform BODY VERIFICATION TEST - VER 1.

No

→ Test Complete.

1051

TELECOMMUNICATION

MIRROR POWER CIRCUIT SHORT TO GROUND —

Continued

Symptom List:

PCI BUS BUSY
PCI BUS CIRCUIT OPEN
PCI BUS CIRCUIT SHORT TO GROUND
PCI BUS CIRCUIT SHORT TO VOLTAGE

Test Note:

All symptoms listed above are diagnosed using the same tests.

The title for the tests will be PCI BUS BUSY.

When Monitored and Set Condition:

PCI BUS BUSY

When Monitored:

With the ignition on.

Set Condition:

The HFM has detected a fault on the PCI Bus circuit.

PCI BUS CIRCUIT OPEN

When Monitored:

With the ignition on.

Set Condition:

The HFM has detected a fault on the PCI Bus circuit.

PCI BUS CIRCUIT SHORT TO GROUND

When Monitored:

With the ignition on.

Set Condition:

The HFM has detected a fault on the PCI Bus circuit.

PCI BUS CIRCUIT SHORT TO VOLTAGE

When Monitored:

With the ignition on.

Set Condition:

The HFM has detected a fault on the PCI Bus circuit.

POSSIBLE CAUSES

INTERMITTENT CONDITION

1052

TELECOMMUNICATION