Left Rear Channel Shorted Across

LEFT REAR CHANNEL SHORT ACROSS

WHEN MONITORED
When the DRBIII(R) performs the Speaker Output test.

SET CONDITION
When the Left Rear Speaker circuit is shorted.

POSSIBLE CAUSES
- Left rear channel short across
- Left rear speaker circuits shorted
- Amplifier

1. LEFT REAR CHANNEL SHORT ACROSS

NOTE: The fault condition must be present to continue diagnosis. Use the DRBIII(R) to perform the Amplifier pretest to verify the fault condition is present before continuing diagnosis.

Turn the ignition off.
Access and disconnect the Left Rear Speaker harness connector.
Turn the ignition on.
With the DRBIII(R), perform the Amplifier pretest.

Q: Is the fault condition still present? '

YES: Go To 2
NO: Replace the Left Rear Speaker. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

2. LEFT REAR SPEAKER CIRCUITS SHORTED
Turn the ignition off.
Access and disconnect the Left Rear Speaker harness connector.
Access and disconnect the Amplifier C2 harness connector.
Measure the resistance of the Left Rear Speaker (+) and (-) circuits.

Q: Is the resistance below 5.0 ohms?

YES: Repair the Left Rear Speaker (+) and (-) circuits for a short together. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Replace the Amplifier. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test