Audio And Visual System (W/ Multi-Display With Dvd Player) Microphone Circuit Between Microphone And Radio Receiver
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
INSPECT NAVIGATION RECEIVER ASSEMBLY
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - TELEPHONE MICROPHONE ASSEMBLY)
AUDIO AND VISUAL SYSTEM (w/ Multi-display with DVD Player) - Microphone Circuit between Microphone and Radio Receiver |
DESCRIPTION
This circuit sends a microphone signal from the telephone microphone assembly to the navigation receiver assembly.It also supplies power from the navigation receiver assembly to the telephone microphone assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1.INSPECT NAVIGATION RECEIVER ASSEMBLY |
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
Tester Connection
| Condition
| Specified Condition
|
E116-17 (MACC) - Body ground
| Ignition switch ACC
| 4 to 6 V
|
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection
| Condition
| Specified Condition
|
E116-18 (SGND) - Body ground
| Always
| Below 1 Ω
|
E116-20 (MIC-) - Body ground
| Always
| Below 1 Ω
|
Text in Illustration*a
| Component with harness connected (Navigation Receiver Assembly)
|
2.CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - TELEPHONE MICROPHONE ASSEMBLY) |
Disconnect the E116 navigation receiver assembly connector.
Disconnect the O9 telephone microphone assembly connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection
| Condition
| Specified Condition
|
E116-5 (SNS2) - O9-3 (SNS2)
| Always
| Below 1 Ω
|
E116-17 (MACC) - O9-1 (MACC)
| Always
| Below 1 Ω
|
E116-19 (MIC+) - O9-2 (MIC+)
| Always
| Below 1 Ω
|
E116-20 (MIC-) - O9-4 (MIC-)
| Always
| Below 1 Ω
|
E116-5 (SNS2) - Body ground
| Always
| 10 kΩ or higher
|
E116-17 (MACC) - Body ground
| Always
| 10 kΩ or higher
|
E116-19 (MIC+) - Body ground
| Always
| 10 kΩ or higher
|
E116-20 (MIC-) - Body ground
| Always
| 10 kΩ or higher
|
E116-18 (SGND) - Body ground
| Always
| 10 kΩ or higher
|
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|