Lexus NX: Inspection

Lexus NX Service Manual / Audio & Visual & Telematics / Audio / Video / Rear Door Speaker / Inspection

INSPECTION

PROCEDURE

1. INSPECT REAR SPEAKER ASSEMBLY

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

Standard Resistance:

for 8 Speakers

Tester Connection	Condition	Specified Condition
1 - 2	Always	4 Ω

for 10 Speakers

Tester Connection	Condition	Specified Condition
1 - 2	Always	4 Ω

for 14 Speakers

Tester Connection	Condition	Specified Condition
1 - 2	Always	3.6 to 5.6 Ω

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

*a	Component without harness connected (Rear Speaker Assembly)

2. INSPECT REAR NO. 2 SPEAKER ASSEMBLY

(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 rear No. 2 speaker assemblies.
When there is a possibility that either the right or left rear 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.

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DESCRIPTION The main body ECU (multiplex network body ECU) detects whether either rear door is open or closed based on the condition of the left and right courtesy light switches and then sends the rear door status signal to the combination meter assembly. The combination meter assembly detects the

Lexus NX: Inspection

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