Galant L4-2.4L (4G69) (2004)
STEP 15. Check rear speaker (LH) connector D-12 and radio and CD player connector C-111 for loose, corroded or damaged terminals, or
terminals pushed back in the connector.
Q: Are harness connectors D-12 and C-111 in good condition?
YES: Go to Step 16.
NO: Repair or replace the component(s). Refer to Harness Connector Inspection. The rear speaker (LH) should sound.