| Last Modified: 11-20-2023 | 6.11:8.1.0 | Doc ID: RM10000000152HV |
| Model Year Start: 2018 | Model: Camry HV | Prod Date Range: [07/2017 - ] |
| Title: LIGHTING (EXT): LIGHTING SYSTEM (w/o AFS): Back-up Light Circuit; 2018 - 2024 MY Camry HV [07/2017 - ] | ||
|
Back-up Light Circuit |
DESCRIPTION
The hybrid vehicle control ECU assembly controls the back-up lights via the BKUP LP relay.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
- Inspect the fuses for circuits related to this system before performing the following procedure.
-
Before replacing the hybrid vehicle control ECU assembly, refer to Registration.
Click here
![2018 - 2019 MY Camry HV [07/2017 - 09/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function): REGISTRATION](/t3Portal/stylegraphics/info.gif)
PROCEDURE
|
1. |
CHECK FOR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
(e) Check for DTCs.
Powertrain > Hybrid Control > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
Hybrid control system DTCs are not output |
A |
|
Hybrid control system DTCs are output |
B |
| B |
|
GO TO HYBRID CONTROL SYSTEM for NICKEL METAL HYDRIDE BATTERY: Click here
for LITHIUM-ION BATTERY: Click here
|
|
|
2. |
CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - BODY GROUND) |
(a) Disconnect the 3B instrument panel junction block assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
3B-3 - Body ground |
Always |
Below 1 Ω |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
3. |
CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY) |
(a) Disconnect the 3C instrument panel junction block assembly connector.
(b) Disconnect the A29 hybrid vehicle control ECU assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
A29-2 (BL) - 3C-19 |
Always |
Below 1 Ω |
|
A29-2 (BL) or 3C-19 - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
4. |
CHECK HYBRID VEHICLE CONTROL ECU ASSEMBLY (OUTPUT VOLTAGE) |
|
*a |
Component with harness connected (Instrument Panel Junction Block Assembly) |
(a) Connect the A29 hybrid vehicle control ECU assembly connector.
(b) Connect the 3B and 3C instrument panel junction block assembly connectors.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
3C-19 - Body ground |
Power switch off, shift lever not in R |
Below 1 V |
|
3C-19 - Body ground |
Power switch on (IG), shift lever in R |
11 to 14 V |
| NG |
|
REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY
|
|
|
5. |
INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (OUTPUT VOLTAGE) |
|
*a |
Component with harness connected (Instrument Panel Junction Block Assembly) |
(a) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
3D-10 - Body ground |
Power switch off, shift lever not in R |
Below 1 V |
|
3D-10 - Body ground |
Power switch on (IG), shift lever in R |
11 to 14 V |
| OK |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| NG |
|
REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
|
|
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