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Terminals Of Ecu

Fig 1: Identifying Terminals Of ECU
G03002521Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
TERMINALS OF ECU REFERENCE TABLE

Symbols (Terminal No.) Wiring Color Condition Specified Condition
SOL+ (P52-1) - GND (P52-6) G - W-B Vehicle speed 0 km/h -> 35 km/h 6 -> 4.4V
SOL- (P52-2) - GND (P52-6) L-B - W-B IG switch ON Below 1 V
IG (P52-4) - GND (P52-6) B-R - W-B IG switch ON 10 to 14V
SPD (P52-5) - GND (P52-6) V-W - W-B IG switch ON, rotate driving wheel slowly Pulse generation
GND (P52-6) - Body ground W-B -Body ground Always Below 1 Ω