Theft Deterrent System Engine Hood Courtesy Switch Circuit
Securities. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
READ VALUE USING INTELLIGENT TESTER (ENGINE HOOD COURTESY SWITCH)
INSPECT HOOD LOCK ASSEMBLY (ENGINE HOOD COURTESY SWITCH)
CHECK WIRE HARNESS (THEFT WARNING ECU - ENGINE HOOD COURTESY SWITCH)
CHECK WIRE HARNESS (HOOD COURTESY SWITCH - BODY GROUND)
THEFT DETERRENT SYSTEM - Engine Hood Courtesy Switch Circuit |
DESCRIPTION
The engine hood courtesy switch is built into the hood lock. This switch turns on when the engine hood is opened and turns off when the engine hood is closed.
WIRING DIAGRAM
INSPECTION PROCEDURE
1.READ VALUE USING INTELLIGENT TESTER (ENGINE HOOD COURTESY SWITCH) |
Check the Data List for proper functioning of the engine hood courtesy switch.
Theft warning ECU:Item
| Measurement Item / Display (Range)
| Normal Condition
| Diagnostic Note
|
Hood Courtesy SW
| Hood courtesy switch / ON or OFF
| ON: Engine hood is open OFF: Engine hood is closed
| -
|
- OK:
- On tester screen, item changes between ON and OFF according to above chart.
| PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE |
|
|
2.INSPECT HOOD LOCK ASSEMBLY (ENGINE HOOD COURTESY SWITCH) |
Disconnect the A60 switch connector.
Measure the resistance of the wire harness side connector.
- Standard resistance:
Tester Connection
| Condition
| Specified Condition
|
1 - 2
| Lock (OFF)
| 10 kΩ or higher
|
Unlock (ON)
| Below 1 Ω
|
| REPLACE HOOD LOCK ASSEMBLY (ENGINE HOOD COURTESY SWITCH) |
|
|
3.CHECK WIRE HARNESS (THEFT WARNING ECU - ENGINE HOOD COURTESY SWITCH) |
Disconnect the E83 ECU connector.
Disconnect the A60 switch connector.
Measure the resistance of the connectors.
- Standard resistance:
Tester Connection
| Specified Condition
|
E83-4 (DSWH) - A60-2
| Below 1 Ω
|
E83-4 (DSWH) - Body ground
| 10 kΩ or higher
|
| REPAIR OR REPLACE HARNESS AND CONNECTOR |
|
|
4.CHECK WIRE HARNESS (HOOD COURTESY SWITCH - BODY GROUND) |
Disconnect the A60 switch connector.
Measure the resistance of the wire harness side connector.
- Standard resistance:
Tester Connection
| Specified Condition
|
A60-1 - Body ground
| Below 1 Ω
|
| REPAIR OR REPLACE HARNESS AND CONNECTOR |
|
|
OK |
|
|
|
REPLACE THEFT WARNING ECU |
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