Lexus ES manuals

Lexus ES: Inspection

INSPECTION

PROCEDURE

1. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY

(a) With the speaker installed, check that there is no looseness or other abnormalities.

(b) Check that there is no foreign matter in the speaker, no tears on the speaker cone or other abnormalities.

(c) Measure the resistance of the speaker.

Standard Resistance:

for 10 Speakers

Tester Connection

Condition

Specified Condition

1 (WF-) - 2 (WF+)

Always

3.2 to 4.8 Ω

for 17 Speakers

Tester Connection

Condition

Specified Condition

1 (WF-) - 2 (WF+)

Always

3.0 to 4.4 Ω

If the result is not as specified, replace the speaker.

*a

Component without harness connected

(Front No. 1 Speaker Assembly)

2. INSPECT FRONT NO. 4 SPEAKER ASSEMBLY (for 17 Speakers)

(a) With the speaker installed, check that there is no looseness or other abnormalities.

(b) Check that there is no foreign matter in the speaker, no tears on the speaker cone or other abnormalities.

(c) When there is a possibility that either the right or left speaker is malfunctioning, interchange the speakers and perform an inspection. If the malfunction disappears after interchanging the speakers, replace the malfunctioning speaker.

HINT:

Connect all connectors to the speakers when performing an inspection. If the result is not as specified, replace the speaker.

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