Chrysler Voyager. Manual — part 190

TEST

ACTION

APPLICABILITY

2

Turn the ignition off.
Install a substitute relay in place of the NBS Relay.
With the DRB, erase DTCs.
Turn the ignition on.
Turn the Radio on.
With the DRB, read DTCs.
Did these DTCs reset?

All

Yes

→ Go To 3

No

→ Replace the original NBS Relay.

Perform BODY VERIFICATION TEST - VER 1.

3

Turn the ignition off.
Remove the Front Control Module from the IPM.
Remove the NBS Relay from the IPM.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the NBS Relay connector cavity
85.
Is the test light illuminated?

All

Yes

→ Replace the power distribution center portion of the IPM in

accordance with the service information.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Replace the Front Control Module in accordance with the Service

Information.
Perform BODY VERIFICATION TEST - VER 1.

187

AUDIO

NBS OUTPUT 1 SHORT TO BATT —

Continued

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 or scan 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.
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.

188

AUDIO

Symptom:

POWER AMP SHUTDOWN

When Monitored and Set Condition:

POWER AMP SHUTDOWN

When Monitored:

Ignition in RUN and IOD fuse installed.

Set Condition:

The radio has sensed a short on the output for more than 10 seconds.

POSSIBLE CAUSES

DETERMINE FAULT

FRONT SHORTED SPEAKER

REAR SHORTED SPEAKER

(+) CIRCUIT SHORTED TO GROUND

(-) CIRCUIT SHORTED TO GROUND

SPEAKER (+) & (-) CIRCUITS SHORTED TOGETHER

SPEAKER SECTION OF RADIO

TEST

ACTION

APPLICABILITY

1

Turn the ignition on.
Turn the Radio on.
With the DRBIII

t, erase the audio DTC’s.

Cycle the ignition switch from off to on and wait 10 seconds.
With the DRBIII

t, read the audio DTC’s.

Does the DRBIII

t display POWER AMP SHUTDOWN?

All

Yes

→ Go To 2

No

→ Refer to the wiring diagrams located in the service information to

help isolate a possible intermittent short.
Perform BODY VERIFICATION TEST - VER 1.

189

AUDIO

TEST

ACTION

APPLICABILITY

2

Turn the ignition off.
NOTE: Perform this procedure after disconnecting each front speaker
connector.
Disconnect each front speaker harness connector one at a time.
Turn the ignition on.
Turn the radio on.
With the DRBIII

t, erase the audio DTCs.

Cycle the ignition switch from off to on and wait 10 seconds.
With the DRBIII

t, read DTC’s.

Does the DRBIII

t display POWER AMP SHUTDOWN with all the front speakers

disconnected?

All

Yes

→ Go To 3

No

→ Replace the Speaker that when disconnected the DTC did not

reset. Note: On the premium system, check the I/P speaker
circuits between the front door speaker and the I/P speaker for a
short to ground or shorted together condition before replacing
speaker.
Perform BODY VERIFICATION TEST - VER 1.

3

Turn the ignition off.
NOTE: Perform this procedure after disconnecting each rear speaker
connector.
Disconnect each rear speaker harness connector one at a time.
Turn the ignition on.
Turn the radio on.
With the DRBIII

t, erase the audio DTCs.

Cycle the ignition switch from off to on and wait 10 seconds.
With the DRBIII

t, read DTC’s.

Does the DRBIII

t display POWER AMP SHUTDOWN with all the rear speakers

disconnected?

All

Yes

→ Go To 4

No

→ Replace Speaker that when disconnected the DTC did not reset.

Note: On the premium system, check the rear speaker ckts
between the rear door speaker and the rear pillar speaker for a
short to ground or shorted together condition before replacing
speaker.
Perform BODY VERIFICATION TEST - VER 1.

4

Turn the ignition off.
Disconnect each front and rear speaker harness connector.
Disconnect the Radio C1 harness connector.
Measure the resistance between ground and each speaker (+) circuit.
Is the resistance below 1000.0 (1K) ohms?

All

Yes

→ Repair the speaker (+) circuit for a short to ground.

Perform BODY VERIFICATION TEST - VER 1.

No

→ Go To 5

190

AUDIO

POWER AMP SHUTDOWN —

Continued