- Power switch on (IG)
- Intelligent clearance sonar system on
| Last Modified: 11-20-2023 | 6.11:8.1.0 | Doc ID: RM100000001ERS8 |
| Model Year Start: 2019 | Model: Camry HV | Prod Date Range: [09/2018 - 10/2020] |
| Title: PARK ASSIST / MONITORING: INTELLIGENT CLEARANCE SONAR SYSTEM: TERMINALS OF ECU; 2019 - 2020 MY Camry HV [09/2018 - 10/2020] | ||
TERMINALS OF ECU
CLEARANCE WARNING ECU ASSEMBLY
(a) Disconnect the R39 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 |
|---|---|---|---|---|
|
R39-1 (IG) - R39-30 (E) |
B - W-B |
IG power source signal |
Power switch off |
Below 1 V |
|
Power switch on (IG) |
11 to 14 V |
|||
|
R39-30 (E) - Body ground |
BR - Body ground |
Ground |
Always |
Below 1 Ω |
(c) Reconnect the R39 clearance warning ECU assembly connector.
(d) Measure the voltage and check for pulses according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
R39-4 (BOF) - R39-30 (E) |
R - W-B |
Power source for front sensor circuit |
Power switch off |
Below 1 V |
|
|
11 to 14 V |
|||
|
R39-6 (E5) - R39-30 (E) |
W - W-B |
Ground for front clearance sonar |
Always |
Below 1 Ω |
|
R39-8 (SOF) - R39-30 (E) |
L - W-B |
Front sensor communication signal (Front clearance sonar sensor) |
|
Pulse generation (Refer to waveform 1) |
|
R39-14 (CBZ) - R39-13 (EF) |
LG - L |
Clearance warning buzzer signal |
Buzzer sounding |
Pulse generation (Refer to waveform 2) |
|
R39-22 (BOR) - R39-30 (E) |
BE - W-B |
Power source for rear sensor circuit |
Power switch off |
Below 1 V |
|
11 to 14 V |
|||
|
R39-23 (E1) - R39-30 (E) |
GR - W-B |
Ground for rear clearance sonar |
Always |
Below 1 Ω |
|
R39-24 (SOR) - R39-30 (E) |
SB - W-B |
Rear sensor communication signal (Rear clearance sonar sensor) |
|
Pulse generation (Refer to waveform 3) |
(e) Using an oscilloscope, check waveform 1.
(1) Waveform 1 (Reference)
|
Item |
Content |
|---|---|
|
Measurement terminal |
R39-8 (SOF) - R39-30 (E) |
|
Measurement setting |
5 V/DIV., 1 ms./DIV. |
|
Condition |
|
(f) Using an oscilloscope, check waveform 2.
(1) Waveform 2 (Reference)
|
Item |
Content |
|---|---|
|
Measurement terminal |
R39-14 (CBZ) - R39-13 (EF) |
|
Measurement setting |
2 V/DIV., 500 μs./DIV. |
|
Condition |
Buzzer sounding |
HINT:
The amplitude of the waveform changes according to the set volume.
(g) Using an oscilloscope, check waveform 3.
(1) Waveform 3 (Reference)
|
Item |
Content |
|---|---|
|
Measurement terminal |
R39-24 (SOR) - R39-30 (E) |
|
Measurement setting |
5 V/DIV., 1 ms./DIV. |
|
Condition |
|
HYBRID VEHICLE CONTROL ECU ASSEMBLY
for NICKEL METAL HYDRIDE BATTERY: Click here
![2018 - 2019 MY Camry HV [07/2017 - 09/2019]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for NICKEL METAL HYDRIDE BATTERY): TERMINALS OF ECU](/t3Portal/stylegraphics/info.gif)
for LITHIUM-ION BATTERY: Click here
COMBINATION METER ASSEMBLY
Click here
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