Operation CHARM: Car repair manuals for everyone.

No Sound From Left Rear Speaker






*NO SOUND FROM LEFT REAR SPEAKER









Diagnostic Test
MEASURE LEFT REAR SPEAKER CIRCUIT RESISTANCE





Turn the ignition off.

Disconnect the Power Amplifier harness connector.

NOTE: Check connectors - Clean/repair as necessary.

Disconnect the Left Rear Speaker harness connector.

NOTE: Check connectors - Clean/repair as necessary.

Connect a jumper wire between cavity 1 and cavity 2 of the Left Rear Speaker harness connector.

Measure the resistance between cavity 6 (connector B) and cavity 16 (connector B) of the Power Amplifier harness connector.

Is the resistance below 5.0 ohms?

Yes

- Go to

No

- Repair the Amplified Left Rear Speaker (+) or (-) circuit for an open.
- Perform BODY VERIFICATION TEST. Body Verification Test

MEASURE LEFT REAR SPEAKER CIRCUIT RESISTANCE





With the ignition off.

Connect a jumper wire between cavity 3 and cavity 4 of the Left Rear Speaker harness connector.

Measure the resistance between cavity 12 (connector B) and cavity 4 (connector B) of the Power Amplifier harness connector.

Is the resistance below 5.0 ohms?

Yes

- Replace the Left Rear Speaker.
- Perform BODY VERIFICATION TEST. Body Verification Test

No

- Repair the Left Rear Speaker Ground circuit or Supply Voltage circuit for an open.
- Perform BODY VERIFICATION TEST. Body Verification Test