The engine hood courtesy switch is installed together with the hood lock. This switch turns on when the engine hood is closed and turns off when the engine hood is opened.
w/ Entry and Start System:
If the main body ECU (multiplex network body ECU) is replaced, refer to the Service Bulletin.
Connect the GTS to the DLC3.
Turn the ignition switch to ON.
Turn the GTS on.
Enter the following menus: Body Electrical / Main Body / Data List.
According to the display on the GTS, read the Data List.
| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Hood Courtesy SW | Engine hood courtesy switch | ON or OFF | ON: Engine hood open
OFF: Engine hood closed |
- |
| Tester Display |
|---|
| Hood Courtesy SW |
The indicator on the GTS switches between ON and OFF in accordance with the hood lock assembly (engine hood courtesy switch) status.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Disconnect the A11 hood lock assembly (engine hood courtesy switch) connector.
Disconnect the N19 main body ECU (multiplex network body ECU) connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| A11-1 - N19-30 (HCTY) | Always | Below 1 Ω |
| A11-2 - Body ground | Always | Below 1 Ω |
| A11-1 or N19-30 (HCTY) - Other terminals and body ground | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Remove the hood lock assembly (engine hood courtesy switch).
Inspect the hood lock assembly (engine hood courtesy switch).
| Proceed to |
|---|
| OK |
| NG |
OK
for LHD:
for RHD:
NG