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5.4 Loudspeaker System (LS)    >   12 Diagnosis - Complaint Related Diagnostic Chart

Complaint/Problem Possible cause Test step/Remedy 1) Complete sound system does not function Left/right audio power amplifier (N40/3) 23 1.0 Left or right front door speaker group (H4/1 or H4/2) does not function H4/1 or H4/2 Tuner/amplifier (A2/3) Left/right audio power amplifier (N40/3) 23 2.0 Bass speakers do not function H4/7 or H4/8 23 3.0 Bass and rear door speakers do not function Left/right audio power amplifier (N40/3) 23 4.0 Center fill tweeter speaker (H4/11), in mirror base, not functioning H4/11 23 5.0 Individual speaker does not function Speaker Left/right audio power amplifier (N40/3) 23 6.0 Fader switch (R26) does not finction R26 Left/right audio power amplifier (N40/3) 23 7.0 Front - rear stereo effect is offset to one side, even with balance/fader adjustments set to mid-range   23 8.0 1) Observe Preparation for Test, see 22 .