Toyota Tundra Service Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY (for Standard)

(a) When there is a malfunction such as noise from a speaker or no sound at all, replace the speaker with a new one and check that the malfunction disappears.

OK:

Malfunction disappears.

HINT:

  • Connect the connectors to the front No. 2 speaker assemblies.
  • When there is a possibility that either the right or left front No. 2 speaker assembly is defective, inspect by interchanging the right one with the left one.
  • Perform the inspection above on both the LH and RH sides.

2. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY (for 12 Speakers)

(a) Measure the resistance according to the value(s) in the table below.

Standard resistance:

Tester Connection

Condition

Specified Condition

3 - 4

Always

1.5 to 2.5 Ω

3 - 1

Always

Below 1 Ω

4 - 2

If the result is not as specified, replace the front No. 2 speaker assembly.

Text in Illustration

*a

Component without harness connected

(Front No. 2 Speaker Assembly)

3. INSPECT FRONT NO. 4 SPEAKER ASSEMBLY (for Standard)

(a) Temporarily replace the front No. 4 speaker assembly with a new or normally functioning one.

OK:

Malfunction disappears.

HINT:

Connect the connectors to the front No. 4 speaker assembly.

4. INSPECT FRONT NO. 4 SPEAKER ASSEMBLY (for 12 Speakers)

(a) Measure the resistance according to the value(s) in the table below.

Standard resistance:

Tester Connection

Condition

Specified Condition

1 - 2

Always

1.5 to 2.1 Ω

If the result is not as specified, replace the front No. 4 speaker assembly.

Text in Illustration

*a

Component without harness connected

(Front No. 4 Speaker Assembly)

    Components

    Installation

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