Terminals Of Ecu

HINT: 

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

1. Waveform 1 (DC/DC operation monitor / voltage change signal)

   Item	Content
   Terminal	A85-11 (VLO) - L135-6 (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 DC/DC converter.

   Fig 2: Identifying Waveform 1

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Waveform 2 (Inverter water pump assembly signal)

   Item	Content
   Terminal	CH1: A85-13 (IWP) - L135-6 (E1) CH2: A85-14 (NIWP) - L135-6 (E1)
   Equipment Setting	5 V/DIV., 50 ms./DIV.
   Condition	Power switch on (READY)

   HINT: 

   • CH1: Duty duration varies depending on the signal from the power management control ECU. (The duration of the pulse cycle is constant.)
   • CH2: The pulse cycle becomes shorter as the inverter water pump speed increases.
   Fig 3: Identifying Waveform 2

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Waveform 3 (Camshaft position sensor signal)

   Item	Content
   Terminal	A85-16 (GI) - L135-6 (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 4: Identifying Waveform 3

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Waveform 4 (A/C communication signal)

   Item	Content
   Terminal	CH1: A85-19 (CLK) - L135-6 (E1) CH2: A85-31 (ITE) - L135-6 (E1) CH3: A85-30 (ETI) - L135-6 (E1) CH4: A85-20 (STB) - L135-6 (E1)
   Equipment Setting	10 V/DIV., 100 ms./DIV.
   Condition	Power switch on (READY), air conditioning system stopped

   HINT: 

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

   Fig 5: Identifying Waveform 4

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Waveform 5 (HV battery blower fan operation signal)

   Item	Content
   Terminal	A85-28 (SI02) - L135-6 (E1) A85-29 (SI0) - L135-6 (E1)
   Equipment Setting	5 V/DIV., 500 ms./DIV.
   Condition	Power switch on (IG), during Active Test

   HINT: 

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

   Fig 6: Identifying Waveform 5

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6. Waveform 6 (MG communication clock signal)

   Item	Content
   Terminal	CH1: A86-21 (CLK+) - L135-6 (E1) CH2: A86-20 (CLK-) - L135-6 (E1)
   Equipment Setting	1 V/DIV., 1 μs./DIV.
   Condition	Power switch on (IG)

   Fig 7: Identifying Waveform 6

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
7. Waveform 7 (P position switch signal)

   Item	Content
   Terminal	CH1: A86-22 (PCON) - L135-6 (E1) CH2: A86-28 (PPOS) - L135-6 (E1)
   Equipment Setting	10 V/DIV., 10 ms./DIV.
   Condition	Power switch on (IG)

   Fig 8: Identifying Waveform 7

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
8. Waveform 8 (communication signal from power management control ECU to MG ECU)

   Item	Content
   Terminal	CH1: A86-24 (HTM+) - L135-6 (E1) CH2: A86-25 (HTM-) - L135-6 (E1)
   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 9: Identifying Waveform 8

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
9. Waveform 9 (communication signal from MG ECU to power management control ECU)

   Item	Content
   Terminal	CH1: A86-30 (MTH+) - L135-6 (E1) CH2: A86-29 (MTH-) - L135-6 (E1)
   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 10: Identifying Waveform 9

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
10. Waveform 10 (MG ECU communication request signal)

    Item	Content
    Terminal	CH1: A86-33 (REQ+) - L135-6 (E1) CH2: A86-32 (REQ-) - L135-6 (E1)
    Equipment Setting	1 V/DIV., 1 ms./DIV.
    Condition	Power switch on (IG)

    Fig 11: Identifying Waveform 10

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
11. Waveform 11 (system main relay operation signal)

    Item	Content
    Terminal	CH1: L135-3 (SMRP) - L135-5 (E01) CH2: L135-4 (SMRB) - L135-5 (E01) CH3: L135-2 (SMRG) - L135-5 (E01)
    Equipment Setting	10 V/DIV., 200 ms./DIV.
    Condition	Power switch on (IG) → Power switch on (READY)

    Fig 12: Identifying Waveform 11

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
12. Waveform 12 (vehicle speed signal)

    Item	Content
    Terminal	L135-14 (SPDI) - L135-6 (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 13: Identifying Waveform 12

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
13. Waveform 13 (airbag activation signal)

    Item	Content
    Terminal	L135-29 (ABFS) - L135-6 (E1)
    Equipment Setting	5 V/DIV., 500 ms./DIV.
    Condition	Power switch on (READY)

    Fig 14: Identifying Waveform 13

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
14. Waveform 14 (communication signal from battery smart unit to power management control ECU)

    Item	Content
    Terminal	CH1: L135-32 (BTH+) - L135-6 (E1) CH2: L135-33 (BTH-) - L135-6 (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 15: Identifying Waveform 14

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
15. Waveform 15 (CAN communication signal)

    Item	Content
    Terminal	CH1: L135-34 (CA2H) - L135-6 (E1) CH2: L135-35 (CA2L) - L135-6 (E1)
    Equipment Setting	1 V/DIV., 50 μs./DIV.
    Condition	Power switch on (IG)

    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 (immobiliser communication signal)

    Item	Content
    Terminal	CH1: L136-20 (IMO) - L135-6 (E1) CH2: L136-21 (IMI) - L135-6 (E1)
    Equipment Setting	5 V/DIV., 200 ms./DIV.
    Condition	Power switch off → Power switch on (IG) → Power switch on (READY)

    Fig 17: Identifying Waveform 16

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
17. Waveform 17 (CAN communication signal)

    Item	Content
    Terminal	CH1: L136-25 (CA1H) - L135-6 (E1) CH2: L136-24 (CA1L) - L135-6 (E1)
    Equipment Setting	1 V/DIV., 50 μs./DIV.
    Condition	Power switch on (IG)

    HINT: 

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

    Fig 18: Identifying Waveform 17

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
18. Waveform 18 (CAN communication signal)

    Item	Content
    Terminal	CH1: L136-29 (CA4H) - L135-6 (E1) CH2: L136-28 (CA4L) - L135-6 (E1)
    Equipment Setting	1 V/DIV., 50 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 (CAN communication signal)

    Item	Content
    Terminal	CH1: L136-31 (CA3P) - L135-6 (E1) CH2: L136-30 (CA3N) - L135-6 (E1)
    Equipment Setting	1 V/DIV., 50 μs./DIV.
    Condition	Power switch on (IG)

    HINT: 

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

    Fig 20: Identifying Waveform 19

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 21: A59 & D29 Connector Terminal Identification

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT: 

Since the inverter with converter assembly uses waterproof connectors, the voltage and waveform cannot be inspected directly. Standard voltage readings and waveforms are indicated for reference only.

HINT: 

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

1. Waveform 1 (DC/DC operation monitor / voltage change signal)

   Item	Content
   Terminal	A59-3 (VLO) - A59-28 (GND1)
   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 DC/DC converter.

   Fig 22: Identifying Waveform 1

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

   Item	Content
   Terminal	CH1: A59-5 (CLK+) - A59-28 (GND1) CH2: A59-15 (CLK-) - A59-28 (GND1)
   Equipment Setting	1 V/DIV., 1 μs./DIV.
   Condition	Power switch on (READY)

   Fig 23: Identifying Waveform 2

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Waveform 3 (MG ECU communication request signal)

   Item	Content
   Terminal	CH1: A59-6 (REQ+) - A59-28 (GND1) CH2: A59-16 (REQ-) - A59-28 (GND1)
   Equipment Setting	1 V/DIV., 1 ms./DIV.
   Condition	Power switch on (READY)

   Fig 24: Identifying Waveform 3

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Waveform 4 (communication signal from MG ECU to power management control ECU)

   Item	Content
   Terminal	CH1: A59-7 (MTH+) - A59-28 (GND1) CH2: A59-17 (MTH-) - A59-28 (GND1)
   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 25: Identifying Waveform 4

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Waveform 5 (communication signal from power management control ECU to MG ECU)

   Item	Content
   Terminal	CH1: A59-8 (HTM+) - A59-28 (GND1) CH2: A59-18 (HTM-) - A59-28 (GND1)
   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 26: Identifying Waveform 5

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6. Waveform 6 (Camshaft position sensor signal)

   Item	Content
   Terminal	A59-29 (GI) - A59-28 (GND1)
   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 27: Identifying Waveform 6

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
7. Waveform 7 (motor resolver signal)

   Item	Content
   Terminal	CH1: D29-1 (MRF) - D29-2 (MRFG) CH2: D29-3 (MSN) - D29-4 (MSNG) CH3: D29-6 (MCS) - D29-5 (MCSG)
   Equipment Setting	CH1: 10 V/DIV., 1 ms./DIV. CH2, 3: 5 V/DIV., 1 ms./DIV.
   Condition	Motor resolver running

   HINT: 

   Pulse cycle A becomes shorter as the rotor speed increases.

   Fig 28: Identifying Waveform 7

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
8. Waveform 8 (generator resolver signal)

   Item	Content
   Terminal	CH1: D29-11 (GRF) - D29-12 (GRFG) CH2: D29-7 (GSN) - D29-8 (GSNG) CH3: D29-10 (GCS) - D29-9 (GCSG)
   Equipment Setting	CH1: 10 V/DIV., 1 ms./DIV. CH2, 3: 5 V/DIV., 1 ms./DIV.
   Condition	Generator resolver running

   HINT: 

   Pulse cycle A becomes shorter as the rotor speed increases.

   Fig 29: Identifying Waveform 8

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002