Dodge Dakota (ND). Manual — part 142

B140A-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT HIGH (CONTINUED)

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:

•

Set Condition:

Possible Causes

SPEAKER

(X51) SPEAKER OUTPUT CIRCUIT (+)

(X57) SPEAKER OUTPUT CIRCUIT (-)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.

Diagnostic Test

1.

INTERMITTENT CONDITION

Turn the ignition on, then off, and then on again.

With the scan tool, read Radio DTCs.

Does the scan tool display active: B140A-REAR LEFT AUDIO
SPEAKER OUTPUT CIRCUIT HIGH?

Yes

>> Go To 2

No

>> The conditions that caused this code to set are not

present at this time. Using the wiring diagram/schematic
as a guide, inspect the wiring and connectors.

Perform BODY VERIFICATION TEST VER-1.

8A - 26

AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS

ND

B140A-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT HIGH (CONTINUED)

2.

CHECK FOR VOLTAGE ON THE (X51) SPEAKER (+) CIRCUIT

Turn the ignition off.

Disconnect the Radio C1 harness connector.

Disconnect the Left Rear Speaker harness connector.

Measure for voltage on the (X51) Speaker (+) circuit.

Is the voltage above 10.0 volts?

Yes

>> Repair the (X51) Speaker (+) circuit for a short to voltage.

Perform BODY VERIFICATION TEST VER-1.

No

>> Go To 3

ND

AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS

8A - 27

B140A-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT HIGH (CONTINUED)

3.

CHECK FOR VOLTAGE ON THE (X57) SPEAKER (-) CIRCUIT

Measure for voltage on the (X57) Speaker (-) circuit.

Is the voltage above 10.0 volts?

Yes

>> Repair the (X57) Speaker (-) circuit for a short to voltage.

Perform BODY VERIFICATION TEST VER-1.

No

>> Replace the Radio in accordance with the service informa-

tion.

Perform BODY VERIFICATION TEST VER-1.

8A - 28

AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS

ND

B140B-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT OPEN

ND

AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS

8A - 29