Part 2

AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (w/ Navigation System): Speaker Circuit
- Speaker Circuit

11. CHECK HARNESS AND CONNECTOR

(a) Disconnect the connectors from the stereo component amplifier assembly, DCM (telematics transceiver)*1 and speakers.

*1: w/ Manual (SOS) Switch

(b) Measure the resistance between the front No. 1 speaker LH and the stereo component amplifier assembly to check for an open circuit in the wire harness.

Standard Resistance:





(c) w/o Manual (SOS) Switch

Measure the resistance between the front No. 1 speaker RH and the stereo component amplifier assembly to check for an open circuit in the wire harness.

Standard Resistance:





(d) w/ Manual (SOS) Switch

Measure the resistance between the DCM (telematics transceiver) and the stereo component amplifier assembly to check for an open circuit in the wire harness.

Standard Resistance:





(e) w/ Manual (SOS) Switch

Measure the resistance between the front No. 1 speaker RH and the DCM (telematics transceiver) to check for an open circuit in the wire harness.

Standard Resistance:





(f) Measure the resistance between each of the front No. 2 speakers and the stereo component amplifier assembly to check for an open circuit in the wire harness.

Standard Resistance:





(g) Measure the resistance between the front No. 3 speaker and the stereo component amplifier assembly to check for an open circuit in the wire harness.

Standard Resistance:





(h) Measure the resistance between each of the rear No. 2 speakers and the stereo component amplifier assembly to check for an open circuit in the wire harness.

Standard Resistance:





(i) Measure the resistance between each of the rear No. 2 speakers and the rear speakers to check for an open circuit in the wire harness.

Standard Resistance:





(j) Measure the resistance between the rear stereo component speaker and the stereo component amplifier assembly to check for an open circuit in the wire harness.

Standard Resistance:





(k) Measure the resistance between each of the rear No. 3 speakers and the stereo component amplifier assembly to check for an open circuit in the wire harness.

Standard Resistance:





(l) Measure the resistance between the stereo component amplifier assembly and body ground to check for a short circuit in the wire harness.

Standard Resistance:





(m) Measure the resistance between each of the rear No. 2 speakers and body ground to check for a short circuit in the wire harness.

Standard Resistance:





(n) w/ Manual (SOS) Switch

Measure the resistance between each of the front No. 1 speaker RH and body ground to check for a short circuit in the wire harness.

Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

12. INSPECT FRONT NO. 1 SPEAKER

(a) Resistance check





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

Standard Resistance:





Text in Illustration





NG -- REPLACE FRONT NO. 1 SPEAKER Removal
OK -- Continue to next step.

13. INSPECT FRONT NO. 2 SPEAKER

(a) Resistance check





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

Standard Resistance:





Text in Illustration





NG -- REPLACE FRONT NO. 2 SPEAKER Removal
OK -- Continue to next step.

14. INSPECT FRONT NO. 3 SPEAKER

(a) Resistance check





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

Standard Resistance:





Text in Illustration





NG -- REPLACE FRONT NO. 3 SPEAKER Removal
OK -- Continue to next step.

15. INSPECT REAR SPEAKER

(a) Resistance check





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

Standard Resistance:





Text in Illustration





NG -- REPLACE REAR SPEAKER Removal
OK -- Continue to next step.

16. INSPECT REAR NO. 2 SPEAKER

(a) Resistance check





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

Standard Resistance:





Text in Illustration





NG -- REPLACE REAR NO. 2 SPEAKER Removal
OK -- Continue to next step.

17. REPLACE REAR NO. 2 SPEAKER

(a) Check that the malfunction disappears when a known good speaker is installed Removal.

OK:

Malfunction disappears.

HINT
* Connect all the connectors to the rear No. 2 speakers that were disconnected.
* When there is a possibility that either the right or left rear speaker is defective, inspect by interchanging the right one with the left one.
* Perform the above inspection on both LH and RH sides.

NG -- INSPECT REAR NO. 3 SPEAKER

OK -- END (REAR NO. 2 SPEAKER WAS DEFECTIVE)

18. INSPECT REAR NO. 3 SPEAKER

(a) Resistance check





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

Standard Resistance:





Text in Illustration





NG -- REPLACE REAR NO. 3 SPEAKER Removal
OK -- Continue to next step.

19. INSPECT REAR STEREO COMPONENT SPEAKER

(a) Resistance check





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

Standard Resistance:





Text in Illustration





(b) Proceed to the next step based on the inspection result.

Result:





C -- REPLACE REAR STEREO COMPONENT SPEAKER Removal

B -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Problem Symptoms Table
A -- Continue to next step.

20. INSPECT DCM (TELEMATICS TRANSCEIVER)

(a) Resistance check





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

Standard Resistance:





Text in Illustration





NG -- REPLACE DCM (TELEMATICS TRANSCEIVER) Removal

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Problem Symptoms Table