Inspection

1. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY (for 6 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) Measure the resistance of the speaker. Standard Resistance: Tester Connection Condition Specified Condition 2 (TWR+) - 4 (TWR-) Always 10 kΩ or higher 1 (+) - 2 (TWR+) Always Below 1 Ω 3 (-) - 4 (TWR-) Always Below 1 Ω 2 (TWL+) - 4 (TWL-) Always 10 kΩ or higher 1 (+) - 2 (TWL+) Always Below 1 Ω 3 (-) - 4 (TWL-) Always Below 1 Ω If the result is not as specified, replace the speaker. Text in Illustration *A for RH *B for LH *a Component without harness connected (Front No. 2 Speaker Assembly)

(d) 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.

2. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY (for 13 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) Measure the resistance of the speaker. Standard Resistance: Tester Connection Condition Specified Condition 1 (TWR+) - 2 (TWR-) Always 1.5 to 2.5 Ω 1 (TWR+) - 3 (+) Always Below 1 Ω 2 (TWR-) - 4 (-) Always Below 1 Ω 1 (TWL+) - 2 (TWL-) Always 1.5 to 2.5 Ω 1 (TWL+) - 3 (+) Always Below 1 Ω 2 (TWL-) - 4 (-) Always Below 1 Ω If the result is not as specified, replace the speaker. Text in Illustration *A for RH *B for LH *a Component without harness connected (Front No. 2 Speaker Assembly)

3. INSPECT FRONT NO. 3 SPEAKER ASSEMBLY (for 13 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) Measure the resistance of the speaker. Standard Resistance: Tester Connection Condition Specified Condition 2 - 3 Always 10 kΩ or higher If the result is not as specified, replace the speaker. Text in Illustration *a Component without harness connected (Front No. 3 Speaker Assembly)

(d) 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.

4. INSPECT FRONT NO. 4 SPEAKER ASSEMBLY (for 13 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) Measure the resistance of the speaker. Standard Resistance: Tester Connection Condition Specified Condition 1 - 2 Always 1.5 to 2.5 Ω If the result is not as specified, replace the speaker. Text in Illustration *a Component without harness connected (Front No. 4 Speaker Assembly)