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AV-140 < ECU DIAGNOSIS > [PREMIUM AUDIO (CREW CAB)] AUDIO UNIT 67 – Shield – Ignition switch ON – 0V 69 (V) 71 (O) Steering switch sig- Input Ignition switch ON Pressing
switch 0V Pressing switch 0.75 Pressing VOL up 2V Except for above 5V 70 (LG) 71 (O) Steering switch sig- Input Ignition switch ON Pressing switch 0V Pressing switch 0.75V Pressing VOL down 2V Except for above 5 V 73 (SB) Ground Vehicle speed sig- Input Ignition switch ON When vehicle speed is approx. 40 km/h (25 MPH) 74 (W) Ground Auxiliary audio in- Input Ignition switch ON Receive audio sig- 75 (B) Ground Auxiliary audio in- Input Ignition switch ON Receive audio sig- 76 (R) – Shield – – – 0V Terminal (Wire color) Item Signal input/ output Condition Reference value (Approx.) + – PKIA1935E SKIA0177E SKIA0177E |