AUDIO AND VISUAL SYSTEM > TERMINALS OF ECU

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CHECK RADIO RECEIVER ASSEMBLY

E170690E01

  1. Disconnect the D61 radio receiver assembly connector.

  2. Measure the resistance and voltage according to the value(s) in the table below.

    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    D61-3 (ACC) - D61-7 (GND)
    GR - BR
    ACC power supply
    Ignition switch ACC
    11 to 14 V
    D61-4 (B) - D61-7 (GND)
    SB - BR
    Battery power supply
    Always
    11 to 14 V
    D61-7 (GND) - Body ground
    BR - Body ground
    Ground
    Always
    Below 1 Ω

    HINT:
    If the results are not as specified, there may be a malfunction in the wire harness.

  3. Reconnect the D61 radio receiver assembly connector.

  4. Measure the resistance and voltage according to the value(s) in the table below.

    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    D61-1 (FR+) - D61-7 (GND)
    LG - BR
    Sound signals (front right)
    Audio system operating
    Waveform synchronized with sound output
    D61-2 (FL+) - D61-7 (GND)
    P - BR
    Sound signals (front left)
    Audio system operating
    Waveform synchronized with sound output
    D61-5 (FR-) - D61-7 (GND)
    L - BR
    Sound signals (front right)
    Audio system operating
    Waveform synchronized with sound output
    D61-6 (FL-) - D61-7 (GND)
    V - BR
    Sound signals (front left)
    Audio system operating
    Waveform synchronized with sound output
    D61-8 (ANT) - D61-7 (GND)
    B - BR
    Power source of antenna
    Radio switch ON (AM or FM)
    11 to 14 V
    D61-10 (ILL+) - D61-7 (GND)
    G - BR
    Illumination signal
    Light control switch OFF → TAIL
    Below 1 V → 11 to 14 V
    D62-1 (RR+) - D61-7 (GND)
    R - BR
    Sound signals (rear right)
    Audio system operating
    Waveform synchronized with sound output
    D62-2 (RL+) - D61-7 (GND)
    B - BR
    Sound signals (rear left)
    Audio system operating
    Waveform synchronized with sound output
    D62-3 (RR-) - D61-7 (GND)
    W - BR
    Sound signals (rear right)
    Audio system operating
    Waveform synchronized with sound output
    D62-6 (RL-) - D61-7 (GND)
    Y - BR
    Sound signals (rear left)
    Audio system operating
    Waveform synchronized with sound output
    D63-6 (SWG) - D61-7 (GND)
    SB - BR
    Steering pad switch ground
    Always
    Below 1 V
    D63-7 (SW1) - D61-7 (GND)
    BR - BR
    Steering pad switch signal
    Steering pad switch not operated
    → Seek+ switch pushed
    → Seek- switch pushed
    → Volume+ switch pushed
    → Volume- switch pushed
    4 V or more
    → Approximately 0.5 V
    → Approximately 0.9 V
    → Approximately 2.0 V
    → Approximately 3.4 V
    D63-8 (SW2) - D61-7 (GND)
    LG - BR
    Steering pad switch signal
    Steering pad switch not operated
    → MODE/PWR switch pushed
    4 V or more
    → Approximately 0.5 V
    D63-15 (ARI) - D61-7 (GND)
    R - BR
    Sound signal (Right)
    External device playing (When stereo jack adapter used)
    Waveform synchronized with sound output
    D63-16 (ASGN) - D61-7 (GND)
    W - BR
    Ground
    Always
    Below 1 Ω
    D63-17 (ALI) - D61-7 (GND)
    B - BR
    Sound signal (Left)
    External device playing (When stereo jack adapter used)
    Waveform synchronized with sound output
    D63-18 (AGND) - D61-7 (GND)
    Shielded - BR
    Ground (Shielded)
    Always
    Below 1 Ω
    D63-19 (AUXI) - D61-7 (GND)
    V - BR
    External device connection detection signal
    External device connected
    Below 1 Ω

    HINT:
    If the results are not as specified, there may be a malfunction in the wire harness.