Dodge Ram Truck 1500-2500-3500. Manual — part 255

RIGHT REAR CHANNEL SHORT ACROSS

For the Audio system circuit diagram (Refer to 8 - ELECTRICAL/AUDIO - SCHEMATICS AND DIAGRAMS).

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
When the DRBIII

T

performs the Speaker Output test.

•

Set Condition:
When the Right Rear Speaker circuit is shorted.

Possible Causes

RIGHT REAR CHANNEL SHORT ACROSS

AMPLIFIER

RIGHT REAR SPEAKER CIRCUITS SHORTED

1.

RIGHT REAR CHANNEL SHORT ACROSS

NOTE: NOTE: The fault condition must be present to continue
diagnosis. Use the DRBIII

T

to perform the Amplifier pretest to ver-

ify the fault condition is present before continuing diagnosis.
Turn the ignition off.

Access and disconnect the Right Rear Speaker harness connector.

Turn the ignition on.

With the DRBIII

T

, perform the Amplifier pretest.

Is the fault condition still present?

Yes

>> Go To 2

No

>> Replace the Right Rear Speaker in accordance with the

Service Information.

Perform BODY VERIFICATION TEST - VER 1.

2.

RIGHT REAR SPEAKER CIRCUITS SHORTED

Turn the ignition off.

Access and disconnect the Right Rear Speaker harness connector.

Access and disconnect the Amplifier C2 harness connector.

Measure the resistance of the Right Rear Speaker (+) and (-) circuits.

Is the resistance below 5.0 ohms?

Yes

>> Repair the Right Rear Speaker (+) and (-) circuits for a

short together.

Perform BODY VERIFICATION TEST - VER 1.

No

>> Replace the Amplifier in accordance with the Service Infor-

mation.

Perform BODY VERIFICATION TEST - VER 1.

8A - 22

AUDIO - ELECTRICAL DIAGNOSTICS

DR/DH

RIGHT FRONT I/P AND LEFT FRONT DOOR CHANNELS SHORT ACROSS

For the Audio system circuit diagram (Refer to 8 - ELECTRICAL/AUDIO - SCHEMATICS AND DIAGRAMS).

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
When the DRBIII

T

performs the Speaker Output test.

•

Set Condition:
When the Right Front I/P Speaker and Left Front Door Speaker circuits are simultaneously shorted.

Possible Causes

RIGHT FRONT I/P AND LEFT FRONT DOOR CHANNELS SHORTED ACROSS

RIGHT FRONT I/P AND LEFT FRONT DOOR SPEAKER CIRCUITS SHORTED

RIGHT FRONT IP SPEAKER AND THE LEFT FRONT DOOR SPEAKER

AMPLIFIER

1.

RIGHT FRONT I/P AND LEFT FRONT DOOR CHANNELS SHORTED ACROSS

NOTE: NOTE: The fault condition must be present to continue
diagnosis. Use the DRBIII

T

to perform the Amplifier pretest to ver-

ify the fault condition is present before continuing diagnosis.

NOTE: NOTE: Amplifier speaker circuits are both shorted simul-
taneously.
Turn the ignition off.

Access and disconnect the Right Front I/P and Left Front Door
Speaker harness connectors.

Turn the ignition on.

With the DRBIII

T

, perform the Amplifier pretest.

Is the fault condition still present?

Yes

>> Go To 2

No

>> Replace the Right Front I/P and Left Front Door Speakers

in accordance with the Service Information.

Perform BODY VERIFICATION TEST - VER 1.

DR/DH

AUDIO - ELECTRICAL DIAGNOSTICS

8A - 23

RIGHT FRONT I/P AND LEFT FRONT DOOR CHANNELS SHORT ACROSS (CONTINUED)

2.

RIGHT FRONT I/P AND LEFT FRONT DOOR SPEAKER CIRCUITS SHORTED

Turn the ignition off.

Access and disconnect the Right Front I/P Speaker harness connector.

Access and disconnect the Left Front Door Speaker harness connec-
tor.

Access and disconnect the Amplifier C2 harness connector.

Measure the resistance of the Right Front I/P Speaker (+) and (-) cir-
cuits.

Measure the resistance of the Left Front Door Speaker (+) and (-) cir-
cuits.

Is the resistance below 5.0 ohms on each measurement?

Yes

>> Repair both Speaker (+) and (-) circuits for a short

together.

Perform BODY VERIFICATION TEST - VER 1.

No

>> Replace the Amplifier in accordance with the Service Infor-

mation.

Perform BODY VERIFICATION TEST - VER 1.

8A - 24

AUDIO - ELECTRICAL DIAGNOSTICS

DR/DH

RIGHT FRONT I/P AND RIGHT FRONT DOOR CHANNELS SHORT ACROSS

For the Audio system circuit diagram (Refer to 8 - ELECTRICAL/AUDIO - SCHEMATICS AND DIAGRAMS).

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
When the DRBIII

T

performs the Speaker Output test.

•

Set Condition:
When the Right Front I/P Speaker and Right Front Door Speaker circuits are simultaneously shorted.

Possible Causes

RIGHT FRONT I/P AND RIGHT FRONT DOOR CHANNELS SHORTED ACROSS

RIGHT FRONT IP SPEAKER AND RIGHT FRONT DOOR SPEAKER

RIGHT FRONT I/P AND RIGHT FRONT DOOR SPEAKER CIRCUITS SHORTED

AMPLIFIER

1.

RIGHT FRONT I/P AND RIGHT FRONT DOOR CHANNELS SHORTED ACROSS

NOTE: NOTE: The fault condition must be present to continue
diagnosis. Use the DRBIII

T

to perform the Amplifier pretest to ver-

ify the fault condition is present before continuing diagnosis.

NOTE: NOTE: Amplifier speaker circuits are both shorted simul-
taneously.
Turn the ignition off.

Access and disconnect the Right Front I/P and Right Front Door
Speaker harness connectors.

Turn the ignition on.

With the DRBIII

T

, perform the Amplifier pretest.

Is the fault condition still present?

Yes

>> Go To 2

No

>> Replace the Right Front I/P and Right Front Door Speakers in accordance with the Service Information.

Perform BODY VERIFICATION TEST - VER 1.

DR/DH

AUDIO - ELECTRICAL DIAGNOSTICS

8A - 25