- Ignition switch ON
- Intuitive parking assist system on
| Last Modified: 01-30-2024 | 6.11:8.1.0 | Doc ID: RM100000001FO2D |
| Model Year Start: 2019 | Model: RAV4 | Prod Date Range: [11/2018 - 08/2020] |
| Title: PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM (w/o Parking Support Brake System): TERMINALS OF ECU; 2019 - 2020 MY RAV4 RAV4 HV [11/2018 - 08/2020] | ||
TERMINALS OF ECU
CLEARANCE WARNING ECU ASSEMBLY
(a) Disconnect the H4 clearance warning ECU assembly connector.
(b) Measure the voltage and resistance 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 |
|---|---|---|---|---|
|
H4-1 (IG) - H4-30 (E) |
B - W-B |
IG power source signal |
Ignition switch off |
Below 1 V |
|
Ignition switch ON |
11 to 14 V |
|||
|
H4-30 (E) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
(c) Reconnect the H4 clearance warning ECU assembly connector.
(d) Measure the voltage and resistance and check for pulse signals according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
| *: for 8 sensor Type | ||||
|
H4-4 (BOF) - H4-30 (E)* |
R - W-B |
Power source for front sensor circuit |
Ignition switch off |
Below 1 V |
|
|
7.2 to 8.8 V |
|||
|
H4-6 (E5) - H4-30 (E)* |
W - W-B |
Ground for front sensors |
Always |
Below 1 Ω |
|
H4-8 (SOF) - H4-30 (E)* |
L - W-B |
Front sensor communication signal (Front clearance sonar sensor) |
|
Pulse generation (See waveform 2) |
|
H4-14 (CBZ) - H4-13 (EF) |
LG - L |
No. 1 clearance warning buzzer signal |
Buzzer sounding |
Pulse generation (See waveform 1) |
|
H4-15 (BBZ) - H4-16 (ER)* |
LG - L |
No. 2 clearance warning buzzer signal |
Buzzer sounding |
Pulse generation (See waveform 1) |
|
H4-22 (BOR) - H4-30 (E) |
LG - W-B |
Power source for rear sensor circuit |
Ignition switch off |
Below 1 V |
|
7.2 to 8.8 V |
|||
|
H4-23 (E1) - H4-30 (E) |
GR - W-B |
Ground for rear sensors |
Always |
Below 1 Ω |
|
H4-24 (SOR) - H4-30 (E) |
SB - W-B |
Rear sensor communication signal (Rear clearance sonar sensor) |
|
Pulse generation (See waveform 3) |
(e) Using an oscilloscope, check waveform 1.
Measurement Condition
|
Item |
Content |
|---|---|
|
Terminal No. (Symbol) |
|
|
Tool Setting |
2 V/DIV., 500 μsec./DIV. |
|
Condition |
Buzzer sounding |
- *: for 8 Sensor Type
(f) Using an oscilloscope, check waveform 2.
Measurement Condition
|
Item |
Content |
|---|---|
|
Terminal No. (Symbol) |
H4-8 (SOF) - H4-30 (E)* |
|
Tool Setting |
5 V/DIV., 1 msec./DIV. |
|
Condition |
|
- *: for 8 Sensor Type
(g) Using an oscilloscope, check waveform 3.
Measurement Condition
|
Item |
Content |
|---|---|
|
Terminal No. (Symbol) |
H4-24 (SOR) - H4-30 (E) |
|
Tool Setting |
5 V/DIV., 1 msec./DIV. |
|
Condition |
|
|
|