Audio And Visual System (W/O Navigation System) Multi-Media Interface Ecu Power Source Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
INSPECT MULTI-MEDIA INTERFACE ECU
CHECK HARNESS AND CONNECTOR (MULTI-MEDIA INTERFACE ECU - RADIO RECEIVER ASSEMBLY)
AUDIO AND VISUAL SYSTEM (w/o Navigation System) - Multi-media Interface ECU Power Source Circuit |
DESCRIPTION
This circuit provides power to the multi-media interface ECU.
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.INSPECT MULTI-MEDIA INTERFACE ECU |
Disconnect the L40 multi-media interface ECU connector.
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
Tester Connection
| Switch Condition
| Specified Condition
|
L40-12 (+B) - L40-7 (GND)
| Always
| 11 to 14 V
|
L40-11 (ACC) - L40-7 (GND)
| Engine switch on (ACC)
| 11 to 14 V
|
Text in Illustration*1
| Front view of wire harness connector
(to Multi-media Interface ECU)
|
| OK |
|
|
|
| PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (Click here) |
|
| 2.CHECK HARNESS AND CONNECTOR (MULTI-MEDIA INTERFACE ECU - RADIO RECEIVER ASSEMBLY) |
Disconnect the F55 radio receiver assembly connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection
| Condition
| Specified Condition
|
L40-11 (ACC) - F55-11 (ACC)
| Always
| Below 1 Ω
|
L40-12 (+B) - F55-12 (+B)
| Always
| Below 1 Ω
|
L40-7 (GND) - F55-7 (GND)
| Always
| Below 1 Ω
|
L40-11 (ACC) - Body ground
| Always
| 10 kΩ or higher
|
L40-12 (+B) - Body ground
| Always
| 10 kΩ or higher
|
L40-7 (GND) - Body ground
| Always
| 10 kΩ or higher
|
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
| OK |
|
|
|
| PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (Click here) |
|
