Chrysler Pacifica. Manual — part 265
TEST
ACTION
APPLICABILITY
7
Turn the ignition off.
Disconnect the Rear View Mirror harness connector.
Disconnect the Hands Free Module harness connector.
Measure the resistance between Sensor Ground and the VR/Phone Switch Signal
circuit at the Rear View Mirror harness connector.
Is the resistance above 1000.0 ohms?
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
→ Repair the VR/Phone Switch Signal circuit for a short to the
Sensor Ground circuit.
Perform BODY VERIFICATION TEST - VER 1.
1057
TELECOMMUNICATION
PHONE SWITCH STUCK —
Continued
Symptom:
PRNDL MESSAGE NOT RECEIVED
When Monitored and Set Condition:
PRNDL MESSAGE NOT RECEIVED
When Monitored:
With the ignition on.
Set Condition:
The Hands Free Module does not receive a gear selector message from the
PCM/TCM.
POSSIBLE CAUSES
ATTEMPT TO COMMUNICATE WITH THE PCM (TCM)
MODULE
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, attempt to communicate with the PCM (TCM).
Was the DRBIII
t able to I/D or communicate with the PCM?
All
Yes
→ Go To 2
No
→ Refer to the Communication category for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
2
With the DRBIII
t, erase DTC’s.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRBIII
t, read DTC’s.
Did this DTC reset?
All
Yes
→ Replace the Hands Free Module in accordance with the service
information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
1058
TELECOMMUNICATION
Symptom List:
RIGHT AUDIO OUTPUT 1 SHORT TO GROUND
RIGHT AUDIO OUTPUT 1 SHORT TO VOLTAGE
Test Note:
All symptoms listed above are diagnosed using the same tests.
The title for the tests will be RIGHT AUDIO OUTPUT 1
SHORT TO GROUND.
When Monitored and Set Condition:
RIGHT AUDIO OUTPUT 1 SHORT TO GROUND
When Monitored:
With the ignition on.
Set Condition:
The Hands Free Module detects a short to ground on the Right Audio
Output circuit.
RIGHT AUDIO OUTPUT 1 SHORT TO VOLTAGE
When Monitored:
With the ignition on.
Set Condition:
The Hands Free Module detects a short to voltage on the Right Audio
Output circuit.
POSSIBLE CAUSES
HANDS FREE MODULE
LEFT AUDIO OUTPUT AND RIGHT AUDIO OUTPUT CIRCUITS SHORTED TOGETHER
RIGHT AUDIO OUTPUT CIRCUIT OPEN
RIGHT AUDIO OUTPUT CIRCUIT SHORT TO GROUND
RIGHT AUDIO OUTPUT CIRCUIT SHORT TO VOLTAGE
INTERMITTENT CONDITION
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, erase HFM DTCs.
Attempt to make a phone call using the system.
With the DRBIII
t, read HFM DTCs.
Does the DRBIII
t display this DTC?
All
Yes
→ Go To 2
No
→ Go To 6
1059
TELECOMMUNICATION
TEST
ACTION
APPLICABILITY
2
Turn the ignition off.
Disconnect the Amplifier C2 harness connector.
Disconnect the Hands Free Module harness connector.
Measure the resistance of the Right Audio Output circuit.
Is the resistance below 10.0 ohms?
All
Yes
→ Go To 3
No
→ Repair the Right Audio Output circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
3
Turn the ignition off.
Disconnect the Amplifier C2 harness connector.
Disconnect the Hands Free Module harness connector.
Measure the resistance between ground and the Right Audio Output circuit.
Is the resistance above 1000.0 ohms?
All
Yes
→ Go To 4
No
→ Repair the Right Audio Output circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
4
Turn the ignition off.
Disconnect the Amplifier C2 harness connector.
Disconnect the Hands Free Module harness connector.
Turn the ignition on.
Measure the voltage of the Right Audio Output circuit.
Is the voltage below 1.0 volt?
All
Yes
→ Go To 5
No
→ Repair the Right Audio Output circuit for a short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
5
Turn the ignition off.
Disconnect the Amplifier C2 harness connector.
Disconnect the Hands Free Module harness connector.
Measure the resistance between the Left Audio Output circuit and the Right Audio
Output circuit.
Is the resistance above 1000 ohms?
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
→ Repair the Left Audio Output circuit for a short to the Right Audio
Output circuit.
Perform BODY VERIFICATION TEST - VER 1.
1060
TELECOMMUNICATION
RIGHT AUDIO OUTPUT 1 SHORT TO GROUND —
Continued
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