DESCRIPTION
for 6 Speakers:
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
for 12 Speakers:
If there is a short in a speaker circuit, the stereo component amplifier 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 stereo component amplifier assembly, telematics transceiver or speakers.
WIRING DIAGRAM
for 6 Speakers
for 12 Speakers
CAUTION / NOTICE / HINT
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 Navigation System.
PROCEDURE
CONFIRM MODEL
Choose the model to be inspected.
| Result | ||||||
|---|---|---|---|---|---|---|
|
| B |
|
CHECK SPEAKER (OPERATION CHECK) Click here |
| A |
|
CHECK SPEAKER (OPERATION CHECK)
Enter the "System Check Mode" screen. Refer to Check Speaker in Operation Check.
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 NO. 2 SPEAKER ASSEMBLY) 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 NO. 1 SPEAKER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY)
Disconnect the F69 radio and display receiver assembly connector.
Disconnect the H3 and I3 front No. 1 speaker assembly connectors.
Disconnect the G1 and G5 front No. 2 speaker assembly connectors.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT FRONT NO. 1 SPEAKER ASSEMBLY
Remove the front No. 1 speaker assembly.
Inspect the front No. 1 speaker assembly.
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here |
| OK |
|
REPLACE FRONT NO. 2 SPEAKER ASSEMBLY
Remove the front No. 2 speaker assembly.
Inspect the front No. 2 speaker assembly.
| OK |
|---|
| Malfunction disappears. |
| Result | |||
|---|---|---|---|
|
| OK |
|
END |
| NG |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEMATICS TRANSCEIVER - FRONT NO. 2 SPEAKER ASSEMBLY)
Disconnect the F69 radio and display receiver assembly connector.
Disconnect the G1 and G5 front No. 2 speaker assembly connectors.
Disconnect the F140 telematics transceiver connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK HARNESS AND CONNECTOR (FRONT NO. 1 SPEAKER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY)
Disconnect the H3 and I3 front No. 1 speaker assembly connectors.
Disconnect the G1 and G5 front No. 2 speaker assembly connectors.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT FRONT NO. 1 SPEAKER ASSEMBLY
Remove the front No. 1 speaker assembly.
Inspect the front No. 1 speaker assembly.
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here |
| OK |
|
REPLACE FRONT NO. 2 SPEAKER ASSEMBLY
Remove the front No. 2 speaker assembly.
Inspect the front No. 2 speaker assembly.
| OK |
|---|
| Malfunction disappears. |
| Result | |||
|---|---|---|---|
|
| OK |
|
END |
| NG |
|
INSPECT TELEMATICS TRANSCEIVER
Remove the telematics transceiver.
| *a | Component without harness connected (Telematics Transceiver) |
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here |
| NG |
|
REPLACE TELEMATICS TRANSCEIVER Click here |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - REAR SPEAKER ASSEMBLY)
Disconnect the F70 radio and display receiver assembly connector.
Disconnect the K4 and J4 rear speaker assembly connectors.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT REAR SPEAKER ASSEMBLY
Remove the rear speaker assembly.
Inspect the rear speaker assembly.
| Result | |||
|---|---|---|---|
|
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here |
| NG |
|
REPLACE REAR SPEAKER ASSEMBLY Click here |
CHECK SPEAKER (OPERATION CHECK)
Enter the "System Check Mode" screen. Refer to Check Speaker in Operation Check.
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 (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 3 SPEAKER ASSEMBLY) Click here |
| C |
|
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - REAR SPEAKER ASSEMBLY) Click here |
| D |
|
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - REAR NO. 3 SPEAKER ASSEMBLY) Click here |
| E |
|
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - TELEMATICS TRANSCEIVER - FRONT NO. 2 SPEAKER ASSEMBLY) Click here |
| F |
|
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - REAR NO. 2 SPEAKER ASSEMBLY) Click here |
| A |
|
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 1 SPEAKER ASSEMBLY)
Disconnect the F75 stereo component amplifier assembly connector.
Disconnect the H3 and I3 front No. 1 speaker assembly connectors.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT FRONT NO. 1 SPEAKER ASSEMBLY
Remove the front No. 1 speaker assembly.
Inspect the front No. 1 speaker assembly.
| Result | |||
|---|---|---|---|
|
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here |
| NG |
|
REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here |
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 3 SPEAKER ASSEMBLY)
Disconnect the F75 stereo component amplifier assembly connector.
Disconnect the G3 front No. 3 speaker assembly connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT FRONT NO. 3 SPEAKER ASSEMBLY
Remove the front No. 3 speaker assembly.
Inspect the front No. 3 speaker assembly.
| Result | |||
|---|---|---|---|
|
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here |
| NG |
|
REPLACE FRONT NO. 3 SPEAKER ASSEMBLY Click here |
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - REAR SPEAKER ASSEMBLY)
Disconnect the F75 stereo component amplifier assembly connector.
Disconnect the J4 and K4 rear speaker assembly connectors.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT REAR SPEAKER ASSEMBLY
Remove the rear speaker assembly.
Inspect the rear speaker assembly.
| Result | |||
|---|---|---|---|
|
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here |
| NG |
|
REPLACE REAR SPEAKER ASSEMBLY Click here |
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - REAR NO. 3 SPEAKER ASSEMBLY)
Disconnect the F75 stereo component amplifier assembly connector.
Disconnect the X23 and X5 rear No. 3 speaker assembly connectors.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT REAR NO. 3 SPEAKER ASSEMBLY
Remove the rear No. 3 speaker assembly.
Inspect the rear No. 3 speaker assembly.
| Result | |||
|---|---|---|---|
|
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here |
| NG |
|
REPLACE REAR NO. 3 SPEAKER ASSEMBLY Click here |
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - TELEMATICS TRANSCEIVER - FRONT NO. 2 SPEAKER ASSEMBLY)
Disconnect the F75 stereo component amplifier assembly connector.
Disconnect the F140 telematics transceiver connector.
Disconnect the G2 and G6 front No. 2 speaker assembly connectors.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT TELEMATICS TRANSCEIVER
Remove the telematics transceiver.
| *a | Component without harness connected (Telematics Transceiver) |
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE TELEMATICS TRANSCEIVER Click here |
| OK |
|
INSPECT FRONT NO. 2 SPEAKER ASSEMBLY
Remove the front No. 2 speaker assembly.
Inspect the front No. 2 speaker assembly.
| Result | |||
|---|---|---|---|
|
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here |
| NG |
|
REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Click here |
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - REAR NO. 2 SPEAKER ASSEMBLY)
Disconnect the F75 stereo component amplifier assembly connector.
Disconnect the X26 rear No. 2 speaker assembly connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT REAR NO. 2 SPEAKER ASSEMBLY
Remove the rear No. 2 speaker assembly.
Inspect the rear No. 2 speaker assembly.
| Result | |||
|---|---|---|---|
|
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here |
| NG |
|
REPLACE REAR NO. 2 SPEAKER ASSEMBLY Click here |