Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - AUDIO / VIDEO
CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - MULTI-MEDIA INTERFACE ECU)
AUDIO AND VISUAL SYSTEM (w/o Navigation System) - Sound Signal Circuit between Radio Receiver and Multi-media Interface ECU
DESCRIPTION
The multi-media interface ECU sends sound signals to the radio receiver assembly through this circuit.
If there is an open or short in the circuit, sound cannot be heard from the speakers even if there is no malfunction in the stereo component amplifier assembly, radio receiver assembly or speakers.
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - MULTI-MEDIA INTERFACE ECU) |
Disconnect the F55 radio receiver assembly and L40 multi-media interface ECU connectors.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition L40-1 (USD1) - F55-1 (CSLD) Always Below 1 Ω L40-2 (URO+) - F55-2 (CDR+) Always Below 1 Ω L40-3 (URO-) - F55-3 (CDR-) Always Below 1 Ω L40-4 (ULO+) - F55-4 (CDL+) Always Below 1 Ω L40-5 (ULO-) - F55-5 (CDL-) Always Below 1 Ω L40-1 (USD1) - Body ground Always 10 kΩ or higher L40-2 (URO+) - Body ground Always 10 kΩ or higher L40-3 (URO-) - Body ground Always 10 kΩ or higher L40-4 (ULO+) - Body ground Always 10 kΩ or higher L40-5 (ULO-) - Body ground Always 10 kΩ or higher
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