Terminals Of Ecu [08/2019 - ]
- CHECK FORWARD RECOGNITION CAMERA NOTE:
- DTCs may be output 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 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 U14-7 (IGB) - U14-10 (GND) SB - BR Power source Engine switch on (IG) 11 to 14 V Engine switch off Below 1 V U14-10 (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, a 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 U14-5 (CA1P) - U14-10 (GND) V - BR CAN communication signal Engine switch on (IG) Pulse generation
(See waveform 1)U14-11 (CA1N) - U14-10 (GND) P - BR CAN communication signal Engine switch on (IG) Pulse generation
(See waveform 2)U14-6 (CANH) - U14-10 (GND) B - BR CAN communication signal Engine switch on (IG) Pulse generation
(See waveform 1)U14-12 (CANL) - U14-10 (GND) W - BR CAN communication signal Engine switch on (IG) Pulse generation
(See waveform 2)- WAVEFORM 1
Item Content Terminal Name Between U14-5 (CA1P) and U14-10 (GND)
Between U14-6 (CANH) and U14-10 (GND)Tester Range 1 V/DIV., 10 μs/DIV. Condition Engine switch on (IG) HINT:
The waveform varies depending on the CAN communication signal.
- WAVEFORM 2
Item Content Terminal Name Between U14-11 (CA1N) and U14-10 (GND)
Between U14-12 (CANL) and U14-10 (GND)Tester Range 1 V/DIV., 10 μs/DIV. Condition Engine switch on (IG) HINT:
The waveform varies depending on the CAN communication signal.
- WAVEFORM 1