Speaker: Testing and Inspection

AUDIO / VISUAL: ROOF SPEAKER (for Access Cab): ON-VEHICLE INSPECTION

1. INSPECT ROOF SPEAKER ASSEMBLY





HINT
Remove interior parts so that the roof speaker can be seen.

(a) Check the speaker installation.

OK:

The speaker is securely installed.

(b) If the result is not as specified, replace the roof headlining assembly.

HINT
Because the roof speaker cannot be removed individually, replace the entire roof headlining assembly.

(c) Visually check the speaker.

OK:

The metal arm of speaker is not bent.

The screw of speaker is not loosened.

(d) If the result is not as specified, replace the roof headlining assembly.

HINT
Because the roof speaker cannot be removed individually, replace the entire roof headlining assembly.

(e) Check the resistance.

(1) Disconnect the speaker connector.

(2) Using an ohmmeter, measure the resistance between the terminals.

Standard resistance:





(3) If the result is not as specified, replace the roof headlining assembly.

HINT
Because the roof speaker cannot be removed individually, replace the entire roof headlining assembly.