TERMINALS OF ECU
HEADUP DISPLAY (METER MIRROR SUB-ASSEMBLY)
(a) Measure the voltage and resistance according to the value(s) in the table below.
Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
---|---|---|---|---|
K1-1 (B) - Body ground | GR - Body ground | Battery | Always | 11 to 14 V |
K1-2 (IG) - Body ground | B - Body ground | Engine switch signal | Engine switch off | Below 1 V |
Engine switch on (IG) | 11 to 14 V | |||
K1-4 (MPX1) - Body ground | B - Body ground | CAN communication line | - | - |
K1-5 (MPX2) - Body ground | W - Body ground | CAN communication line | - | - |
K1-6 (ES) - Body ground | BR - Body ground | Ground | Always | Below 1 Ω |
K1-7 (TX+) - Body ground | SB - Body ground | Local bus communication line | - | - |
K1-8 (TX-) - Body ground | BE - Body ground | Local bus communication line | - | - |
K1-15 (E) - Body ground | R - Body ground | Ground | Always | Below 1 Ω |
K1-16 (SW1) - K1-6 (ES) | LG - BR | Headup display switch assembly signal | Engine switch on (IG), headup display switch assembly not pushed | 4 to 6 V |
Engine switch on (IG), headup display switch assembly pushed | Below 1 V |
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