Terminals Of Ecu

CHECK HYBRID VEHICLE CONTROL ECU

Fig 1: Identifying Hybrid Vehicle Control ECU Connector Terminal Identification

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
A58-33 (TC) - C28-14 (E1)	P - BR	Terminal TC of DLC3	Power switch on (IG)	10 to 14 V
A58-33 (TC) - C28-14 (E1)	P - BR	Terminal TC of DLC3	Terminals TC and CG of DLC3 connected	Below 1 V
A58-56 (STP) - C28-14 (E1)	LG - BR	Stop light signal	Power switch on (IG), brake pedal depressed	10 to 14 V
A58-56 (STP) - C28-14 (E1)	LG - BR	Stop light signal	Power switch on (IG), brake pedal released	Below 1 V
A58-74 (CCS) - C28-14 (E1)	W - BR	Cruise control main switch circuit	Power switch on (IG)	10 to 14 V
A58-74 (CCS) - C28-14 (E1)	W - BR	Cruise control main switch circuit	CANCEL switch ON	6.6 to 10.1 V
A58-74 (CCS) - C28-14 (E1)	W - BR	Cruise control main switch circuit	SET/COAST switch ON	4.5 to 7.1 V
A58-74 (CCS) - C28-14 (E1)	W - BR	Cruise control main switch circuit	RES/ACC switch ON	2.3 to 4.0 V
A58-74 (CCS) - C28-14 (E1)	W - BR	Cruise control main switch circuit	MAIN switch ON	Below 1 V
A58-55 (ST1-) - C28-14 (E1)	GR - BR	Stop light signal	Power switch on (IG), brake pedal depressed	Below 1 V
A58-55 (ST1-) - C28-14 (E1)	GR - BR	Stop light signal	Power switch on (IG), brake pedal released	10 to 14 V
A58-21 (SPDI) - C28-14 (E1)	L - BR	Vehicle speed signal	Approximately 20 km/h (12 mph)	Pulse generation (See waveform 1)
A58-85 (VSX1) - A58-101 (E2X1)	L - G	Shift position signal	Power switch on (IG) Shift position D or B	4.0 to 4.8 V
A58-97 (VSX4) - C28-14 (E1)	W - BR	Shift position signal	Power switch on (IG) Shift position D, R or N	3.0 to 4.85 V
A58-98 (VSX3) - A58-14 (E1)	G - BR	Shift position signal	Power switch on (IG) Shift position D, R or N	3.0 to 4.85 V

Oscilloscope waveforms

HINT:

Oscilloscope waveform samples are provided here for information purposes. Noise and fluttering waveforms have been omitted.

Waveform 1 (vehicle speed signal)

Fig 2: Waveform Graph

Item	Content
Terminal	SPDI - E1
Equipment Setting	5 V/DIV., 20 ms./DIV.
Condition	Driving at approximately 20 km/h (12 mph) with power switch on (READY)

HINT:

The higher the vehicle speed, the shorter the cycle.