Chrysler Pacifica. Manual — part 77
Symptom:
NO ANTENNA CONNECTION
When Monitored and Set Condition:
NO ANTENNA CONNECTION
When Monitored:
With the ignition on and the radio in seek up/down mode.
Set Condition:
With the radio in seek mode for two minutes and the radio does not detect
an antenna connection or does not receive a radio station signal.
POSSIBLE CAUSES
BAD ANTENNA CONNECTION
TEST ANTENNA
RADIO
TEST
ACTION
APPLICABILITY
1
Turn the ignition off.
Disconnect the Radio Antenna connector.
Inspect the Radio Antenna connection.
Was the Antenna connection clean and tight?
All
Yes
→ Go To 2
No
→ Repair Antenna connection as needed.
Perform BODY VERIFICATION TEST - VER 1.
2
Refer to the Audio System in the service information and test the Antenna in
accordance with the service procedure.
Is the Antenna ok?
All
Yes
→ Go To 3
No
→ Repair or replace the Antenna assembly as necessary.
Perform BODY VERIFICATION TEST - VER 1.
3
NOTE: Reconnect all previously disconnected components.
Turn the ignition and Radio on.
NOTE: Move vehicle outside approximately 30ft from any structure.
With the DRBIII
t, erase the audio DTC’s, put the radio in seek up and seek down
mode for approximately 2 minutes before proceeding.
With the DRBIII
t, read the audio DTC’s.
Did this DTC reset?
All
Yes
→ Replace the Radio.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
305
AUDIO
Symptom:
NO COMMUNICATION WITH AMPLIFIER - RADIO
When Monitored and Set Condition:
NO COMMUNICATION WITH AMPLIFIER - RADIO
When Monitored:
With the ignition on.
Set Condition:
The module misses 5 successive periodic messages or has not received an
in frame response after 3 consecutive retries.
POSSIBLE CAUSES
ATTEMPT TO COMMUNICATE WITH THE AMPLIFIER
RADIO
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, attempt to communicate with the Amplifier.
Was the DRBIII
t able to I/D or communicate with the Amplifier?
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 Radio.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
306
AUDIO
Symptom:
NO COMMUNICATION WITH BCM - RADIO
When Monitored and Set Condition:
NO COMMUNICATION WITH BCM - RADIO
When Monitored:
With the ignition on.
Set Condition:
The module misses 5 successive periodic messages or has not received an
in frame response after 3 consecutive retries.
POSSIBLE CAUSES
ATTEMPT TO COMMUNICATE WITH THE BCM
RADIO
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, attempt to communicate with the Body Control Module.
Was the DRBIII
t able to I/D or communicate with the BCM?
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 Radio.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
307
AUDIO
Symptom:
NO COMMUNICATION WITH CD/DVD CHANGER - RADIO
When Monitored and Set Condition:
NO COMMUNICATION WITH CD/DVD CHANGER - RADIO
When Monitored:
With the ignition on.
Set Condition:
The module misses 5 successive periodic messages or has not received an
in frame response after 3 consecutive retries.
POSSIBLE CAUSES
FUSED B+ CIRCUIT OPEN
CD/DVD CHANGER WIRING HARNESS
PCI BUS CIRCUIT OPEN
IGNITION RUN/ACC SIGNAL CIRCUIT OPEN
RADIO GROUND CKT OPEN
CD/DVD CHANGER
TEST
ACTION
APPLICABILITY
1
Turn the ignition off.
Disconnect the CD/DVD Changer harness connector.
Turn the Radio and the CD/DVD Changer on.
Using a 12-volt test light connected to ground, probe the Fused B+ circuit.
Is the test light illuminated?
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 Radio C2 harness connector.
Disconnect the CD/DVD Changer harness connector.
Visually inspect the connectors for damage.
Check for open circuits in the wiring harness between the Radio and the CD/DVD
Changer.
Measure the resistance of the each circuit between the Radio C2 connector and the
CD/DVD Changer connector.
Check for shorted circuits in the wiring harness between the Radio and the CD/DVD
Changer.
Measure the resistance between each circuit at the Radio C2 connector.
Are any of the circuits shorted together or open?
All
Yes
→ Replace/repair the CD/DVD Changer wiring harness.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 3
308
AUDIO
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