5.4 - Loudspeaker system (LS) 12 - Diagnosis - Troubleshooting chart Model 140 with MB radio

Complaint

Possible cause

Remedy/test step 1)

Loudspeaker (H4/1) in front left door and loudspeaker (H4/9) in left instrument panel does not function

H4/1 or H4/9

Radio (A2)

 23  1.0

Loudspeaker (H4/2) in front right door and loudspeaker (H4/10) in right instrument panel does not function

H4/2 or H4/10

Radio (A2)

 23  2.0

Up to 02/96:

Left rear loudspeaker (H4/7) in parcel shelf inoperative

As of 03/96:

Left rear door loudspeaker (H4/3) and left rear (H4/7) in parcel shelf

H4/7 or H3/4

Radio (A2)

 23  3.0

Up to 02/96:

Right rear loudspeaker (H4/8) in parcel shelf inoperative

As of 03/96:

Right rear door loudspeaker (H4/4) and right rear (H4/8) in parcel shelf

H4/8 or H4/4

Radio (A2)

 23  4.0

Loudspeaker (H4/9) in left instrument panel does not function

H4/9

 23  5.0

Loudspeaker (H4/10) in right instrument panel does not function

H4/10

 23  6.0