Terminals Of Ecu [08/2017 - 08/2019]
- CHECK MILLIMETER WAVE RADAR SENSOR ASSEMBLY
- Measure the voltage and resistance according to the value(s) in the table below.
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition A66-8 (IGB) - A66-1 (SGND) R - BR Power source Ignition switch ON 11 to 14 V A66-1 (SGND) - Body ground BR - Body ground Ground Always Below 1 Ω - Check for pulses according to the value(s) in the table below.
HINT:
If the waveform is not similar to that shown in the illustration, malfunction of a CAN bus line, terminating resistor or the millimeter wave radar sensor assembly is suspected.
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition A66-3 (CA2H) - A66-1 (SGND) B - BR CAN communication signal Ignition switch ON Pulse generation
(See waveform 1)A66-2 (CA2L) - A66-1 (SGND) W - BR CAN communication signal Ignition switch ON Pulse generation
(See waveform 2)A66-5 (CA1P) - A66-1 (SGND) Y - BR CAN communication signal Ignition switch ON Pulse generation
(See waveform 1)A66-6 (CA1N) - A66-1 (SGND) W - BR CAN communication signal Ignition switch ON Pulse generation
(See waveform 2)- Waveform 1
Item Content Terminal Name Between A66-3 (CA2H) and A66-1 (SGND)
Between A66-5 (CA1P) and A66-1 (SGND)Tester Range 1 V/DIV., 10 μsec./DIV. Condition Ignition switch ON HINT:
The waveform varies depending on the CAN communication signal.
- Waveform 2
Item Content Terminal Name Between A66-2 (CA2L) and A66-1 (SGND)
Between A66-6 (CA1N) and A66-1 (SGND)Tester Range 1 V/DIV., 10 μsec./DIV. Condition Ignition switch ON HINT:
The waveform varies depending on the CAN communication signal.
- Waveform 1
- Measure the voltage and resistance according to the value(s) in the table below.
- CHECK FORWARD RECOGNITION CAMERA NOTE:
- DTCs may be stored when connectors are disconnected during inspection. Therefore, be sure to clear the DTCs using the Techstream once the inspection has been completed.
- Do not apply excessive force to the U22 forward recognition camera connector.
- Measure the voltage and resistance according to the value(s) in the table below.
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition U22-7 (IGB) - U22-10 (GND) R - BR Power source Ignition switch ON 11 to 14 V Ignition switch off Below 1 V U22-10 (GND) - Body ground BR - Body ground Ground Always Below 1 Ω - Check for pulses according to the value(s) in the table below.
HINT:
If the waveform is not similar to that shown in the illustration, malfunction of a CAN bus line, terminating resistor or the forward recognition camera is suspected.
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition U22-5 (CA1P) - U22-10 (GND) BE - BR CAN communication signal Ignition switch ON Pulse generation
(See waveform 1)U22-11 (CA1N) - U22-10 (GND) W - BR CAN communication signal Ignition switch ON Pulse generation
(See waveform 2)U22-6 (CANH) - U22-10 (GND) Y - BR CAN communication signal Ignition switch ON Pulse generation
(See waveform 1)U22-12 (CANL) - U22-10 (GND) W - BR CAN communication signal Ignition switch ON Pulse generation
(See waveform 2)- Waveform 1
Item Content Terminal Name Between U22-5 (CA1P) and U22-10 (GND)
Between U22-6 (CANH) and U22-10 (GND)Tester Range 1 V/DIV., 10 μsec./DIV. Condition Ignition switch ON HINT:
The waveform varies depending on the CAN communication signal.
- Waveform 2
Item Content Terminal Name Between U22-11 (CA1N) and U22-10 (GND)
Between U22-12 (CANL) and U22-10 (GND)Tester Range 1 V/DIV., 10 μsec./DIV. Condition Ignition switch ON HINT:
The waveform varies depending on the CAN communication signal.
- Waveform 1