Audio And Visual System (For Sedan) Speaker Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - SPEAKER)
INSPECT FRONT NO. 1 SPEAKER ASSEMBLY
INSPECT REAR SPEAKER ASSEMBLY
AUDIO AND VISUAL SYSTEM (for Sedan) - Speaker Circuit |
DESCRIPTION
If there is a short in this circuit, the radio receiver detects it and stops output to the speakers.Thus sound cannot be heard from the speakers even if there is no malfunction in the radio receiver or speakers.If a short is detected in the speaker circuit, no sound can be heard from the speakers.
WIRING DIAGRAM
INSPECTION PROCEDURE
1.CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - SPEAKER) |
Disconnect the D10 and D11 radio receiver assembly connectors.
Disconnect the G6 and F6 front No. 1 speaker assembly connectors.
Disconnect the J39 and J38 rear speaker assembly connectors.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection
| Condition
| Specified Condition
|
D10-2 (FL+) - G6-1
| Always
| Below 1 Ω
|
D10-6 (FL-) - G6-2
| Always
| Below 1 Ω
|
D10-1 (FR+) - F6-1
| Always
| Below 1 Ω
|
D10-5 (FR-) - F6-2
| Always
| Below 1 Ω
|
D11-2 (RL+) - J39-1
| Always
| Below 1 Ω
|
D11-6 (RL-) - J39-2
| Always
| Below 1 Ω
|
D11-1 (RR+) - J38-1
| Always
| Below 1 Ω
|
D11-3 (RR-) - J38-2
| Always
| Below 1 Ω
|
D10-2 (FL+) - Body ground
| Always
| 10 kΩ or higher
|
D10-6 (FL-) - Body ground
| Always
| 10 kΩ or higher
|
D10-1 (FR+) - Body ground
| Always
| 10 kΩ or higher
|
D10-5 (FR-) - Body ground
| Always
| 10 kΩ or higher
|
D11-2 (RL+) - Body ground
| Always
| 10 kΩ or higher
|
D11-6 (RL-) - Body ground
| Always
| 10 kΩ or higher
|
D11-1 (RR+) - Body ground
| Always
| 10 kΩ or higher
|
D11-3 (RR-) - Body ground
| Always
| 10 kΩ or higher
|
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
2.INSPECT FRONT NO. 1 SPEAKER ASSEMBLY |
Inspect the front No. 1 speaker assembly (YARIS_NCP93 RM000001A2W02SX.html).
3.INSPECT REAR SPEAKER ASSEMBLY |
Inspect the rear speaker assembly (YARIS_NCP93 RM000001A2W02TX.html).