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On-Vehicle Inspection

WARNING: This page is about a different car, the 2006 Scion tC. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY 
    Fig 1: Identifying Instrument Panel Junction Block Assembly (Rear Side)
    G04224142Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TERMINAL DESCRIPTION CONDITION CHART

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
    BCTY (1A - 7) - GND (1E -17), (1M - 7) V - W - B Back door courtesy switch signal Back door is opened Below 1 V
    BCTY (1A - 7) - GND (1E -17), (1M - 7) V - W - B Back door courtesy switch signal Back door is closed 10 to 14 V
    DCTY (1A - 21) - GND (1E - 17), (1M - 7) O - W -B Driver side door courtesy switch signal Driver side door is opened Below 1 V
    DCTY (1A - 21) - GND (1E - 17), (1M - 7) O - W - B Driver side door courtesy switch signal Driver side door is closed 10 to 14 V
    TRLY (1A - 21) - GND (1E - 17), (1M - 7) BR - W - B TAIL signal (Rear combination light circuit) Light control switch OFF Below 1 V
    TRLY (1A - 21) - GND (1E - 17), (1M - 7) BR - W - B TAIL signal (Rear combination light circuit) Light control switch is in TAIL position 10 to 14 V
    PCTY (1C - 14) - GND (1E - 17), (1M - 7) L - W - B Passenger side door courtesy switch signal Passenger side door is opened Below 1 V
    PCTY (1C - 14) - GND (1E - 17), (1M - 7) L - W - B Passenger side door courtesy switch signal Passenger side door is closed 10 to 14 V
    GND (1E - 17) - Body ground W - B - Body ground Ground Always Below 1 V
    ILL (1E -27) - GND (1E - 17), (1M - 7) O - W - B Ignition key cylinder light signal Ignition key cylinder light comes on Below 1 V
    ILL (1E -27) - GND (1E - 17), (1M - 7) O - W - B Ignition key cylinder light signal Ignition key cylinder light goes off 10 to 14 V
    SIG (1G - 1) - GND (1E - 17), (1M - 7) W - W - B Power source signal Always 10 to 14 V
    ILL (1K - 2) - GND (1E - 17), (1M - 7) L - W - B Interior illumination signal (Map light / Room light No. 1 circuit) Interior light is in DOOR position Below 1 V
    ILL (1K - 2) - GND (1E - 17), (1M - 7) L - W - B Interior illumination signal (Map light / Room light No. 1 circuit) Interior light is in any position except DOOR 10 to 14 V
    GND (1M - 7) - Body ground W - B - Body ground Ground Always Below 1 V
    TRLY (1P - 9) - GND (1E - 17), (1M - 7) GR - W - B TAIL signal (Indicator light (Front console illumination) circuit) Light control switch OFF Below 1 V
    TRLY (1P - 9) - GND (1E - 17), (1M - 7) GR - W - B TAIL signal (Indicator light (Front console illumination) circuit) Light control switch is in TAIL position 10 to 14 V
    TAIL (16 - 13) - GND (1E - 17), (1M - 7) BR - W - B Light control switch (TAIL) signal Light control switch is in TAIL position Below 1 V
    TAIL (16 - 13) - GND (1E - 17), (1M - 7) BR - W - B Light control switch (TAIL) signal Light control switch is in any position except TAIL 10 to 14 V
    HRLY (16 - 14) - GND (1E - 17), (1M - 7) B - W - B HEAD operation signal Headlight comes on Below 1 V
    HRLY (16 - 14) - GND (1E - 17), (1M - 7) B - W - B HEAD operation signal Headlight goes off 10 to 14 V
    HEAD (16 - 17) - GND (1E - 17), (1M - 7) V - W - B Light control switch (HEAD) signal Light control switch is in HEAD position Below 1 V
    HEAD (16 - 17) - GND (1E - 17), (1M - 7) V - W - B Light control switch (HEAD) signal Light control switch is in any position except HEAD 10 to 14 V
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