CHECK PARKING ASSIST ECU
Measure the voltage, resistance and check for pulses according to value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| I3-1 (+B) - I3-3 (GND1) | L - W-B | Power source signal | Always | 11 to 14 V |
| I3-3 (GND1) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| I3-7 (IG) - I3-3 (GND1) | L - W-B | IG Power source signal | Ignition switch ON | 11 to 14 V |
| I3-8 (ACC) - I3-3 (GND1) | P - W-B | ACC Power source signal | Ignition switch ACC | 11 to 14 V |
| I3-23 (BLSW) - I3-3 (GND1) | L - W-B | Wide view front and side monitor switch signal | Ignition switch ON, wide view front and side monitor switch pushed in | Below 1 V |
| Ignition switch ON, wide view front and side monitor switch not pushed in | 4.0 to 5.5 V | |||
| I3-24 (TX-) | LG | AVC-LAN communication signal | - | - |
| I3-25 (TX+) | L | AVC-LAN communication signal | - | - |
| I2-15 (SCV-) - I3-3 (GND1) | W - W-B | Front passenger side television camera ground | Always | Below 1 V |
| I2-16 (SCV+) - I3-15 (SCV-) | R - W | Front passenger side television camera display signal (NTSC) input | Ignition switch ON, wide view front and side monitor switch on | Pulse generation (See waveform 1) |
| Ignition switch ON, wide view front and side monitor switch on and screen blacked out by covering camera lens | Pulse generation (See waveform 2) |
|||
| I2-17 (SGND) - Body ground | GR - Body ground | Front passenger side television camera shield ground | Always | Below 1 V |
| I2-18 (SCB+) - I3-3 (GND1) | B - W-B | Power source to front passenger side television camera | Ignition switch ON, wide view front and side monitor switch on | 5.8 to 7.05 V |
| I2-27 (DCV-) - I3-3 (GND1) * |
W - W-B | Driver side television camera ground | Always | Below 1 V |
| I2-28 (DCV+) - I3-27 (DCV-) * |
R - W | Driver side television camera display signal (NTSC) input | Ignition switch ON, wide view front and side monitor switch on | Pulse generation (See waveform 3) |
| Ignition switch ON, wide view front and side monitor switch on and screen blacked out by covering camera lens | Pulse generation (See waveform 4) |
|||
| I2-29 (DGND) - Body ground * |
GR - Body ground | Driver side television camera shield ground | Always | Below 1 V |
| I2-30 (DCB+) - I3-3 (GND1) * |
B - W-B | Power source to driver side television camera | Ignition switch ON, wide view front and side monitor switch on | 5.8 to 7.05 V |
*: w/ Multi-terrain Monitor
Using an oscilloscope, check waveform 1.
| Item | Content |
|---|---|
| Terminal No. (Symbol) | I2-16 (SCV+) - I3-15 (SCV-) |
| Tool Setting | 200 mV/DIV., 50 μsec./DIV. |
| Condition | Ignition switch ON, wide view front and side monitor switch on |
Using an oscilloscope, check waveform 2.
| Item | Content |
|---|---|
| Terminal No. (Symbol) | I2-16 (SCV+) - I3-15 (SCV-) |
| Tool Setting | 200 mV/DIV., 50 μsec./DIV. |
| Condition | Ignition switch ON, wide view front and side monitor switch on, screen blacked out by covering camera lens |
Using an oscilloscope, check waveform 3.
| Item | Content |
|---|---|
| Terminal No. (Symbol) | I2-28 (DCV+) - I3-27 (DCV-) |
| Tool Setting | 200 mV/DIV., 50 μsec./DIV. |
| Condition | Ignition switch ON, wide view front and side monitor switch on |
Using an oscilloscope, check waveform 4.
| Item | Content |
|---|---|
| Terminal No. (Symbol) | I2-28 (DCV+) - I3-27 (DCV-) |
| Tool Setting | 200 mV/DIV., 50 μsec./DIV. |
| Condition | Ignition switch ON, wide view front and side monitor switch on, screen blacked out by covering camera lens |