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For details of the connectors, refer to "TERMINALS OF ECU" . a. Referring to the AVC-LAN wiring diagram below, check the AVC-LAN circuit between the stereo component amplifier and the component shown by the sub-code. 1. Disconnect all connectors between the stereo component amplifier and the component shown by sub-code. 2. Check for an open or short in the AVC-LAN circuit between the stereo component amplifier and the component shown by the sub-code. OK: There is no open or short circuit. Fig. 210: AVC-LAN Wiring Diagram NG: REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to Next Step 5. REPLACE COMPONENT SHOWN BY SUB-CODE a. Replace the component shown by the sub-code with a normal one and check if the same problem occurs again. OK: Same problem does not occur. NG: REPLACE STEREO COMPONENT AMPLIFIER (See REMOVAL ) OK: END NAVIGATION RECEIVER ASSEMBLY POWER SOURCE CIRCUIT DESCRIPTION The circuit provides power to the navigation receiver. WIRING DIAGRAM
2009 Toyota Tundra 2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra
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