Theft Deterrent System (W/ Entry And Start System) Engine Hood Courtesy Switch Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK CERTIFICATION ECU (VOLTAGE)
INSPECT ENGINE HOOD COURTESY SWITCH
CHECK HARNESS AND CONNECTOR (ENGINE HOOD COURTESY SWITCH - BODY GROUND)
CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - ENGINE HOOD COURTESY SWITCH)
THEFT DETERRENT SYSTEM (w/ Entry and Start System) - Engine Hood Courtesy Switch Circuit |
DESCRIPTION
The engine hood courtesy switch is installed together with the hood lock. This switch turns off when the engine hood is opened and turns on when the engine hood is closed.
WIRING DIAGRAM
INSPECTION PROCEDURE
1.CHECK CERTIFICATION ECU (VOLTAGE) |
Disconnect the A5 switch connector.
Measure the voltage according to the value(s) in the table below.
- Standard voltage:
Tester Connection
| Condition
| Specified Condition
|
A5-2 - Body ground
| Always
| 11 to 14 V
|
2.INSPECT ENGINE HOOD COURTESY SWITCH |
Remove the courtesy switch from the hood lock.
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection
| Switch Position
| Specified Condition
|
A5-1 - A5-2
| Free (ON)
| Below 1 Ω
|
Pushed (OFF)
| 10 kΩ or higher
|
3.CHECK HARNESS AND CONNECTOR (ENGINE HOOD COURTESY SWITCH - BODY GROUND) |
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection
| Condition
| Specified Condition
|
A5-1 - Body ground
| Always
| Below 1 Ω
|
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
4.CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - ENGINE HOOD COURTESY SWITCH) |
Disconnect the E75 ECU connector.
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection
| Condition
| Specified Condition
|
E75-24 (HSW) - A5-2
| Always
| Below 1 Ω
|
E75-24 (HSW) - Body ground
| Always
| 10 kΩ or higher
|
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
OK |
|
|
|
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
|