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2. CHECK RADIO RECEIVER (for Built-in Type Amplifier System) Fig. 18: Identifying Radio Receiver Connectors Terminals (Built-In Type Amplifier System) TERMINALS REFERENCE sounds is output K9-3 (TSW-) - K4-20 (GND) W-B - W-B Ground Always Below 1 V K9-4 (SPD) - K4-20 (GND) W - W-B Speed signal from Ignition switch ON, Pulse generation K9-5 (+B) - K4- 20 (GND) L - W-B Battery Always 11 to 14 V K9-6 (MGND) - K4-20 (GND) W-B - W-B Ground Always Below 1 V K9-7 (MCVD) - K4-20 (GND) LG - W-B Microphone AMP Ignition switch OFF --> Below 1 V --> 5V K9-14 (GND) - K4-20 (GND) W-B - W-B Ground Always Below 1 V K9-16(ACC) - K4-20 (GND) GR - W-B Accessory (ON) Ignition switch OFF --> Below 1 V --> 11 to 14 Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition K1-1 (FR+) - K1-7 (GND) LG - W-B Sound signal (Front Audio system is playing A waveform K1-2(FL+) - K1- 7(GND) Y - W-B Sound signal (Front Audio system is playing A waveform K1-3(ACC) - K1-7(GND) GR - W-B Accessory (ON) Ignition switch OFF --> Below 1 V --> 11 to K1-4(B) - K1-7 (GND) L - W-B Battery Always 11 to 14 V K1-5(FR-) - K1- 7(GND) L - W-B Sound signal (Front Audio system is playing A waveform
2009 Toyota Tundra 2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra
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