PARKING ASSIST ECU
Disconnect the G96 parking assist ECU 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 |
---|---|---|---|---|
G96-1 (+B) - G96-4 (GND1) | LA-G - LA | Power source signal | Always | 11 to 14 V |
G96-4 (GND1) - Body ground | LA - Body ground | Ground | Always | Below 1 Ω |
G96-3 (IG) - G96-4 (GND1) | LA-V - LA | IG power source signal | Engine switch on (IG) | 11 to 14 V |
Engine switch off | Below 1 V | |||
G96-2 (ACC) - G96-4 (GND1) | LA-R - LA | ACC power source signal | Engine switch on (ACC) | 11 to 14 V |
Engine switch off | Below 1 V |
Reconnect the G96 and G95 parking assist ECU connector.
Measure the voltage, resistance and waveform according to the value(s) in the table below.
Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
---|---|---|---|---|
G95-6 (RSW+) - G96-4 (GND1) | L - LA | Terminal required by law | Panoramic image being displayed | 0 to 2 V |
Panoramic image not being displayed | 5.5 to 7.05 V | |||
G96-15 (BLSW) - Body ground | P - Body ground | Panoramic view monitor main switch (integration control and panel assembly) switch signal | Engine switch on (IG), panoramic view monitor main switch (integration control and panel assembly) off | 5.5 to 6.5 V |
Engine switch on (IG), panoramic view monitor main switch (integration control and panel assembly) on | Below 1 V | |||
G95-29 (CV+) - G95-32 (CGND) | W - R | Rear television camera assembly display signal input | Engine switch on (IG), panoramic view monitor main switch (integration control and panel assembly) on, camera lens not covered, displaying image | Pulse generation (See waveform 1) |
Engine switch on (IG), panoramic view monitor main switch (integration control and panel assembly) on, camera lens covered, blacking out screen | Pulse generation (See waveform 2) | |||
G95-30 (CV-) - G96-4 (GND1) | B - LA | Rear television camera assembly ground | Always | Below 1 Ω |
G95-32 (CGND) - G96-4 (GND1) | R - LA | Rear television camera assembly ground | Always | Below 1 Ω |
G95-10 (LCV+) - G95-35 (LGND) | G - W | Side television camera assembly LH display signal input | Engine switch on (IG), panoramic view monitor main switch (integration control and panel assembly) on, camera lens not covered, displaying image | Pulse generation (See waveform 1) |
Engine switch on (IG), panoramic view monitor main switch (integration control and panel assembly) on, camera lens covered, blacking out screen | Pulse generation (See waveform 2) | |||
G95-12 (LCB+) - G95-35 (LGND) | B - W | Power source to side television camera assembly LH | Engine switch on (IG) | 5.5 to 7.05 V |
G95-34 (LCV-) - G96-4 (GND1) | R - LA | Side television camera assembly LH ground | Always | Below 1 Ω |
G95-35 (LGND) - G96-4 (GND1) | W - LA | Side television camera assembly LH ground | Always | Below 1 Ω |
G95-36 (BCV+) - G95-37 (BGND) | G - W | Front television camera assembly display signal input | Waveform 1: Engine switch on (IG), panoramic view monitor main switch (integration control and panel assembly) on, camera lens not covered, displaying image | Pulse generation (See waveform 1) |
Waveform 2: Engine switch on (IG), panoramic view monitor main switch (integration control and panel assembly) on, camera lens covered, blacking out screen | Pulse generation (See waveform 2) | |||
G95-15 (BCB+) - G95-37 (BGND) | B - W | Power source to front television camera | Engine switch on (IG) | 5.5 to 7.05 V |
G95-13 (BCV-) - G96-4 (GND1) | R - LA | Front television camera assembly ground | Always | Below 1 Ω |
G95-37 (BGND) - G96-4 (GND1) | W - LA | Front television camera assembly ground | Always | Below 1 Ω |
G95-38 (RCV+) - G95-17 (RGND) | G - W | Side television camera assembly RH display signal input | Waveform 1: Engine switch on (IG), panoramic view monitor main switch (integration control and panel assembly) on, camera lens not covered, displaying image | Pulse generation (See waveform 1) |
Waveform 2: Engine switch on (IG), panoramic view monitor main switch (integration control and panel assembly) on, camera lens covered, blacking out screen | Pulse generation (See waveform 2) | |||
G95-40 (RCB+) - G95-17 (RGND) | B - W | Power source to side television camera assembly RH | Engine switch on (IG) | 5.5 to 7.05 V |
G95-16 (RCV-) - G96-4 (GND1) | R - LA | Side television camera assembly RH ground | Always | Below 1 Ω |
G95-17 (RGND) - G96-4 (GND1) | W - LA | Side television camera assembly RH ground | Always | Below 1 Ω |
G96-9 (CA2H) | - | - | - | |
G96-10 (CA2L) | - | - | - | |
G96-11 (CANH) | - | - | - | |
G96-12 (CANL) | - | - | - |
Using an oscilloscope, check the waveform.
*a | Waveform 1 | *b | Waveform 2 |
*c | Synchronization Signal | *d | Video Waveform |
Waveform 1, 2
Item | Content |
---|---|
Terminal No. (Symbol) |
|
Tool Setting | 200 mV/DIV., 50 μsec./DIV. |
Condition |
|
Tech Tips
The video waveform changes according to the image sent by the television camera assembly.
The video waveform is constantly output when the engine switch is on (ACC).
REAR TELEVISION CAMERA ASSEMBLY
Disconnect the L85 rear television camera assembly connector.
Measure the voltage on the wire harness side connector according to the value(s) in the table below.
Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
---|---|---|---|---|
L85-6 (CB+) - Body ground | GR - Body ground | Power source | Engine switch on (ACC) | 10.5 to 16 V*1 11 to 14 V*2 |
*1: w/ Stop and Start System
*2: w/o Stop and Start System
If the result is not as specified, there may be a malfunction on the wire harness side.
Reconnect the L85 rear television camera assembly connector.
Measure the resistance and waveform according to the value(s) in the table below.
Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
---|---|---|---|---|
L85-3 (CV+) - L85-2 (CV-) | B - G | Video signal | Engine switch on (IG) with the camera lens of the rear television camera assembly not covered, displaying the panoramic image | Pulse generation (Refer to waveform 1) |
Engine switch on (IG) with the camera lens of the rear television camera assembly covered, blacking out the panoramic image | Pulse generation (Refer to waveform 2) |
|||
L85-5 (CGND) - Body ground | BR - Body ground | Shield ground | Always | Below 1 Ω |
Tech Tips
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.
*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 |
Reference (Oscilloscope waveform):
Tech Tips
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.
Waveform 1 (camera lens is not covered, displaying an image)
Item | Content |
---|---|
Measurement terminal | L85-3 (CV+) - L85-2 (CV-) |
Measurement setting | 200 mV/DIV., 50 μs./DIV. |
Condition | Panoramic view monitor system operating |
Tech Tips
The video waveform changes according to the image sent by the rear television camera assembly.
The video waveform is constantly output when the engine switch is on (ACC).
Waveform 2 (camera lens is covered, blacking out the screen)
Item | Content |
---|---|
Measurement terminal | L85-3 (CV+) - L85-2 (CV-) |
Measurement setting | 200 mV/DIV., 50 μs./DIV. |
Condition | Panoramic view monitor system operating |
Tech Tips
The video waveform changes according to the image sent by the rear television camera assembly.
The video waveform is constantly output when the engine switch is on (ACC).
RADIO RECEIVER ASSEMBLY (w/ Audio and Visual System )
RADIO RECEIVER ASSEMBLY (w/ Navigation System)