Terminals Of Ecu

HINT:

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

1. Waveform 1 (oil pump motor signal)
   WAVEFORM REFERENCE
   
   

   Item	Contents
   Terminal	OPST - E1
   Equipment Setting	5V/DIV., 10ms./DIV.
   Condition	Power switch on (READY)

   Fig 2: Identifying Waveform 1

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2. Waveform 2 (oil pump motor signal)
   WAVEFORM REFERENCE
   
   

   Item	Contents
   Terminal	OPS1 - E1
   Equipment Setting	5 V/DIV., 1 ms./DIV.
   Condition	Power switch on (READY)

   Fig 3: Identifying Waveform 2

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Waveform 3(system main relay operation signal)
   WAVEFORM REFERENCE
   
   

   Item	Contents
   Terminal	CH1: SMRP - E1 CH2: SMRB - E1 CH3: SMRG - E1
   Equipment Setting	10 V/DIV., 500 ms./DIV.
   Condition	Power switch on (IG) → Power switch on (READY)

   Fig 4: Identifying Waveform 3

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Waveform 4 (immobilizer communication signal)
   WAVEFORM REFERENCE
   
   

   Item	Contents
   Terminal	CH1: IMO - E1 CH1: IMI - E1
   Equipment Setting	5 V/DIV., 200 ms./DIV.
   Condition	Power switch off → Power switch on (IG) → Power switch on (READY)

   Fig 5: Identifying Waveform 4

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Waveform 5 (CAN communication signal)
   WAVEFORM REFERENCE
   
   

   Item	Contents
   Terminal	CH1: CANH - E1 CH2: CANL - E1
   Equipment Setting	1 V/DIV., 20 HS./DIV.
   Condition	Power switch on (IG)

   HINT:

   The waveform will vary depending on the content of the digital communication (digital signal).

   Fig 6: Identifying Waveform 5

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6. Waveform 6 (CAN communication signal)
   WAVEFORM REFERENCE
   
   

   Item	Contents
   Terminal	CH1: CAN+ - E1 CH2: CAN- - E1
   Equipment Setting	1 V/DIV, 20 ms./DIV.
   Condition	Power switch on (IG)

   Fig 7: Identifying Waveform 6

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   HINT:

   The waveform will vary depending on the content of the digital communication (digital signal).

7. Waveform 7 (GI signal)
   WAVEFORM REFERENCE
   
   

   Item	Contents
   Terminal	CH1: GI - E1
   Equipment Setting	5 V/DIV., 20 ms./DIV.
   Condition	Power switch on (READY) with engine running

   HINT:

   The pulse cycle becomes shorter as the engine speed increases.

   Fig 8: Identifying Waveform 7

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
8. Waveform 8 (NEI signal)
   WAVEFORM REFERENCE
   
   

   Item	Contents
   Terminal	NEI - E1
   Equipment Setting	5 V/DIV., 1 ms./DIV.
   Condition	Power switch on (READY) with engine running

   HINT:

   The pulse cycle becomes shorter as the engine speed increases.

   Fig 9: Identifying Waveform 8

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
9. Waveform 9 (vehicle speed signal)
   WAVEFORM REFERENCE
   
   

   Item	Contents
   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.

   Fig 10: Identifying Waveform 9

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
10. Waveform 10 (VLO signal)
    WAVEFORM REFERENCE
    
    

    Item	Contents
    Terminal	VLO - E1
    Equipment Setting	5 V/DIV., 50 ms./DIV.
    Condition	Power switch on (IG)

    HINT:

    The cycle will vary depending on the specified voltage of the hybrid vehicle converter.

    Fig 11: Identifying Waveform 10

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
11. Waveform 11 (HV battery blower fan operation signal)
    WAVEFORM REFERENCE
    
    

    Item	Contents
    Terminal	SIO - E1
    Equipment Setting	5 V/DIV., 100 ms./DIV.
    Condition	Power switch on (IG) during active test

    Fig 12: Identifying Waveform 11

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
12. Waveform 12 (HV water pump signal)
    WAVEFORM REFERENCE
    
    

    Item	Contents
    Terminal	IWP - E1
    Equipment Setting	5V/DIV., 100ms./DIV.
    Condition	Power switch on (READY)

    Fig 13: Identifying Waveform 12

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
13. Waveform 13 (power meter signal)
    WAVEFORM REFERENCE
    
    

    Item	Contents
    Terminal	PMET - E1
    Equipment Setting	5 V/DIV., 50 ms./DIV.
    Condition	Power switch on (IG)

    Fig 14: Identifying Waveform 13

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
14. Waveform 14 (communication signal from HV control ECU to MG ECU)
    WAVEFORM REFERENCE
    
    

    Item	Contents
    Terminal	CH1: HTM+ - E1 CH2: HTM- - E1
    Equipment Setting	1 V/DIV., 200 μs./DIV.
    Condition	Power switch on (READY)

    HINT:

    The waveform will vary depending on the content of the digital communication (digital signal).

    Fig 15: Identifying Waveform 14

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
15. Waveform 15 (communication signal from MG ECU to HV control ECU)
    WAVEFORM REFERENCE
    
    

    Item	Contents
    Terminal	CH1: HTM+ - E1 CH2: HTM- - E1
    Equipment Setting	1 V/DIV., 200 μs./DIV.
    Condition	READY-on state

    HINT:

    The waveform will vary depending on the content of the digital communication (digital signal).

    Fig 16: Identifying Waveform 15

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
16. Waveform 16 (MG communication clock signal)
    WAVEFORM REFERENCE
    
    

    Item	Contents
    Terminal	CH1: CLK+ - E1 CH2: CLK- - E1
    Equipment Setting	1 V/DIV., 1 μs./DIV.
    Condition	Power switch on (READY)

    Fig 17: Identifying Waveform 16

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
17. Waveform 17 (MG communication request signal)
    WAVEFORM REFERENCE
    
    

    Item	Contents
    Terminal	CH1: REQ+ - E1 CH2: REQ- - E1
    Equipment Setting	1 V/DIV., 1 ms./DIV.
    Condition	Power switch on (READY)

    Fig 18: Identifying Waveform 17

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
18. Waveform 18 (communication signal from battery smart unit to HV control ECU)
    WAVEFORM REFERENCE
    
    

    Item	Contents
    Terminal	CH1: BTH+ - E1 CH2: BTH- - E1
    Equipment Setting	2 V/DIV., 500 μs./DIV.
    Condition	Power switch on (IG)

    HINT:

    The waveform will vary depending on the content of the digital communication (digital signal).

    Fig 19: Identifying Waveform 18

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
19. Waveform 19 (airbag deployment signal)
    WAVEFORM REFERENCE
    
    

    Item	Contents
    Terminal	ABFS - E1
    Equipment Setting	5 V/DIV., 500ms./DIV.
    Condition	Power switch on (READY)

    Fig 20: Identifying Waveform 19

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
20. Waveform 20 (READY signal)
    WAVEFORM REFERENCE
    
    

    Item	Contents
    Terminal	RDY - E1
    Equipment Setting	10V/DIV., 10ms./DIV.
    Condition	Power switch on (IG) / Power switch on (READY)

    Fig 21: Identifying Waveform 20

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
21. Waveform 21 (SL1 solenoid valve signal)
    WAVEFORM REFERENCE
    
    

    Item	Contents
    Terminal	SL1+-SL1-
    Equipment Setting	5 V/DIV., 2 ms./DIV.
    Condition	During active test

    Fig 22: Identifying Waveform 21

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
22. Waveform 22 (A/C communication signal)
    WAVEFORM REFERENCE
    
    

    Item	Contents
    Terminal	CH1: CLK - E1 CH2: ITE - E1 CH3: ETI - E1 CH4: STB - E1
    Equipment Setting	10 V/DIV., 100 ms./DIV.
    Condition	Power switch on (READY) with air conditioning system stop

    HINT:

    The waveform will vary depending on the content of the digital communication (digital signal).

    Fig 23: Identifying Waveform 22

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
23. Waveform 23 (SL2 solenoid valve signal)
    WAVEFORM REFERENCE
    
    

    Item	Contents
    Terminal	SL2+ - SL2-
    Equipment Setting	5 V/DIV., 2 ms./DIV.
    Condition	During active test

    Fig 24: Identifying Waveform 23

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
24. Waveform 24 (transmission revolution signal)
    WAVEFORM REFERENCE
    
    

    Item	Contents
    Terminal	SP2+ - SP2-
    Equipment Setting	2 V/DIV., 2 ms./DIV.
    Condition	Driving at approximately 55 km/h (34 mph) with power switch on (READY)

    HINT:

    The higher the vehicle speed, the shorter the cycle.

    Fig 25: Identifying Waveform 24

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 26: Identifying A60 ECU Connector Terminals

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TERMINAL DESCRIPTION
    
    

    Symbols (Terminal No.)	Wiring Color	Terminal Description	Condition	Standard Voltage (V)
    +B (A60-31) - GND1 (A60-11)	L - W-B	MG - ECU battery	Power switch on (IG)	10 to 14
    +B2 (A60-30) - GND1 (A60-11)	L - W-B	MG - ECU battery	Power switch on (IG)	10 to 14
    CLK+ (A60-39) - GND1 (A60-11)	B - W-B	Communication clock signal	Power switch on (IG)	10 to 14
    CLK- (A60-38) - GND1 (A60-11)	W - W-B	Communication clock signal	Power switch on (IG)	10 to 14
    MRR (A60-33) - MFRG (A60-22)	L - B	Motor resolver signal	Motor resolver stopped or running	Pulse generation (Waveform 1)
    ILKO (A60-32) - GND1 (A60-11)	B - W-B	Interlock switch signal	Power switch on (IG), inverter cover and service plug grip installed correctly	Below 1
    ILKO (A60-32) - GND1 (A60-11)	B - W-B	Interlock switch signal	Power switch on (IG), inverter cover and service plug grip detached	10 to 14
    REQ+ (A60-29) - GND1 (A60-11)	B - W-B	Communication request signal	Power switch on (IG)	Pulse generation (Waveform 2)
    MTH+ (A60-8) - GND1 (A60-11)	B - W-B	Communication signal from MG to HV	Power switch on (IG)	Pulse generation (Waveform 3)
    MTH- (A60-7) - GND1 (A60-11)	W - W-B	Communication signal from MG to HV	Power switch on (IG)	Pulse generation (Waveform 3)
    MCS (A60-24) - MCSG (A60-34)	R - W	Motor resolver signal	Motor resolver stopped or running	Pulse generation (Waveform 1)
    MSN (A60-23) - MSNG (A60-35)	Y - G	Motor resolver signal	Motor resolver stopped or running	Pulse generation (Waveform 1)
    ILKI (A60-21) - GND1 (A60-11)	W-B - W-B	Interlock switch signal	Power switch on (IG), inverter cover and service plug grip installed correctly	Below 1
    ILKI (A60-21) - GND1 (A60-11)	W-B - W-B	Interlock switch signal	Power switch on (IG), inverter cover and service plug grip detached	10 to 14
    REQ- (A60-20) - GND1 (A60-11)	W - W-B	Communication request signal	Power switch on (IG)	Pulse generation (Waveform 2)
    GI (A60-17) - GND1 (A60-11)	W - W-B	GI signal	Power switch on (READY), engine started	Pulse generation (Waveform 4)
    GSN (A60-14) - GSNG (A60-3)	Y - G	Generator resolver signal	Generator resolver stopped or running	Pulse generation (Waveform 5)
    GCS (A60-13) - GCSG (A60-2)	R - W	Generator resolver signal	Generator resolver stopped or running	Pulse generation (Waveform 5)
    HTM+ (A60-27) - GND1 (A60-11)	B - W-B	Communication signal from HV to MG	Generator resolver stopped or running	Pulse generation (Waveform 6
    HTM- (A60-26) - GND1 (A60-11)	B - W-B	Communication signal from HV to MG	Generator resolver stopped or running	Pulse generation (Waveform 6)
    HSDN (A60-6) - GND1 (A60-11)	B - W-B	MG shutdown signal	Generator resolver stopped or running	0 to 1
    GRF (A60-1) - GRFG (A60-12)	L - W-B	Generator resolver signal	Generator resolver stopped or running	Pulse generation (Waveform 6)

    NOTE: Do not measure voltage or waveform directly at the sealed side of the inverter with converter assembly connectors. Doing so may damage the connectors because these connectors are waterproof.

HINT:

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

1. Waveform 1 (Motor resolver signal)
   WAVEFORM REFERENCE
   
   

   Item	Contents
   Terminal	CH1: MRF - MRFG CH2: MSN - MSNG CH2: MCS - MCSG
   Equipment Setting	CH1: 10V/DIV., 1 ms./DIV. CH2, CH3: 5 V/DIV., 1 ms./DIV.
   Condition	Resolver running

   HINT:

   Pulse cycle A becomes shorter as the rotor speed increases.

   Fig 27: Identifying Waveform 1

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Waveform 2 (MG ECU communication request signal)
   WAVEFORM REFERENCE
   
   

   Item	Contents
   Terminal	CH1: REQ+ -GND1 CH2: REQ- -GND11
   Equipment Setting	1 V/DIV., 1 ms./DIV.
   Condition	Power switch on (IG)

   Fig 28: Identifying Waveform 2

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Waveform 3 (Communication signal from MG ECU to HV control ECU)
   WAVEFORM REFERENCE
   
   

   Item	Contents
   Terminal	CH1: MTH+-GND1 CH2: MTH- - GND1
   Equipment Setting	1 V/DIV., 200 μs./DIV.
   Condition	Power switch on (IG)

   HINT:

   The waveform will vary depending on the content of the digital communication (digital signal).

   Fig 29: Identifying Waveform 3

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Waveform 4 (GI signal)
   WAVEFORM REFERENCE
   
   

   Item	Contents
   Terminal	CH1: GI - E1
   Equipment Setting	5 V/DIV., 20 ms./DIV.
   Condition	Power switch on (READY) with engine running

   HINT:

   The pulse cycle becomes shorter as the engine speed increases.

   Fig 30: Identifying Waveform 4

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Waveform 5 (Generator resolver signal)
   WAVEFORM REFERENCE
   
   

   Item	Contents
   Terminal	CH1: GRF-GRFG CH2: GSN-GSNG CH2: GCS - GCSG
   Equipment Setting	CH1: 10 V/DIV., 1 ms./DIV. CH2, CH3: 5 V/DIV., 1 ms./DIV.
   Condition	Resolver running

   HINT:

   Pulse cycle A becomes shorter as the rotor speed increases.

   Fig 31: Identifying Waveform 5

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6. Waveform 6 (Communication signal from HV control ECU to MG ECU)
   WAVEFORM REFERENCE
   
   

   Item	Contents
   Terminal	CH1: HTM+ -GND1 CH2: HTM- - GND1
   Equipment Setting	1 V/DIV., 200 ms./DIV.
   Condition	Power switch on (IG)

   HINT:

   The waveform will vary depending on the content of the digital communication (digital signal).

   Fig 32: Identifying Waveform 6

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002