Audio And Visual System (W/O Navigation System) - Speaker Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK SPEAKER
INSPECT FRONT NO. 4 SPEAKER ASSEMBLY
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - FRONT NO. 4 SPEAKER)
INSPECT FRONT NO. 2 SPEAKER ASSEMBLY
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - FRONT NO. 2 SPEAKER)
INSPECT FRONT NO. 1 SPEAKER ASSEMBLY
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - FRONT NO. 1 SPEAKER)
INSPECT FRONT NO. 3 SPEAKER ASSEMBLY
INSPECT FRONT NO. 2 SPEAKER ASSEMBLY
INSPECT REAR SPEAKER SET
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - REAR SPEAKER SET)
AUDIO AND VISUAL SYSTEM (w/o Navigation System) - Speaker Circuit
DESCRIPTION
The stereo component amplifier sends sound signals to the speakers.
WIRING DIAGRAM
INSPECTION PROCEDURE
Check the malfunctioning speakers.
Result| Result | Proceed to |
| Front No. 4 speaker | A |
| Front No. 2 speaker | B |
| Front No. 1 speaker | C |
| Front No. 3 speaker | D |
| Rear speaker set | E |
| 2.INSPECT FRONT NO. 4 SPEAKER ASSEMBLY |
Disconnect the F6 speaker connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
| Tester Connection | Condition | Specified Condition |
| 1 - 2 | Always | 6 Ω |
Text in Illustration| *1 | Component without harness connected
(Front No. 4 Speaker) |
| | REPLACE FRONT NO. 4 SPEAKER ASSEMBLY ()
|
|
|
| 3.CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - FRONT NO. 4 SPEAKER) |
Disconnect the F6 speaker connector.
Disconnect the F3 amplifier connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
| Tester Connection | Condition | Specified Condition |
| F3-8 (CTR+) - F6-1 | Always | Below 1 Ω |
| F3-7 (CTR-) - F6-2 | Always | Below 1 Ω |
| F3-8 (CTR+) - Body ground | Always | 10 kΩ or higher |
| F3-7 (CTR-) - Body ground | Always | 10 kΩ or higher |
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
| OK | |
| |
| REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY ()
|
|
| 4.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 | 4 Ω |
Text in Illustration| *1 | Component without harness connected
(Front No. 2 Speaker) |
| | REPLACE FRONT NO. 2 SPEAKER ASSEMBLY ()
|
|
|
| 5.CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - FRONT NO. 2 SPEAKER) |
Disconnect the F52 amplifier 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 |
| F52-3 (FL+) - F8-1 (+) | Always | Below 1 Ω |
| F52-8 (FL-) - F8-3 (-) | Always | Below 1 Ω |
| F52-3 (FL+) - Body ground | Always | 10 kΩ or higher |
| F52-8 (FL-) - Body ground | Always | 10 kΩ or higher |
- for RH:
| Tester Connection | Condition | Specified Condition |
| F52-10 (FR+) - F7-1 (+) | Always | Below 1 Ω |
| F52-9 (FR-) - F7-3 (-) | Always | Below 1 Ω |
| F52-10 (FR+) - Body ground | Always | 10 kΩ or higher |
| F52-9 (FR-) - Body ground | Always | 10 kΩ or higher |
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
| OK | |
| |
| REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY ()
|
|
| 6.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 | 3 Ω |
Text in Illustration| *1 | Component without harness connected
(Front No. 1 Speaker) |
| | REPLACE FRONT NO. 1 SPEAKER ASSEMBLY ()
|
|
|
| 7.CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - FRONT NO. 1 SPEAKER) |
Disconnect the I10 and I1 speaker connectors.
Disconnect the F3 amplifier connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
- for LH:
| Tester Connection | Condition | Specified Condition |
| F3-1 (WFL+) - I10-1 | Always | Below 1 Ω |
| F3-5 (WFL-) - I10-2 | Always | Below 1 Ω |
| F3-1 (WFL+) - Body ground | Always | 10 kΩ or higher |
| F3-5 (WFL-) - Body ground | Always | 10 kΩ or higher |
- for RH:
| Tester Connection | Condition | Specified Condition |
| F3-2 (WFR+) - I1-1 | Always | Below 1 Ω |
| F3-6 (WFR-) - I1-2 | Always | Below 1 Ω |
| F3-2 (WFR+) - Body ground | Always | 10 kΩ or higher |
| F3-6 (WFR-) - Body ground | Always | 10 kΩ or higher |
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
| OK | |
| |
| REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY ()
|
|
| 8.INSPECT FRONT NO. 3 SPEAKER ASSEMBLY |
Disconnect the F14 and F13 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. 3 Speaker) |
| | REPLACE FRONT NO. 3 SPEAKER ASSEMBLY ()
|
|
|
| 9.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 | 4 Ω |
Text in Illustration| *1 | Component without harness connected
(Front No. 2 Speaker) |
| | REPLACE FRONT NO. 2 SPEAKER ASSEMBLY ()
|
|
|
| OK | |
| |
| REPAIR OR REPLACE HARNESS OR CONNECTOR (FRONT NO. 2 SPEAKER - FRONT NO. 3 SPEAKER) |
|
| 10.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 ()
|
|
|
| 11.CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - REAR SPEAKER SET) |
Disconnect the F52 amplifier 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 |
| F52-4 (RL+) - J17-1 | Always | Below 1 Ω |
| F52-11 (RL-) - J17-2 | Always | Below 1 Ω |
| F52-4 (RL+) - Body ground | Always | 10 kΩ or higher |
| F52-11 (RL-) - Body ground | Always | 10 kΩ or higher |
- for RH:
| Tester Connection | Condition | Specified Condition |
| F52-5 (RR+) - J15-1 | Always | Below 1 Ω |
| F52-12 (RR-) - J15-2 | Always | Below 1 Ω |
| F52-5 (RR+) - Body ground | Always | 10 kΩ or higher |
| F52-12 (RR-) - Body ground | Always | 10 kΩ or higher |
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
| OK | |
| |
| REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY ()
|
|
