DESCRIPTION
If there is a short in a speaker circuit, the radio and display receiver assembly detects it and stops output to the speakers.
Thus sound cannot be heard from the speakers even if there is no malfunction in the radio and display receiver assembly, telematics transceiver* or speakers.
*: w/ Manual (SOS) Switch
WIRING DIAGRAM
INSPECTION PROCEDURE
Note
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System (w/ Manual (SOS) Switch) Click here.
PROCEDURE
CHECK SPEAKER (OPERATION CHECK)
Enter the "System Check Mode" screen. Refer to Check Speaker in Operation Check Click here.
Perform the operation check above and determine the speaker that is not operating.
| Result | ||||||||
|---|---|---|---|---|---|---|---|---|
|
Tech Tips
If sound cannot be heard from any speaker, inspect all of them.
| B |
|
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEMATICS TRANSCEIVER - FRONT SPEAKER) Click here |
| C |
|
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - REAR SPEAKER ASSEMBLY) Click here |
| A |
|
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - FRONT SPEAKER)
Disconnect the I152 radio and display receiver assembly connector.
Disconnect the I83 and I1 front No. 2 speaker assembly connectors.
Disconnect the J5 and K5 front No. 1 speaker assembly connectors.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | Proceed to |
|---|---|
| NG | A |
| OK | B |
| B |
|
INSPECT FRONT NO. 2 SPEAKER ASSEMBLY Click here |
| A |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEMATICS TRANSCEIVER - FRONT SPEAKER)
Disconnect the I152 radio and display receiver assembly connector.
Disconnect the I83 and I1 front No. 2 speaker assembly connectors.
Disconnect the I218 telematics transceiver connector.
Disconnect the J5 and K5 front No. 1 speaker assembly connectors.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT TELEMATICS TRANSCEIVER
Remove the telematics transceiver Click here.
| *a | Component without harness connected (Telematics Transceiver) |
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE TELEMATICS TRANSCEIVER Click here |
| OK |
|
INSPECT FRONT NO. 2 SPEAKER ASSEMBLY
Remove the front No. 2 speaker assembly.
for TMMK Made: Click here
for TMC, TMMR Made: Click here
Inspect the front No. 2 speaker assembly.
for TMMK Made: Click here
for TMC, TMMR Made: Click here
| NG |
|
INSPECT FRONT NO. 1 SPEAKER ASSEMBLY Click here |
| OK |
|
END (FRONT NO. 2 SPEAKER ASSEMBLY WAS DEFECTIVE)
INSPECT FRONT NO. 1 SPEAKER ASSEMBLY
Remove the front No. 1 speaker assembly.
for TMMK Made: Click here
for TMC, TMMR Made: Click here
Inspect the front No. 1 speaker assembly.
for TMMK Made: Click here
for TMC, TMMR Made: Click here
| NG |
|
END (FRONT NO. 1 SPEAKER ASSEMBLY WAS DEFECTIVE) |
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - REAR SPEAKER ASSEMBLY)
Disconnect the I153 radio and display receiver assembly connector.
Disconnect the O18 and O21 rear speaker assembly connectors.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT REAR SPEAKER ASSEMBLY
Remove the rear speaker assembly.
for TMMK Made: Click here
for TMC, TMMR Made: Click here
Inspect the rear speaker assembly.
for TMMK Made: Click here
for TMC, TMMR Made: Click here
| NG |
|
END (REAR SPEAKER ASSEMBLY WAS DEFECTIVE) |
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here