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Terminals Of Ecu

  1. NAVIGATION RECEIVER ASSEMBLY 
    Fig 1: Identifying Terminals Of ECU
    G06035904Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CONNECTOR TERMINAL WIRING COLOR REFERENCE

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    E52-1 (PKB) - E1-7 (E) BE - BR Parking brake signal See "Vehicle Signal Check" (See OPERATION CHECK  ) -
    E52-3 (SPD) - E1-7 (E) V - BR Speed signal from combination meter See "Vehicle Signal Check" (See OPERATION CHECK  ) -
    E52-5 (REV) - E1-7 (E) R - BR Reverse signal See "Vehicle Signal Check" (See OPERATION CHECK  ) -
    E1-1 (FR+) - E1-7 (E) LG - BR Sound signal (Front Right) Audio system is playing A waveform synchronized with sounds is output
    E1-2 (FL+) - E1-7 (E) P - BR Sound signal (Front Left) Audio system is playing A waveform synchronized with sounds is output
    E1-3 (ACC) - E1-7 (E) GR - BR Accessory (ON) Ignition switch off → ACC Below 1 V → 11 to 14 V
    E1-4 (B) - E1-7 (E) SB - BR Battery Always 11 to 14 V
    E1-5 (FR-) - E1-7 (E) L - BR Sound signal (Front Right) Audio system is playing A waveform synchronized with sounds is output
    E1-6 (FL-) - E1-7 (E) V - BR Sound signal (Front Left) Audio system is playing A waveform synchronized with sounds is output
    E1-7 (E) - Body ground BR - Body ground Ground Always Below 1 V
    E1-8 (ANT) - E1-7 (E) BE - BR Power source of antenna Radio switch ON and AM or FM 11 to 14 V
    E1-1O (ILL+) - E1-7 (E) G - BR Illumination signal Light control switch OFF → TAIL or HEAD Below 1 V → 11 to 14 V
    E2-1 (RR+) - E1-7 (E) R - BR Sound signal (Rear Right) Audio system is playing A waveform synchronized with sounds is output
    E2-2 (RL+) - E1-7 (E) B - BR Sound signal (Rear Left) Audio system is playing A waveform synchronized with sounds is output
    E2-3 (RR-) - E1-7 (E) W - BR Sound signal (Rear Right) Audio system is playing A waveform synchronized with sounds is output
    E2-6 (RL-) - E1-7 (E) Y - BR Sound signal (Rear Left) Audio system is playing A waveform synchronized with sounds is output
    E32-6 (SWG) - Body ground*1 SB - Body ground Steering pad switch ground Always Below 1 V
    E32-7 (SW1) - E32-6 (SWG)*1 BE - SB Steering pad switch signal No switch is pushed 4.5 to 5.5 V
    → SEEK+ switch pushed → Below 0.5 V
    → SEEK- switch pushed → 0.86 to 0.95 V
    → VOL+ switch pushed → 1.91 to 2.01 V
    → VOL- switch pushed → 3.23 to 3.57 V
    E32-8 (SW2) - E32-6 (SWG)*1 P - SB Steering pad switch signal No switch is pushed 4.5 to 5.5 V
    → MODE switch pushed → Below 0.5 V
    HINT:
    *1: w/ Steering Pad Switch