DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK SPEAKER
CHECK SPEAKER
INSPECT FRONT NO. 2 SPEAKER ASSEMBLY
CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - FRONT NO. 2 SPEAKER)
INSPECT FRONT NO. 1 SPEAKER ASSEMBLY
CHECK HARNESS AND CONNECTOR (FRONT NO. 2 SPEAKER - FRONT NO. 1 SPEAKER)
INSPECT REAR SPEAKER SET
CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - REAR SPEAKER SET)
AUDIO AND VISUAL SYSTEM (w/o Stereo Component Amplifier) - Speaker Circuit
DESCRIPTION
The radio receiver sends sound signals to the speakers.
WIRING DIAGRAM
INSPECTION PROCEDURE
Check the malfunctioning speakers.
Result| Result | Proceed to |
| Malfunction in front speaker area | A |
| Malfunction in rear speaker area | B |
Check the malfunctioning speakers.
Result| Result | Proceed to |
| Front No. 2 speaker | A |
| Front No. 1 speaker | B |
| 3.INSPECT FRONT NO. 2 SPEAKER ASSEMBLY |
Disconnect the F8 and F7 speaker connectors.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
| Tester Connection | Condition | Specified Condition |
| 1 - 2 | Always | Below 1 Ω |
| 3 - 4 | Always | Below 1 Ω |
| 2 - 4 | Always | 8 Ω |
Text in Illustration| *1 |
Component without harness connected
(Front No. 2 Speaker) |
| | REPLACE FRONT NO. 2 SPEAKER ASSEMBLY ()
|
|
|
| 4.CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - FRONT NO. 2 SPEAKER) |
Disconnect the F35 receiver connector.
Disconnect the F8 and F7 speaker connectors.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
- for LH:
| Tester Connection | Condition | Specified Condition |
| F35-2 (FL+) - F8-1 (+) | Always | Below 1 Ω |
| F35-6 (FL-) - F8-3 (-) |
| F35-2 (FL+) - Body ground | Always | 10 kΩ or higher |
| F35-6 (FL-) - Body ground |
- for RH:
| Tester Connection | Condition | Specified Condition |
| F35-1 (FR+) - F7-1 (+) | Always | Below 1 Ω |
| F35-5 (FR-) - F7-3 (-) |
| F35-1 (FR+) - Body ground | Always | 10 kΩ or higher |
| F35-5 (FR-) - Body ground |
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
| OK | |
| |
| REPLACE RADIO RECEIVER ASSEMBLY ()
|
|
| 5.INSPECT FRONT NO. 1 SPEAKER ASSEMBLY |
Disconnect the I10 and I1 speaker connectors.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
| Tester Connection | Condition | Specified Condition |
| 1 - 2 | Always | 4 Ω |
Text in Illustration| *1 |
Component without harness connected
(Front No. 1 Speaker) |
| | REPLACE FRONT NO. 1 SPEAKER ASSEMBLY ()
|
|
|
| 6.CHECK HARNESS AND CONNECTOR (FRONT NO. 2 SPEAKER - FRONT NO. 1 SPEAKER) |
Disconnect the I10, I1, F8 and F7 speaker connectors.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
- for LH:
| Tester Connection | Condition | Specified Condition |
| F8-2 (TWL+) - I10-1 | Always | Below 1 Ω |
| F8-4 (TWL-) - I10-2 |
| F8-2 (TWL+) - Body ground | Always | 10 kΩ or higher |
| F8-4 (TWL-) - Body ground |
- for RH:
| Tester Connection | Condition | Specified Condition |
| F7-2 (TWR+) - I1-1 | Always | Below 1 Ω |
| F7-4 (TWR-) - I1-2 |
| F7-2 (TWR+) - Body ground | Always | 10 kΩ or higher |
| F7-4 (TWR-) - Body ground |
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
| OK | |
| |
| REPLACE FRONT NO. 2 SPEAKER ASSEMBLY ()
|
|
| 7.INSPECT REAR SPEAKER SET |
Disconnect the J17 and J15 speaker connectors.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
| Tester Connection | Condition | Specified Condition |
| 1 - 2 | Always | 4 Ω |
Text in Illustration| *1 |
Component without harness connected
(Rear Speaker Set) |
| | REPLACE REAR SPEAKER SET ()
|
|
|
| 8.CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - REAR SPEAKER SET) |
Disconnect the F36 receiver connector.
Disconnect the J17 and J15 speaker connectors.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
- for LH:
| Tester Connection | Condition | Specified Condition |
| F36-2 (RL+) - J17-1 | Always | Below 1 Ω |
| F36-6 (RL-) - J17-2 |
| F36-2 (RL+) - Body ground | Always | 10 kΩ or higher |
| F36-6 (RL-) - Body ground |
- for RH:
| Tester Connection | Condition | Specified Condition |
| F36-1 (RR+) - J15-1 | Always | Below 1 Ω |
| F36-3 (RR-) - J15-2 |
| F36-1 (RR+) - Body ground | Always | 10 kΩ or higher |
| F36-3 (RR-) - Body ground |
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
| OK | |
| |
| REPLACE RADIO RECEIVER ASSEMBLY ()
|
|
