DESCRIPTION
Thus sound cannot be heard from the speakers even if there is no malfunction in the DCM (telematics transceiver) or speakers.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
PROCEDURE
1. |
CHECK SPEAKER (OPERATION CHECK) |
(a) Enter the "System Check Mode" screen. Refer to Check Speaker in Operation Check. Click here
|
|
(b) Perform the operation check above and determine the speaker that is not operating.
Not Operating Speaker |
Proceed to |
---|---|
Front No. 1 speaker assembly or front No. 2 speaker assembly |
A |
Rear speaker assembly |
B |
HINT:
If sound cannot be heard from any speaker, inspect all of them.
B | ![]() |
GO TO STEP 6 |
|
2. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - FRONT NO. 1 SPEAKER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY - DCM (TELEMATICS TRANSCEIVER)) |
(a) Disconnect the F132 radio and display receiver assembly connector.
(b) Disconnect the I1 and J1 front No. 1 speaker assembly connectors.
(c) Disconnect the F85 and F86 front No. 2 speaker assembly connectors.
(d) Disconnect the F134 DCM (telematics transceiver) connector.
(e) Measure the resistance according to the value (s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F132-1 (FR+) - F134-2 (SPI+) |
Always |
Below 1 Ω |
F132-6 (FR-) - F134-3 (SPI-) |
Always |
Below 1 Ω |
F134-5 (SPO+) - F85-4 (TWR+) |
Always |
Below 1 Ω |
F134-6 (SPO-) - F85-2 (TWR-) |
Always |
Below 1 Ω |
F132-2 (FL+) - F86-4 (TWL+) |
Always |
Below 1 Ω |
F132-7 (FL-) - F86-2 (TWL-) |
Always |
Below 1 Ω |
I1-1 - F85-3 (+) |
Always |
Below 1 Ω |
I1-2 - F85-1 (-) |
Always |
Below 1 Ω |
J1-1 - F86-3 (+) |
Always |
Below 1 Ω |
J1-2 - F86-1 (-) |
Always |
Below 1 Ω |
F132-1 (FR+) or F134-2 (SPI+) - Body ground |
Always |
10 kΩ or higher |
F132-6 (FR-) or F134-3 (SPI-) - Body ground |
Always |
10 kΩ or higher |
F134-5 (SPO+) or F85-4 (TWR+) - Body ground |
Always |
10 kΩ or higher |
F134-6 (SPO-) or F85-2 (TWR-) - Body ground |
Always |
10 kΩ or higher |
F132-2 (FL+) or F86-4 (TWL+) - Body ground |
Always |
10 kΩ or higher |
F132-7 (FL-) or F86-2 (TWL-) - Body ground |
Always |
10 kΩ or higher |
I1-1 or F85-3 (+) - Body ground |
Always |
10 kΩ or higher |
I1-2 or F85-1 (-) - Body ground |
Always |
10 kΩ or higher |
J1-1 or F86-3 (+) - Body ground |
Always |
10 kΩ or higher |
J1-2 or F86-1 (-) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
INSPECT FRONT NO. 1 SPEAKER ASSEMBLY |
(a) Remove the front No. 1 speaker assembly.
Click here
(b) Inspect the front No. 1 speaker assembly.
Click here
NG | ![]() |
REPLACE FRONT NO. 1 SPEAKER ASSEMBLY |
|
4. |
INSPECT DCM (TELEMATICS TRANSCEIVER) |
(a) Remove the DCM (telematics transceiver).
Click here
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
|
5. |
REPLACE FRONT NO. 2 SPEAKER ASSEMBLY |
(a) Remove the front No. 2 speaker assembly.
Click here
(b) Inspect the front No. 2 speaker assembly.
Click here
OK:
Malfunction disappears.
OK | ![]() |
END |
NG | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
6. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - REAR SPEAKER ASSEMBLY) |
(a) Disconnect the F132 radio and display receiver assembly connector.
(b) Disconnect the K4 and L4 rear speaker assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F132-4 (RR+) - K4-1 |
Always |
Below 1 Ω |
F132-9 (RR-) - K4-2 |
Always |
Below 1 Ω |
F132-3 (RL+) - L4-1 |
Always |
Below 1 Ω |
F132-8 (RL-) - L4-2 |
Always |
Below 1 Ω |
F132-4 (RR+) or K4-1 - Body ground |
Always |
10 kΩ or higher |
F132-9 (RR-) or K4-2 - Body ground |
Always |
10 kΩ or higher |
F132-3 (RL+) or L4-1 - Body ground |
Always |
10 kΩ or higher |
F132-8 (RL-) or L4-2 - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
7. |
INSPECT REAR SPEAKER ASSEMBLY |
(a) Remove the rear speaker assembly.
Click here
(b) Inspect the rear speaker assembly.
Click here
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() |
REPLACE REAR SPEAKER ASSEMBLY |
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