TERMINALS OF ECU
REAR TELEVISION CAMERA ASSEMBLY
(a) Disconnect the S11 rear television camera assembly connector.
(b) Measure the voltage of each terminal of the wire harness side connector.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
S11-6 (CB+) - Body ground |
G - Body ground |
Power source |
Ignition switch ACC |
5.5 to 7.05 V |
If the result is not as specified, there may be a malfunction on the wire harness side.
(c) Reconnect the S11 rear television camera assembly connector.
(d) Measure the resistance and check for pulses at each terminal of the connector.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
S11-3 (CV+) - S11-2 (CV-) |
W - R |
Video signal |
Ignition switch ON Shift lever in R Camera lens not covered, displaying an image |
Pulse generation (Refer to waveform 1) |
Ignition switch ON Shift lever in R Camera lens covered, blacking out the screen |
Pulse generation (Refer to waveform 2) |
|||
S11-5 (CGND) - Body ground |
B - Body ground |
Camera ground |
Always |
Below 1 Ω |
HINT:
A waterproof connector is used for the rear television camera assembly. Therefore, inspect the waveform at the radio and display receiver assembly with the connector connected.
If the result is not as specified, the rear television camera assembly may be malfunctioning.
(e) Reference (Oscilloscope waveform):
*a |
Waveform 1 (camera lens is not covered, displaying an image) |
*b |
Waveform 2 (camera lens is covered, blacking out the screen) |
*c |
Synchronization Signal |
*d |
Video Waveform |
HINT:
A waterproof connector is used for the rear television camera assembly. Therefore, inspect the waveform at the radio and display receiver assembly with the connector connected.
(1) Waveform 1 (camera lens is not covered, displaying an image)
Item |
Content |
---|---|
Measurement terminal |
S11-3 (CV+) - S11-2 (CV-) |
Measurement setting |
200 mV/DIV., 50 μs./DIV. |
Condition |
Ignition switch ON, shift lever in R |
HINT:
(2) Waveform 2 (camera lens is covered, blacking out the screen)
Item |
Content |
---|---|
Measurement terminal |
S11-3 (CV+) - S11-2 (CV-) |
Measurement setting |
200 mV/DIV., 50 μs./DIV. |
Condition |
Ignition switch ON, shift lever in R |
HINT:
RADIO AND DISPLAY RECEIVER ASSEMBLY
HINT:
Check from the rear of the connector while it is connected to the components.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F131-26 (CSLD) - Body ground |
Shield - Body ground |
Shield ground |
Always |
Below 1 V |
F131-27 (CGND) - Body ground |
B - Body ground |
Camera ground |
Always |
Below 1 V |
F131-28 (V+) - F129-1 (GND1) |
R - LA*1 W - LA*2 |
Video signal |
Ignition switch ON Shift lever in R Camera lens not covered, displaying an image |
Pulse generation (Refer to waveform 1) |
Ignition switch ON Shift lever in R Camera lens covered, blacking out screen |
Pulse generation (Refer to waveform 2) |
|||
F131-29 (V-) - F129-1 (GND1) |
W - LA*1 R - LA*2 |
Ground |
Always |
Below 1 V |
F131-30 (CA+) - F129-1 (GND1) |
G - LA |
Rear television camera assembly power supply |
Ignition switch ACC |
5.5 to 7.05 V |
(a) Reference (Oscilloscope waveform):
(1) Waveform 1 (camera lens not covered, displaying an image)
Item |
Content |
---|---|
Measurement terminal |
F131-28 (V+) - F129-1 (GND1) |
Measurement setting |
200 mV/DIV., 50 μs/DIV. |
Condition |
Ignition switch ON, shift lever in R |
HINT:
*a |
Waveform 1 (camera lens not covered, displaying an image) |
*b |
Waveform 2 (camera lens covered, blacking out the screen) |
*c |
Synchronization Signal |
*d |
Video Waveform |
(2) Waveform 2 (camera lens covered, blacking out the screen)
Item |
Content |
---|---|
Measurement terminal |
F131-28 (V+) - F129-1 (GND1) |
Measurement setting |
200 mV/DIV., 50 μs/DIV. |
Condition |
Ignition switch ON, shift lever in R |
HINT:
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