DESCRIPTION
WIRING DIAGRAM
(See page ).
PROCEDURE
1. |
CONFIRM MODEL |
(a) Choose the model to be inspected.
Result
Result |
Proceed to |
---|---|
for 6 Speakers |
A |
for 4 Speakers |
B |
B |
GO TO STEP 9 |
|
2. |
CHECK SPEAKER |
(a) Enter the "System Check Mode" screen. Refer to Check Speaker in Operation Check (See page ). |
|
(b) Perform the operation check above and determine the speaker that is not operating.
Result
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 7 |
|
3. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY - FRONT NO. 1 SPEAKER ASSEMBLY) |
(a) Disconnect the R30 radio and display receiver assembly connector.
(b) Disconnect the S46 and S47 front No. 2 speaker assembly connectors.
(c) Disconnect the S15 and S16 front No. 1 speaker assembly connectors.
(d) Measure the resistance between the radio and display receiver assembly and each of the front No. 2 speaker assemblies to check for an open circuit in the wire harness.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
R30-1 (FR+) - S47-2 (+) |
Always |
Below 1 Ω |
R30-5 (FR-) - S47-4 (-) |
Always |
Below 1 Ω |
R30-2 (FL+) - S46-2 (+) |
Always |
Below 1 Ω |
R30-6 (FL-) - S46-4 (-) |
Always |
Below 1 Ω |
(e) Measure the resistance between each of the front No. 2 speaker assemblies and the front No. 1 speaker assemblies to check for an open circuit in the wire harness.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
S47-1 (+) - S16-1 |
Always |
Below 1 Ω |
S47-3 (-) - S16-2 |
Always |
Below 1 Ω |
S46-1 (+) - S15-1 |
Always |
Below 1 Ω |
S46-3 (-) - S15-2 |
Always |
Below 1 Ω |
(f) Measure the resistance between the radio and display receiver assembly and body ground to check for a short circuit in the wire harness.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
R30-1 (FR+) - Body ground |
Always |
10 kΩ or higher |
R30-5 (FR-) - Body ground |
Always |
10 kΩ or higher |
R30-2 (FL+) - Body ground |
Always |
10 kΩ or higher |
R30-6 (FL-) - Body ground |
Always |
10 kΩ or higher |
(g) Measure the resistance between each of the front No. 2 speaker assemblies and body ground to check for a short circuit in the wire harness.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
S47-1 (+) - Body ground |
Always |
10 kΩ or higher |
S47-3 (-) - Body ground |
Always |
10 kΩ or higher |
S46-1 (+) - Body ground |
Always |
10 kΩ or higher |
S46-3 (-) - Body ground |
Always |
10 kΩ or higher |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
INSPECT FRONT NO.2 SPEAKER ASSEMBLY |
(a) Remove the front No. 2 speaker assembly (See page ).
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG |
REPLACE FRONT NO.2 SPEAKER ASSEMBLY |
|
5. |
REPLACE FRONT NO.2 SPEAKER ASSEMBLY |
(a) Check that the malfunction disappears when a known good speaker is installed (See page ).
OK:
Malfunction disappears.
HINT:
OK |
END |
|
6. |
INSPECT FRONT NO.1 SPEAKER ASSEMBLY |
(a) Remove the front No. 1 speaker assembly (See page ).
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG |
REPLACE FRONT NO.1 SPEAKER ASSEMBLY |
7. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - REAR SPEAKER ASSEMBLY) |
(a) Disconnect the R29 radio and display receiver assembly connector.
(b) Disconnect the S18 and S17 rear speaker assembly connectors.
(c) Measure the resistance between the radio and display receiver assembly and each of the rear speaker assemblies to check for an open circuit in the wire harness.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
R29-1 (RR+) - S18-1 |
Always |
Below 1 Ω |
R29-3 (RR-) - S18-2 |
Always |
Below 1 Ω |
R29-2 (RL+) - S17-1 |
Always |
Below 1 Ω |
R29-1 (RL-) - S17-2 |
Always |
Below 1 Ω |
(d) Measure the resistance between the radio and display receiver assembly and body ground to check for a short circuit in the wire harness.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
R29-1 (RR+) - Body ground |
Always |
10 kΩ or higher |
R29-3 (RR-) - Body ground |
Always |
10 kΩ or higher |
R29-2 (RL+) - Body ground |
Always |
10 kΩ or higher |
R29-6 (RL-) - Body ground |
Always |
10 kΩ or higher |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
8. |
INSPECT REAR SPEAKER ASSEMBLY |
(a) Remove the rear speaker assembly (See page ).
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG |
REPLACE REAR SPEAKER ASSEMBLY |
9. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY - FRONT NO. 1 SPEAKER ASSEMBLY) |
(a) Disconnect the R30 radio and display receiver assembly connector.
(b) Disconnect the S46 and S47 front No. 2 speaker assembly connectors.
(c) Disconnect the S15 and S16 front No. 1 speaker assembly connectors.
(d) Measure the resistance between the radio and display receiver assembly and each of the front No. 2 speaker assemblies to check for an open circuit in the wire harness.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
R30-1 (FR+) - S47-2 (+) |
Always |
Below 1 Ω |
R30-5 (FR-) - S47-4 (-) |
Always |
Below 1 Ω |
R30-2 (FL+) - S46-2 (+) |
Always |
Below 1 Ω |
R30-6 (FL-) - S46-4 (-) |
Always |
Below 1 Ω |
(e) Measure the resistance between each of the front No. 2 speaker assemblies and the front No. 1 speaker assemblies to check for an open circuit in the wire harness.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
S47-1 (+) - S16-1 |
Always |
Below 1 Ω |
S47-3 (-) - S16-2 |
Always |
Below 1 Ω |
S46-1 (+) - S15-1 |
Always |
Below 1 Ω |
S46-3 (-) - S15-2 |
Always |
Below 1 Ω |
(f) Measure the resistance between the radio and display receiver assembly and body ground to check for a short circuit in the wire harness.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
R30-1 (FR+) - Body ground |
Always |
10 kΩ or higher |
R30-5 (FR-) - Body ground |
Always |
10 kΩ or higher |
R30-2 (FL+) - Body ground |
Always |
10 kΩ or higher |
R30-6 (FL-) - Body ground |
Always |
10 kΩ or higher |
(g) Measure the resistance between each of the front No. 2 speaker assemblies and body ground to check for a short circuit in the wire harness.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
S47-1 (+) - Body ground |
Always |
10 kΩ or higher |
S47-3 (-) - Body ground |
Always |
10 kΩ or higher |
S46-1 (+) - Body ground |
Always |
10 kΩ or higher |
S46-3 (-) - Body ground |
Always |
10 kΩ or higher |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
10. |
INSPECT FRONT NO.2 SPEAKER ASSEMBLY |
(a) Remove the front No. 2 speaker assembly (See page ).
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG |
REPLACE FRONT NO.2 SPEAKER ASSEMBLY |
|
11. |
REPLACE FRONT NO.2 SPEAKER ASSEMBLY |
(a) Check that the malfunction disappears when a known good speaker is installed (See page ).
OK:
Malfunction disappears.
HINT:
OK |
END |
|
12. |
INSPECT FRONT NO.1 SPEAKER ASSEMBLY |
(a) Remove the front No. 1 speaker assembly (See page ).
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG |
REPLACE FRONT NO.1 SPEAKER ASSEMBLY |
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" column of the
table. Check each sy ...
Removal
REMOVAL
PROCEDURE
1. REMOVE FRONT SEAT ASSEMBLY (for Driver Side)
(See page )
2. REMOVE FRONT SEAT ASSEMBLY (for Front Passenger Side)
(See page )
3. REMOVE SEPARATE TYPE FRONT SEAT CUSHION COVER (for Driver Side)
(See page )
4. REMOVE SEPARATE TYPE FRONT SEAT CUSHION COVER (for Front Pas ...
Customize Parameters
CUSTOMIZE PARAMETERS
1. CUSTOMIZING FUNCTION WITH TECHSTREAM
NOTICE:
When the customer requests a change in a function, first make sure that
the function can be customized.
Be sure to make a note of the current settings before customizing.
When troubleshooting a function, f ...