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Terminals Of Ecu [08/2013 - 08/2016]

WARNING: This page is about a different car, the 2018 Toyota Corolla, 2017 Toyota Corolla, 2016 Toyota Corolla, 2015 Toyota Corolla, and 2014 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.

HINT: 

Check from the rear of the connector while it is connected to the components.

  1. NAVIGATION RECEIVER ASSEMBLY 
    Fig 1: Navigation Receiver Assembly Connector End Views
    GTY443725Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    E65-1 (FR+) - E65-7 (GND1) LG - BR Sound signal (Front right) Audio system playing A waveform synchronized with sounds is output
    E65-2 (FL+) - E65-7 (GND1) P - BR Sound signal (Front left) Audio system playing A waveform synchronized with sounds is output
    E65-3 (ACC1) - E65-7 (GND1) GR - BR Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    E65-4 (+B1) - E65-7 (GND1) SB - BR Power source (+B) Always 11 to 14 V
    E65-5 (FR-) - E65-7 (GND1) L - BR Sound signal (Front right) Audio system playing A waveform synchronized with sounds is output
    E65-6 (FL-) - E65-7 (GND1) V - BR Sound signal (Front left) Audio system playing A waveform synchronized with sounds is output
    E65-7 (GND1) - Body ground BR - Body ground Ground Always Below 1 V
    E65-10 (ILL+) - E65-7 (GND1) G - BR Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position 11 to 14 V
    E66-1 (RR+) - E65-7 (GND1) R - BR Sound signal (Rear right) Audio system playing A waveform synchronized with sounds is output
    E66-2 (RL+) - E65-7 (GND1) B - BR Sound signal (Rear left) Audio system playing A waveform synchronized with sounds is output
    E66-3 (RR-) - E65-7 (GND1) W - BR Sound signal (Rear right) Audio system playing A waveform synchronized with sounds is output
    E66-5 (ILL-) - E65-7 (GND1) W - BR Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position Pulse generation
    E66-6 (RL-) - E65-7 (GND1) Y - BR Sound signal (Rear left) Audio system playing A waveform synchronized with sounds is output
    E68-11 (CA+) - E65-7 (GND1) R - BR Television camera power supply Ignition switch ACC 5.5 to 7.05 V
    E68-12 (V+) - E65-7 (GND1) B - BR Video signal Ignition switch ON
    Shift lever in R
    Camera lens not covered, displaying an image    		 Pulse generation (Refer to waveform 1)
    Ignition switch ON
    Shift lever in R
    Camera lens covered, blacking out screen    		 Pulse generation (Refer to waveform 2)
    E68-23 (CGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    E68-24 (V-) - E65-7 (GND1) W - BR Ground Always Below 1 V
    E67-1 (IG) - E65-7 (GND1) V - BR Power source (IG) Ignition switch off Below 1 V
    Ignition switch ON 11 to 14 V
    E67-2 (REV) - E65-7 (GND1) R - BR Reverse signal See "Vehicle Signal Check Mode" in Operation Check
    Refer to OPERATION CHECK [08/2013 - ]    		 -
    E67-4 (MACC) - E65-7 (GND1) R - BR Microphone power supply Ignition switch off Below 1 V
    Ignition switch ACC 4 to 6 V
    E67-5 (MIN+) - E65-7 (GND1) B - BR Microphone voice signal See "Check Microphone" in Operation Check
    Refer to OPERATION CHECK [08/2013 - ]    		 -
    E67-6 (SNS2) - E65-7 (GND1) G - BR Microphone connection detection signal Always Below 1 V
    E67-9 (CANH) G CAN communication signal - -
    E67-10 (CANL) W CAN communication signal - -
    E67-11 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    E67-15 (PKB) - E65-7 (GND1) B - BR Parking brake signal See "Vehicle Signal Check Mode" in Operation Check
    Refer to OPERATION CHECK [08/2013 - ]    		 -
    E67-17 (SPD) - E65-7 (GND1) V - BR Vehicle speed signal See "Vehicle Signal Check Mode" in Operation Check
    Refer to OPERATION CHECK [08/2013 - ]    		 -
    E67-18 (SGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    E67-19 (MIN-) - E65-7 (GND1) W - BR Microphone voice signal See "Check Microphone" in Operation Check
    Refer to OPERATION CHECK [08/2013 - ]    		 -
    E67-21 (SW1) - E67-23 (SWG) SB - B Steering pad switch signal No switch pushed 2.97 to 3.56 V
    Up switch pushed 0.27 to 0.35 V
    Down switch pushed 0.86 to 1.03 V
    Volume+ switch pushed 1.51 to 1.79 V
    Volume- switch pushed 2.22 to 2.66 V
    E67-22 (SW2) - E67-23 (SWG) R - B Steering pad switch signal No switch pushed 2.97 to 3.56 V
    MODE/HOLD switch pushed 0.27 to 0.35 V
    On hook switch pushed 0.86 to 1.03 V
    Off hook switch pushed 1.51 to 1.79 V
    Voice switch pushed 2.22 to 2.66 V
    E67-23 (SWG) - E65-7 (GND1) B - BR Steering pad switch ground Always Below 1 V
    E67-24 (SW3) - E67-23 (SWG) L - B Steering pad switch signal No switch pushed 2.97 to 3.56 V
    Enter switch pushed 0.27 to 0.35 V
    Back switch pushed 0.86 to 1.03 V
    Right switch pushed 1.51 to 1.79 V
    Left switch pushed 2.22 to 2.66 V
    E67-25 (ADPG) - E65-7 (GND1) SB - BR External device connection detection signal External device connected Below 1 V
    External device not connected 2.1 to 3 V
    E67-26 (VAR+) - E67-27 (VA-) W - R Sound signal (Right) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    E67-27 (VA-) - E65-7 (GND1) R - BR Ground Always Below 1 V
    E67-28 (VAL+) - E67-27 (VA-) B - R Sound signal (Left) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    k3-3 (ACC2) - E65-7 (GND1) Y - BR Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    k3-4 (+B2) - E65-7 (GND1) R - BR Power source (+B) Always 11 to 14 V
    k3-8 (GND2) - Body ground B - Body ground Ground Always Below 1 V
    u4-1 (USV1) - Power source - -
    u4-2 (US1-) - Data signal - -
    u4-3 (US1+) - Data signal - -
    u4-4 (UGD1) - Ground - -
    u4-5 (USG1) - Shield ground - -
    a3-1 (USV4) - Power source - -
    a3-2 (US4-) - Data signal - -
    a3-3 (US4+) - Data signal - -
    a3-4 (UGD4) - Ground - -
    a3-5 (USG4) - Shield ground - -
    b3-1 (LV1) - LVDS communication signal - -
    RA-5 (ANT+) - E65-7 (GND1) - - BR Power source of antenna Ignition switch ACC
    Radio switch on and FM or AM selected    		 11 to 14 V
    1. Reference (Oscilloscope waveform):
      1. Waveform 1 (camera lens not covered, displaying an image)
        Item Content
        Measurement terminal E68-12 (V+) - E65-7 (GND1)
        Measurement setting 200 mV/DIV., 50 μsec./DIV.
        Condition Ignition switch ON, shift lever in R
        GTY439792Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Waveform 1 (camera lens not covered, displaying an image)
        *b Synchronization Signal
        *c Video Waveform

        HINT: 

        • The video waveform changes according to the image sent by the television camera assembly.
        • The video waveform is constantly output when the ignition switch is turned to ACC.
      2. Waveform 2 (camera lens covered, blacking out the screen)
        Item Content
        Measurement terminal E68-12 (V+) - E65-7 (GND1)
        Measurement setting 200 mV/DIV., 50 μsec./DIV.
        Condition Ignition switch ON, shift lever in R
        GTY436138Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Waveform 2 (camera lens covered, blacking out the screen)
        *b Synchronization Signal
        *c Video Waveform

        HINT: 

        • The video waveform changes according to the image sent by the television camera assembly.
        • The video waveform is constantly output when the ignition switch is turned to ACC.
  2. STEREO COMPONENT TUNER ASSEMBLY 
    Fig 2: Stereo Component Tuner Assembly Connector End Views
    GTY455668Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    k2-3 (ACC2) - k2-8 (GND2) Y - B Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    k2-4 (+B2) - k2-8 (GND2) R - B Power source (+B) Always 11 to 14 V
    k2-8 (GND2) - Body ground B - Body ground Ground Always Below 1 V
    a2-1 (USV4) - Power source - -
    a2-2 (US4-) - Data signal - -
    a2-3 (US4+) - Data signal - -
    a2-4 (UGD4) - Ground - -
    a2-5 (USG4) - Shield ground - -
    b2-1 (LV1) - LVDS communication signal - -
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