DESCRIPTION
w/ Stereo Component Amplifier:
If there is a short in a speaker circuit, the stereo component amplifier assembly detects it and stops output to the speakers.
As a result, sound cannot be heard from the speakers even if there is no malfunction in the stereo component amplifier assembly or speakers.
w/o Stereo Component Amplifier:
If there is a short in a speaker circuit, the radio receiver assembly detects it and stops output to the speakers.
As a result, sound cannot be heard from the speakers even if there is no malfunction in the radio receiver assembly, DCM (telematics transceiver)* or speakers.
*: w/ Telematics Transceiver
WIRING DIAGRAM
| *a | Front No. 1 Speaker Assembly LH |
| *b | Front No. 1 Speaker Assembly RH |
| *c | Front No. 2 Speaker Assembly LH |
| *d | Stereo Component Amplifier Assembly |
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 audio and visual system.
PROCEDURE
CONFIRM MODEL
Choose the model to be inspected.
| Model | ||||||
|---|---|---|---|---|---|---|
|
| B |
|
CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT) Click here |
| A |
|
CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)
*1: for LH Side
*2: for RH Side
Disconnect the P32 stereo component amplifier assembly connector.
Disconnect the M9*1 and/or L9*2 front No. 1 speaker assembly connector.
Disconnect the J9*1 and/or J8*2 front No. 2 speaker assembly connector.
Disconnect the O5*1 and/or N6*2 rear speaker assembly connector.
Disconnect the O6*1 and/or N5*2 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 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 |
|
INSPECT REAR SPEAKER ASSEMBLY
Remove the rear speaker assembly.
Inspect the rear speaker assembly.
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE REAR SPEAKER ASSEMBLY Click here |
| OK |
|
CHECK FRONT NO. 2 SPEAKER ASSEMBLY
Replace the front No. 2 speaker assembly with a new or known good one.
Check the malfunction disappears.
| OK |
|---|
| Malfunction disappears. |
Tech Tips
Connect all the connectors to the front No. 2 speaker assemblies that were disconnected.
When there is a possibility that either the right or left front speaker is defective, inspect by interchanging the right one with the left one.
Perform the above inspection on both the LH and RH sides.
| Result | |||
|---|---|---|---|
|
| OK |
|
END (FRONT NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE) |
| NG |
|
CHECK REAR NO. 2 SPEAKER ASSEMBLY
Replace the rear No. 2 speaker assembly with a new or known good one.
Check the malfunction disappears.
| OK |
|---|
| Malfunction disappears. |
Tech Tips
Connect all the connectors to the rear No. 2 speaker assemblies that were disconnected.
When there is a possibility that either the right or left front speaker is defective, inspect by interchanging the right one with the left one.
Perform the above inspection on both the LH and RH sides.
| Result | |||
|---|---|---|---|
|
| OK |
|
END (REAR NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE) |
| NG |
|
REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here |
CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)
*1: for LH Side
*2: for RH Side
*3: w/ Telematics Transceiver
Disconnect the I119 and I120 radio receiver assembly connectors.
Disconnect the M9*1 and/or L9*2 front No. 1 speaker assembly connector.
Disconnect the J9*1 and/or J8*2 front No. 2 speaker assembly connector.
Disconnect the O5*1 and/or N6*2 rear speaker assembly connector.
Disconnect the O6*1 and/or N5*2 rear No. 2 speaker assembly connector.
Disconnect the I40 DCM (telematics transceiver) connector.*3
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 |
|
INSPECT REAR SPEAKER ASSEMBLY
Remove the rear speaker assembly.
Inspect the rear speaker assembly.
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE REAR SPEAKER ASSEMBLY Click here |
| OK |
|
CHECK FRONT NO. 2 SPEAKER ASSEMBLY
Replace the front No. 2 speaker assembly with a new or known good one.
Check the malfunction disappears.
| OK |
|---|
| Malfunction disappears. |
Tech Tips
Connect all the connectors to the front No. 2 speaker assemblies that were disconnected.
When there is a possibility that either the right or left front speaker is defective, inspect by interchanging the right one with the left one.
Perform the above inspection on both the LH and RH sides.
| Result | |||
|---|---|---|---|
|
| OK |
|
END (FRONT NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE) |
| NG |
|
CHECK REAR NO. 2 SPEAKER ASSEMBLY
Replace the rear No. 2 speaker assembly with a new or known good one.
Check the malfunction disappears.
| OK |
|---|
| Malfunction disappears. |
Tech Tips
Connect all the connectors to the rear No. 2 speaker assemblies that were disconnected.
When there is a possibility that either the right or left front speaker is defective, inspect by interchanging the right one with the left one.
Perform the above inspection on both the LH and RH sides.
| Result | ||||||||
|---|---|---|---|---|---|---|---|---|
|
| A |
|
END (REAR NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE) |
| C |
|
REPLACE RADIO RECEIVER ASSEMBLY Click here |
| B |
|
CHECK DCM (TELEMATICS TRANSCEIVER)
Replace the DCM (telematics transceiver) with a new one.
Check the malfunction disappears.
| OK |
|---|
| Malfunction disappears. |
| Result | |||
|---|---|---|---|
|
| OK |
|
END (DCM [TELEMATICS TRANSCEIVER] IS DEFECTIVE) |
| NG |
|
REPLACE RADIO RECEIVER ASSEMBLY Click here |