Audio And Visual System (For Radio Receiver Type) Speaker Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK SPEAKER
INSPECT FRONT NO. 1 SPEAKER ASSEMBLY
CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - FRONT NO. 1 SPEAKER)
INSPECT REAR SPEAKER ASSEMBLY
CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - REAR SPEAKER)
AUDIO AND VISUAL SYSTEM (for Radio Receiver Type) - Speaker Circuit |
DESCRIPTION
The radio receiver assembly sends sound signals to the speakers.
WIRING DIAGRAM
INSPECTION PROCEDURE
Check the malfunctioning speakers.
ResultResult
| Proceed to
|
Malfunction in front speaker area
| A
|
Malfunction in rear speaker area (for Double Cab)
| B
|
2.INSPECT FRONT NO. 1 SPEAKER ASSEMBLY |
Disconnect the H4*1 and/or I1*2 front No. 1 speaker connector.
- *1: for RH
- *2: for LH
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection
| Condition
| Specified Condition
|
1 - 2
| Always
| 4 Ω
|
3.CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - FRONT NO. 1 SPEAKER) |
Disconnect the G5 radio receiver assembly connector.
Disconnect the H4*1 and/or I1*2 front No. 1 speaker connector.
- *1: for RH
- *2: for LH
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
for RHTester Connection
| Condition
| Specified Condition
|
G5-1 (FR+) - H4-1
| Always
| Below 1 Ω
|
G5-5 (FR-) - H4-2
|
G5-1 (FR+) - Body ground
| Always
| 10 kΩ or higher
|
G5-5 (FR-) - Body ground
|
for LHTester Connection
| Condition
| Specified Condition
|
G5-2 (FL+) - I1-1
| Always
| Below 1 Ω
|
G5-6 (FL-) - I1-2
|
G5-2 (FL+) - Body ground
| Always
| 10 kΩ or higher
|
G5-6 (FL-) - Body ground
|
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
4.INSPECT REAR SPEAKER ASSEMBLY |
Disconnect the J7*1 and/or J3*2 rear speaker connector.
- *1: for RH
- *2: for LH
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection
| Condition
| Specified Condition
|
1 - 2
| Always
| 4 Ω
|
5.CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - REAR SPEAKER) |
Disconnect the G4 radio receiver assembly connector.
Disconnect the J7*1 and/or J3*2 rear speaker connector.
- *1: for RH
- *2: for LH
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
for RHTester Connection
| Condition
| Specified Condition
|
G4-1 (RR+) - J7-1
| Always
| Below 1 Ω
|
G4-3 (RR-) - J7-2
|
G4-1 (RR+) - Body ground
| Always
| 10 kΩ or higher
|
G4-3 (RR-) - Body ground
|
for LHTester Connection
| Condition
| Specified Condition
|
G4-2 (RL+) - J3-1
| Always
| Below 1 Ω
|
G4-6 (RL-) - J3-2
|
G4-2 (RL+) - Body ground
| Always
| 10 kΩ or higher
|
G4-6 (RL-) - Body ground
|
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|