Operation CHARM: Car repair manuals for everyone.
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Shorted Rear Channel

Tests 1 - 2:




Tests 3 - 7:




Test 8:




SYMPTOM
SHORTER REAR CHANNEL

WHEN MONITORED
Monitored any time the radio is turned ON

SET CONDITION
The radio has sensed a short on it's rear output channel.

POSSIBLE CAUSES
- Rear input short to amplifier
- Left rear speaker (+) circuit shorted to ground
- Left rear speaker (-) circuit shorted to ground
- Right rear speaker (+) circuit shorted to ground
- Right rear speaker (-) circuit shorted to ground
- Left rear speaker circuits shorted together
- Right rear speaker circuits shorted together
- Radio output rear section shorted